CPU History Tour (2006 - 2010)

Published: 30th July 2026 (last update 30th July 2026 )

Next part of CPU benchmarking. This time up to First generation of Core i7 and Phenom II. There is significant overlap with the previous article - but this time measured in somewhat more modern SW. Also the game benchmarks are improved thanks to GeForce GTX 1080 - no CPU limit possible.

Introduction

After few years, another part of the series is ready. Compared to the previous article, methodology is somewhat improved, but still using Windows 7 x64. Other than standard benchmarks, applications and games, I also added advanced benchmarking of cache and memory subsystem using Chips and Cheese's benchmarks. Also I made new device for measuring power of the CPU. Besides regular power measuring in idle or load modes, this device also can measure consumed energy per task.

Tested Processors

	Athlon 64 LE-1640	Athlon X2 4850e	Athlon 64 X2 6400+	2 × Opteron 2224 SE	Athlon X2 7550	Athlon X2 7850 BE @ 3.2 GHz	Phenom X3 8600B	Phenom X4 9650	Phenom X4 9650 @ 3 GHz
Socket	Socket AM2	Socket AM2	Socket AM2	Socket F	Socket AM2+	Socket AM2+	Socket AM2+	Socket AM2+	Socket AM2+
Cores / Threads	1/1	2/2	2/2	4/4	2/2	2/2	3/3	4/4	4/4
Frequency	2600 MHz	2500 MHz	3200 MHz	3200 MHz	2500 MHz	3200 MHz	2300 MHz	2300 MHz	3000 MHz
Multiplier	13×	12.5×	16×	16×	12.5×	16×	11.5×	11.5×	11.5×
Bus Speed	2000 MHz / 32-bit	2000 MHz / 32-bit	2000 MHz / 32-bit	2000 MHz / 64-bit	3600 MHz / 32-bit	3600 MHz / 32-bit	3600 MHz / 32-bit	3600 MHz / 32-bit	3640 MHz / 32-bit
Bus Type	HT	HT	HT	HT	HT	HT	HT	HT	HT
Bus Bandwidth	8 GB/s	8 GB/s	8 GB/s	16 GB/s	14.4 GB/s	14.4 GB/s	14.4 GB/s	14.4 GB/s	14.5 GB/s
Architecture	K8	K8	K8	K8	K10	K10	K10	K10	K10
Code Name	Orleans	Brisbane	Windsor	Santa Rosa	Kuma	Kuma	Toliman	Agena	Agena
Technology	90 nm	65 nm	90 nm	90 nm	65 nm	65 nm	65 nm	65 nm	65 nm
Transistor Count	164 mil.	154 mil.	227 mil.	2 × 227 mil.	450 mil.	450 mil.	450 mil.	450 mil.	450 mil.
Die Size	144 mm²	118 mm²	230 mm²	2 × 230 mm²	285 mm²	285 mm²	285 mm²	285 mm²	285 mm²
Transistor Density	1.14 M / mm²	1.31 M / mm²	0.99 M / mm²	0.99 M / mm²	1.58 M / mm²	1.58 M / mm²	1.58 M / mm²	1.58 M / mm²	1.58 M / mm²
L1 Cache I / D	64 / 64 kB	2 × 64 / 64 kB	2 × 64 / 64 kB	4 × 64 / 64 kB	2 × 64 / 64 kB	2 × 64 / 64 kB	3 × 64 / 64 kB	4 × 64 / 64 kB	4 × 64 / 64 kB
