Comparison of GeForce GTX 670 and Radeon HD 6950

Attribute	GeForce GTX 670 ×	Radeon HD 6950 ×
GPU
Release year (year)	2012	2011
Reference card	-	AMD Radeon HD 6950 800 MHz 2 GB
GPU brand	Nvidia	AMD
GPU name	GK104	Cayman PRO
Market	Desktop	Desktop
Clock speed (MHz)	915	880
Turbo clock speed (MHz)	980	-
Is dual GPU	-	-
Model	GeForce GTX 670	Radeon HD 6950
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	192.3	166.4
Memory bus (bit)	256	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,502	1,300
Effective memory clock speed (MHz)	6,008	5,200
Noise and power
TDP (W)	170	200
Load power consumption (W)	330	326
Idle power consumption (W)	112	117
Load noise level (dB)	51.2	48.2
Idle noise level (dB)	42.5	42.7
Raw performance
Pixel rate (GPixel/s)	25.62	28.16
SMX units	7	-
Render output processors	32	32
Texture mapping units	112	88
Shading units	1,344	1,408
Floating-point performance (GFLOPS)	2,460	2,478
Compute units	-	22
Texture rate (GTexel/s)	102.5	77.44
Benchmarks
Metro: Last Light	-	7.5
Battlefield 3	-	30
Crysis 3	55	-
Battlefield 4	52	-
Face detection (mPixels/s)	42.55	17.01
T-Rex (GFXBench 3.0)	3358.68	3358.26
Manhattan (GFXBench 3.0)	3710.86	3714.44
Bitcoin mining (mHash/s)	97.36	251.55
Sky Diver Factor	357.04	242.26
Fire Strike Factor	56.13	35.2