L2 Cache	1024 kB	2 × 512 kB	2 × 1024 kB	4 × 1024 kB	2 × 512 kB	2 × 512 kB	3 × 512 kB	4 × 512 kB	4 × 512 kB
L3 Cache	-	-	-	-	2 MB / 1.8 GHz	2 MB / 2 GHz	2 MB / 1.8 GHz	2 MB / 1.8 GHz	2 MB / 1.8 GHz
RAM Capacity	8 GB	8 GB	8 GB	12 GB	8 GB	8 GB	8 GB	8 GB	8 GB
VRAM Type	DDR2	DDR2	DDR2	ECC Reg. DDR2	DDR2	DDR2	DDR2	DDR2	DDR2
RAM Speed	750 MHz / 128-bit	720 MHz / 128-bit	800 MHz / 128-bit	640 MHz / 256-bit	800 MHz / 128-bit	800 MHz / 128-bit	800 MHz / 128-bit	800 MHz / 128-bit	700 MHz / 128-bit
RAM Bandwidth	12 GB/s	11.5 GB/s	12.8 GB/s	20.5 GB/s	12.8 GB/s	12.8 GB/s	12.8 GB/s	12.8 GB/s	11.2 GB/s
Motherboard	Gigabyte MA-790X-UD3P	Gigabyte MA-790X-UD3P	Gigabyte MA-790X-UD3P	Tyan n3600M	Gigabyte MA-790X-UD3P	Gigabyte MA-790X-UD3P	Gigabyte MA-790X-UD3P	Gigabyte MA-790X-UD3P	Gigabyte MA-790X-UD3P
Chipset	AMD 790X	AMD 790X	AMD 790X	Nvidia nForce Pro	AMD 790X	AMD 790X	AMD 790X	AMD 790X	AMD 790X
TDP	45 W	45 W	125 W	2 × 119 W	95 W	95* W	95 W	95 W	130* W
Launch Date	7th January 2008	5th March 2008	20th August 2007	Q3 2007	15th December 2008	28th April 2009	15th August 2008	27th March 2008	27th March 2008
Launch Price	$53	-	$220	2 × $873	-	-	-	$215	$215

	2 × Opteron 2356	Sempron 140	Sempron 190	Athlon X2 5000+	Athlon II X2 260	Athlon II X4 640	Phenom II X2 550	Phenom II X2 550 @ 4 GHz	Phenom II X3 710
Socket	Socket F	Socket AM3	Socket AM3	Socket AM2+	Socket AM3	Socket AM3	Socket AM3	Socket AM3	Socket AM3
Cores / Threads	8/8	1/1	2/2	2/2	2/2	4/4	2/2	2/2	3/3
Frequency	2300 MHz	2700 MHz	2500 MHz	2200 MHz	3200 MHz	3000 MHz	3100 MHz	3960 MHz	2600 MHz
Multiplier	11.5×	13.5×	12.5×	11×	16×	15×	15.5×	14.5×	13×
Bus Speed	2000 MHz / 64-bit	4000 MHz / 32-bit	4000 MHz / 32-bit	2000 MHz / 32-bit	4000 MHz / 32-bit	4000 MHz / 32-bit	4000 MHz / 32-bit	3800 MHz / 32-bit	4000 MHz / 32-bit
Bus Type	HT	HT	HT	HT	HT	HT	HT	HT	HT
Bus Bandwidth	16 GB/s	16 GB/s	16 GB/s	8 GB/s	16 GB/s	16 GB/s	16 GB/s	15.2 GB/s	16 GB/s
Architecture	K10	K10	K10	K10	K10	K10	K10	K10	K10
Code Name	Barcelona	Sargas	Regor	Deneb	Regor	Propus	Deneb	Deneb	Deneb
Technology	65 nm	45 nm	45 nm	45 nm	45 nm	45 nm	45 nm	45 nm	45 nm
Transistor Count	2 × 450 mil.	234 mil.	234 mil.	758 mil.	234 mil.	300 mil.	758 mil.	758 mil.	758 mil.
Die Size	2 × 285 mm²	118 mm²	118 mm²	258 mm²	118 mm²	169 mm²	258 mm²	258 mm²	258 mm²
Transistor Density	1.58 M / mm²	1.98 M / mm²	1.98 M / mm²	2.94 M / mm²	1.98 M / mm²	1.78 M / mm²	2.94 M / mm²	2.94 M / mm²	2.94 M / mm²
L1 Cache I / D	8 × 64 / 64 kB	64 / 64 kB	2 × 64 / 64 kB	2 × 64 / 64 kB	2 × 64 / 64 kB	4 × 64 / 64 kB	2 × 64 / 64 kB	2 × 64 / 64 kB	3 × 64 / 64 kB
L2 Cache	8 × 512 kB	1024 kB	2 × 512 kB	2 × 512 kB	2 × 1024 kB	4 × 512 kB	2 × 512 kB	2 × 512 kB	3 × 512 kB
L3 Cache	2 × 2 MB / 1.8 GHz	-	-	-	-	-	6 MB / 2 GHz	6 MB / 2.7 GHz	6 MB / 2 GHz
RAM Capacity	12 GB	8 GB	8 GB	8 GB	8 GB	8 GB	8 GB	8 GB	8 GB
RAM Type	ECC Reg. DDR2	DDR3	DDR3	DDR2	DDR3	DDR3	DDR3	DDR2	DDR3
RAM Speed	666 MHz / 256-bit	1600 MHz / 128-bit	1600 MHz / 128-bit	800 MHz / 128-bit	1600 MHz / 128-bit	1600 MHz / 128-bit	1600 MHz / 128-bit	730 MHz / 128-bit	1600 MHz / 128-bit
RAM Bandwidth	21.3 GB/s	25.6 GB/s	25.6 GB/s	12.8 GB/s	25.6 GB/s	25.6 GB/s	25 GB/s	11.7 GB/s	25.6 GB/s
Motherboard	Tyan n3600M	Asus Crosshair III Formula	Asus Crosshair III Formula	Gigabyte MA-790X-UD3P	Asus Crosshair III Formula	Asus Crosshair III Formula	Asus Crosshair III Formula	Gigabyte MA-790X-UD3P	Asus Crosshair III Formula
Chipset	Nvidia nForce Pro	AMD 790FX	AMD 790FX	AMD 790X	AMD 790FX	AMD 790FX	AMD 790FX	AMD 790X	AMD 790FX
TDP	2 × 115 W	45 W	45 W	65 W	65 W	95 W	80 W	120* W	80 W
Launch Date	9th April 2008	22nd July 2009	Q3 2011	2009	11th May 2010	10th May 2010	4th November 2009	4th November 2009	9th February 2009
Launch Price	2 × $690	$36	-	-	$76	$122	-	-	$125

	Phenom II X4 940 BE	Phenom II X4 965 (DDR2)	Phenom II X4 965 (DDR3)	Phenom II X4 965 @ 4.2 GHz	Phenom II X6 1100T	Phenom II X6 1100T @ 4.1 GHz	Opteron 6140	Opteron 6170 @ 3 GHz	2 × Opteron 6176 SE
Socket	Socket AM2+	Socket AM2+	Socket AM3	Socket AM3	Socket AM3	Socket AM3	Socket G34	Socket G34	Socket G34
Cores / Threads	4/4	4/4	4/4	4/4	6/6	6/6	8/8	12/12	24/24
Frequency	3000 MHz	3400 MHz	3400 MHz	4200 MHz	3300 MHz	4100 MHz	2600 MHz	3000 MHz	2300 MHz
Multiplier	15×	17×	17×	21×	16.5×	20.5×	13×	15×	11.5×
Bus Speed	3600 MHz / 32-bit	3600 MHz / 32-bit	4000 MHz / 32-bit	5200 MHz / 32-bit	4000 MHz / 32-bit	5200 MHz / 32-bit	6400 MHz / 32-bit	6400 MHz / 32-bit	6400 MHz / 64-bit
Bus Type	HT	HT	HT	HT	HT	HT	HT	HT	HT
Bus Bandwidth	14 GB/s	14 GB/s	16 GB/s	20.8 GB/s	16 GB/s	20.8 GB/s	25.6 GB/s	25.6 GB/s	51.2 GB/s
Architecture	K10	K10	K10	K10	K10	K10	K10	K10	K10
Code Name	Deneb	Deneb	Deneb	Deneb	Thuban	Thuban	Magny-Cours	Magny-Cours	Magny-Cours
Technology	45 nm	45 nm	45 nm	45 nm	45 nm	45 nm	45 nm	45 nm	45 nm
Transistor Count	758 mil.	758 mil.	758 mil.	758 mil.	904 mil.	904 mil.	2 × 904 mil.	2 × 904 mil.	4 × 904 mil.
Die Size	258 mm²	258 mm²	258 mm²	258 mm²	346 mm²	346 mm²	2 × 346 mm²	2 × 346 mm²	4 × 346 mm²
Transistor Density	2.94 M / mm²	2.94 M / mm²	2.94 M / mm²	2.94 M / mm²	2.61 M / mm²	2.61 M / mm²	2.61 M / mm²	2.61 M / mm²	2.61 M / mm²
L1 Cache I / D	4 × 64 / 64 kB	4 × 64 / 64 kB	4 × 64 / 64 kB	4 × 64 / 64 kB	6 × 64 / 64 kB	6 × 64 / 64 kB	8 × 64 / 64 kB	12 × 64 / 64 kB	24 × 64 / 64 kB
L2 Cache	4 × 512 kB	4 × 512 kB	4 × 512 kB	4 × 512 kB	6 × 512 kB	6 × 512 kB	8 × 512 kB	12 × 512 kB	24 × 512 kB
L3 Cache	6 MB / 1.8 GHz	6 MB / 2 GHz	6 MB / 2 GHz	6 MB / 2.6 GHz	6 MB / 2 GHz	6 MB / 2.6 GHz	2 × 6 MB / 1.8 GHz	2 × 6 MB / 2.4 GHz	4 × 6 MB / 1.8 GHz
RAM Capacity	8 GB	8 GB	8 GB	8 GB	8 GB	8 GB	16 GB	16 GB	32 GB
RAM Type	DDR2	DDR2	DDR3	DDR3	DDR3	DDR3	DDR3	DDR3	DDR3
RAM Speed	800 MHz / 128-bit	800 MHz / 128-bit	1600 MHz / 128-bit	1600 MHz / 128-bit	1600 MHz / 128-bit	1600 MHz / 128-bit	1333 MHz / 256-bit	1333 MHz / 256-bit	1333 MHz / 512-bit
RAM Bandwidth	12.8 GB/s	12.8 GB/s	25.6 GB/s	25.6 GB/s	25.6 GB/s	25.6 GB/s	42.6 GB/s	42.6 GB/s	85.2 GB/s
Motherboard	Gigabyte MA-790X-UD3P	Gigabyte MA-790X-UD3P	Asus Crosshair III Formula	Asus Crosshair III Formula	Asus Crosshair III Formula	MSI 790FX-GD70	Asus KGPE-D16	Asus KGPE-D16	Asus KGPE-D16
Chipset	AMD 790X	AMD 790X	AMD 790FX	AMD 790FX	AMD 790FX	AMD 790FX	AMD SR5690	AMD SR5690	AMD SR5690
TDP	125 W	125 W	125 W	200* W	125 W	250* W	115 W	200* W	2 × 140 W
Launch Date	8th January 2009	4th November 2009	4th November 2009	4th November 2009	7th December 2010	7th December 2010	14th February 2011	29th March 2010	29th March 2010
Launch Price	$275	$195	$195	$195	$265	$265	$989	$989	2 × $1386

	Athlon 5350	Pentium EE 965 @ 4.2 GHz	Pentium E2200	Core 2 Extreme X6800	Core 2 Duo E6850	Core 2 Quad Q6600	Core 2 Extreme QX6850	2 × Xeon E5345	Pentium E5800
Socket	Socket AM1	Socket 775	Socket 775	Socket 775	Socket 775	Socket 775	Socket 775	Socket 771	Socket 775
Cores / Threads	4/4	2/4	2/2	2/2	2/2	4/4	4/4	8/8	2/2
Frequency	2050 MHz	4200 MHz	2200 MHz	2933 MHz	3000 MHz	2400 MHz	3000 MHz	2333 MHz	3200 MHz
Multiplier	20.5×	12×	11×	11×	9×	9×	9×	7×	16×
Bus Speed	-	1400 MHz / 64-bit	800 MHz / 64-bit	1066 MHz / 64-bit	1333 MHz / 64-bit	1066 MHz / 64-bit	1333 MHz / 64-bit	1333 MHz / 128-bit	800 MHz / 64-bit
Bus Type	SOC	QDR	QDR	QDR	QDR	QDR	QDR	QDR	QDR
Bus Bandwidth	-	11.2 GB/s	6.4 GB/s	8.5 GB/s	10.7 GB/s	8.5 GB/s	10.7 GB/s	21.3 GB/s	6.4 GB/s
Architecture	16h	Netburst	Core 2	Core 2	Core 2	Core 2	Core 2	Core 2	Core 2
Code Name	Kabini	Presler	Conroe-1M	Conroe	Conroe	Kentsfield	Kentsfield	Clovertown	Wolfdale-3M
Technology	28 nm	65 nm	65 nm	65 nm	65 nm	65 nm	65 nm	65 nm	45 nm
ransistor Count	914 mil.	376 mil.	105 mil.	291 mil.	291 mil.	2 × 291 mil.	2 × 291 mil.	4 × 291 mil.	228 mil.
Die Size	105 mm²	162 mm²	77 mm²	143 mm²	143 mm²	2 × 143 mm²	2 × 143 mm²	4 × 143 mm²	82 mm²
Transistor Density	8.7 M / mm²	2.32 M / mm²	1.36 M / mm²	2.03 M / mm²	2.03 M / mm²	2.03 M / mm²	2.03 M / mm²	2.03 M / mm²	2.78 M / mm²
L1 Cache I / D	4 × 32 / 32 kB	2 × 16 / 12 kB	2 × 32 / 32 kB	2 × 32 / 32 kB	2 × 32 / 32 kB	4 × 32 / 32 kB	4 × 32 / 32 kB	8 × 32 / 32 kB	2 × 32 / 32 kB
L2 Cache	2048 kB	2 × 2048 kB	1024 kB	4096 kB	4096 kB	2 × 4096 kB	2 × 4096 kB	4 × 4096 kB	3072 kB
L3 Cache	-	-	-	-	-	-	-	-	-
RAM Capacity	8 GB	8 GB	8 GB	8 GB	8 GB	8 GB	8 GB	16 GB	8 GB
RAM Type	DDR3	DDR2	DDR2	DDR2	DDR2	DDR2	DDR2	FB-DDR2	DDR2
RAM Speed	1600 MHz / 64-bit	700 MHz / 128-bit	800 MHz / 128-bit	1066 MHz / 128-bit	1066 MHz / 128-bit	1066 MHz / 128-bit	1066 MHz / 128-bit	667 MHz / 256-bit	800 MHz / 128-bit
RAM Bandwidth	12.8 GB/s	11.2 GB/s	12.8 GB/s	17 GB/s	17 GB/s	17 GB/s	17 GB/s	21.3 GB/s	12.8 GB/s
Motherboard	Asus AM1I-A	Gigabyte GA-P35-DS3	Asus P5Q-E	Asus P5Q-E	Asus P5Q-E	Asus P5Q-E	Asus P5Q-E	Intel S5000PSL	Asus P5Q-E
Chipset	-	Intel P35	Intel P45	Intel P45	Intel P45	Intel P45	Intel P45	Intel 5000P	Intel P45
TDP	25 W	200* W	65 W	75 W	65 W	95 W	130 W	2 × 80 W	65 W
Launch Date	9th April 2014	2006	2nd December 2007	27th July 2006	16th July 2007	8th January 2007	16th July 2007	14th November 2006	28th November 2008
Launch Price	$55	-	-	$999	$266	$851	$999	2 × $851	$75

	Core 2 Duo E7200	Core 2 Duo E8400	Core 2 Duo E8600 @ 3.8 GHz	Core 2 Quad Q9400	Core 2 Quad Q9450	Core 2 Extreme QX9770 (DDR2)	Core 2 Extreme QX9770 (DDR3)	Xeon X5450 @ 4.1 GHz	2 × Xeon X5450
Socket	Socket 775	Socket 775	Socket 775	Socket 775	Socket 775	Socket 775	Socket 775	Socket 775	Socket 771
Cores / Threads	2/2	2/2	2/2	4/4	4/4	4/4	4/4	4/4	8/8
Frequency	2533 MHz	3000 MHz	3800 MHz	2666 MHz	2666 MHz	3200 MHz	3200 MHz	4100 MHz	3000 MHz
Multiplier	9.5×	9×	9×	8×	8×	8×	8×	9×	9×
Bus Speed	1066 MHz / 64-bit	1333 MHz / 64-bit	1520 MHz / 64-bit	1333 MHz / 64-bit	1333 MHz / 64-bit	1600 MHz / 64-bit	1600 MHz / 64-bit	1824 MHz / 64-bit	1333 MHz / 128-bit
Bus Type	QDR	QDR	QDR	QDR	QDR	QDR	QDR	QDR	QDR
Bus Bandwidth	8.5 GB/s	10.7 GB/s	12.2 GB/s	10.7 GB/s	10.7 GB/s	12.8 GB/s	12.8 GB/s	14.6 GB/s	21.3 GB/s
Architecture	Core 2	Core 2	Core 2	Core 2	Core 2	Core 2	Core 2	Core 2	Core 2
Code Name	Wolfdale-3M	Wolfdale	Wolfdale	Yorkfield	Yorkfield	Yorkfield	Yorkfield	Yorkfield	Harpertown
Technology	45 nm	45 nm	45 nm	45 nm	45 nm	45 nm	45 nm	45 nm	45 nm
Transistor Count	228 mil.	410 mil.	410 mil.	2 × 228 mil.	2 × 410 mil.	2 × 410 mil.	2 × 410 mil.	2 × 410 mil.	4 × 410 mil.
Die Size	82 mm²	107 mm²	107 mm²	2 × 82 mm²	2 × 107 mm²	2 × 107 mm²	2 × 107 mm²	2 × 107 mm²	4 × 107 mm²
Transistor Density	2.78 M / mm²	3.83 M / mm²	3.83 M / mm²	2.78 M / mm²	3.83 M / mm²	3.83 M / mm²	3.83 M / mm²	3.83 M / mm²	3.83 M / mm²
L1 Cache I / D	2 × 32 / 32 kB	2 × 32 / 32 kB	2 × 32 / 32 kB	4 × 32 / 32 kB	4 × 32 / 32 kB	4 × 32 / 32 kB	4 × 32 / 32 kB	4 × 32 / 32 kB	8 × 32 / 32 kB
L2 Cache	3072 kB	6144 kB	6144 kB	2 × 3172 kB	2 × 6144 kB	2 × 6144 kB	2 × 6144 kB	2 × 6144 kB	4 × 6144 kB
L3 Cache	-	-	-	-	-	-	-	-	-
RAM Capacity	8 GB	8 GB	8 GB	8 GB	8 GB	8 GB	8 GB	8 GB	16 GB
RAM Type	DDR2	DDR2	DDR2	DDR2	DDR2	DDR2	DDR3	DDR2	FB-DDR2
RAM Speed	1066 MHz / 128-bit	1066 MHz / 128-bit	760 MHz / 128-bit	1066 MHz / 128-bit	1066 MHz / 128-bit	1066 MHz / 128-bit	1600 MHz / 128-bit	912 MHz / 128-bit	667 MHz / 256-bit
RAM Bandwidth	17 GB/s	17 GB/s	12.2 GB/s	17 GB/s	17 GB/s	17 GB/s	25.6 GB/s	14.6 GB/s	21.3 GB/s
Motherboard	Asus P5Q-E	Asus P5Q-E	Asus P5WDG2 WS-Pro	Asus P5Q-E	Asus P5Q-E	Asus P5Q-E	Asus P5E3 Pro	Gigabyte GA-P35-DS3	Intel S5000PSL
Chipset	Intel P45	Intel P45	Intel 975X	Intel P45	Intel P45	Intel P45	Intel X48	Intel P35	Intel 5000P
TDP	65 W	65 W	65* W	95 W	95 W	136 W	136 W	150* W	2 × 120 W
Launch Date	20th April 2008	7th January 2008	10th August 2008	10th August 2008	7th January 2008	March 2008	March 2008	12th November 2007	12th November 2007
Launch Price	$133	$183	$266	$266	$316	-	-	$851	2 × $851

	Xeon E5502 @ 3 GHz	Core i7-920	Core i7-975XE	Core i7-980X	Xeon X5687 @ 4.5 GHz	2 × Xeon E5504	2 × Xeon X5560	2 × Xeon X5660	Core i3-530
Socket	Socket 1366	Socket 1366	Socket 1366	Socket 1366	Socket 1366	Socket 1366	Socket 1366	Socket 1366	Socket 1156
Cores / Threads	2/2	4/8	4/8	6/12	4/8	8/8	8/16	12/24	2/4
Frequency	3000 MHz	2800 MHz	3466 MHz	3466 MHz	4500 MHz	2000 MHz	2933 MHz	2933 MHz	2933 MHz
Multiplier	14×	20×	26×	26×	27×	15×	22×	22×	22×
Bus Speed	7333 MHz / 32-bit	6400 MHz / 32-bit	6400 MHz / 32-bit	6400 MHz / 32-bit	6030 MHz / 32-bit	4800 MHz / 64-bit	6400 MHz / 64-bit	6400 MHz / 64-bit	133 MHz
Bus Type	QPI	QPI	QPI	QPI	QPI	QPI	QPI	QPI	DMI
Bus Bandwidth	30.9 GB/s	25.6 GB/s	25.6 GB/s	25.6 GB/s	24.1 GB/s	38.4 GB/s	51.2 GB/s	51.2 GB/s
Architecture	Nehalem	Nehalem	Nehalem	Nehalem	Nehalem	Nehalem	Nehalem	Nehalem	Nehalem
Code Name	Nehalem-EP	Bloomfield	Bloomfield	Gulftown	Westmere-EP	Nehalem-EP	Nehalem-EP	Westmere-EP	Clarkdale
Technology	45 nm	45 nm	45 nm	32 nm	32 nm	45 nm	45 nm	32 nm	32 + 45 nm
Transistor Count	731 mil.	731 mil.	731 mil.	1170 mil.	1170 mil.	2 × 731 mil.	2 × 731 mil.	2 × 1170 mil.	382 + 177 mil.
Die Size	263 mm²	263 mm²	263 mm²	240 mm²	240 mm²	2 × 263 mm²	2 × 263 mm²	2 × 240 mm²	81 + 114 mm²
Transistor Density	2.78 M / mm²	2.78 M / mm²	2.78 M / mm²	4.88 M / mm²	4.88 M / mm²	2.78 M / mm²	2.78 M / mm²	4.87 M / mm²	2.87 M / mm²
L1 Cache I / D	2 × 32 / 32 kB	4 × 32 / 32 kB	4 × 32 / 32 kB	6 × 32 / 32 kB	6 × 32 / 32 kB	8 × 32 / 32 kB	8 × 32 / 32 kB	12 × 32 / 32 kB	2 × 32 / 32 kB
L2 Cache	2 × 256 kB	4 × 256 kB	4 × 256 kB	6 × 256 kB	6 × 256 kB	8 × 256 kB	8 × 256 kB	12 × 256 kB	2 × 256 kB
L3 Cache	4 MB / 2.6 GHz	8 MB / 2.26 GHz	8 MB / 2.66 GHz	12 MB / 2.8 GHz	12 MB / 3.7 GHz	2 × 4 MB / 1.6 GHz	2 × 8 MB / 2.66 GHz	2 × 12 MB / 2.66 GHz	4 MB / 2.13 GHz
RAM Capacity	12 GB	12 GB	12 GB	12 GB	12 GB	24 GB	24 GB	24 GB	8 GB
RAM Type	DDR3	DDR3	DDR3	DDR3	DDR3	DDR3	DDR3	DDR3	DDR3
RAM Speed	1300 MHz / 192-bit	1066 MHz / 192-bit	1333 MHz / 192-bit	1333 MHz / 192-bit	1675 MHz / 192-bit	800 MHz / 384-bit	1333 MHz / 384-bit	1333 MHz / 384-bit	1333 MHz / 128-bit
RAM Bandwidth	31.2 GB/s	25.6 GB/s	32 GB/s	32 GB/s	40.2 GB/s	38.4 GB/s	64 GB/s	62 GB/s	21.3 GB/s
Motherboard	Asus Rampage III Extreme	Asus Rampage III Extreme	Asus Rampage III Extreme	Asus Rampage III Extreme	Asus Rampage III Extreme	Tyan S7002-LE	Tyan S7002-LE	Tyan S7002-LE	Gigabyte GA-H55M-UD2H
Chipset	Intel X58	Intel X58	Intel X58	Intel X58	Intel X58	Intel 5500	Intel 5500	Intel 5500	Intel H55
TDP	65* W	130 W	130 W	130 W	150* W	2 × 80 W	2 × 95 W	2 x 95 W	73 W
Launch Date	30th March 2009	17th November 2008	2nd June 2009	16th March 2010	13th February 2011	30th March 2009	30th March 2009	16th March 2010	7th January 2010
Launch Price	$188	$284	$999	$999	$1663	2 × $224	2 × $1172	2 × $1219	$113

	Core i5-750	Core i5-750 @ 4 GHz	Celeron G470
Socket	Socket 1156	Socket 1156	Socket 1155
Cores / Threads	4/4	4/4	1/2
Frequency	2800 MHz	4000 MHz	2000 MHz
Multiplier	21×	20×	20×
Bus Speed	133 MHz	200 MHz	100 MHz
Bus Type	DMI	DMI	DMI
Bus Bandwidth
Architecture	Nehalem	Nehalem	Nehalem
Code Name	Lynfield	Lynfield	Sandy Bridge
Technology	45 nm	45 nm	32 nm
Transistor Count	774 mil.	774 mil.	504 mil.
Die Size	296 mm²	296 mm²	131 mm²
Transistor Density	2.61 M / mm²	2.61 M / mm²	3.84 M / mm²
L1 Cache I / D	4 × 32 / 32 kB	4 × 32 / 32 kB	32 / 32 kB
L2 Cache	4 × 256 kB	4 × 256 kB	256 kB
L3 Cache	8 MB / 2.13 GHz	8 MB / 3.2 GHz	1.5 MB / 2 GHz
RAM Capacity	8 GB	8 GB	8 GB
RAM Type	DDR3	DDR3	DDR3
RAM Speed	1333 MHz / 128-bit	1600 MHz / 128-bit	1600 MHz / 128-bit
RAM Bandwidth	21.3 GB/s	25.6 GB/s	25.6 GB/s
Motherboard	Gigabyte GA-H55M-UD2H	Gigabyte GA-H55M-UD2H	Asus P8P67-LE
Chipset	Intel H55	Intel H55	Intel P67
TDP	95 W	150* W	35 W
Launch Date	8th September 2009	8th September 2009	9th June 2013
Launch Price	$196	$196	$37

Note: values marked with * are estimated. Official information is either unavailable or these are overclocked units.