Comparison of Sapphire Radeon HD 6670 and Radeon HD 7670

Attribute	Radeon HD 7670 ×	Sapphire Radeon HD 6670 ×
GPU
Release year (year)	2012	2011
Reference card	AMD Radeon HD 7670 OEM 800 MHz 512 MB	AMD Radeon HD 6670 800 MHz 1 GB
GPU brand	AMD	AMD
GPU name	Turks XT	Turks XT
Market	Desktop	Desktop
Clock speed (MHz)	800	800
Is dual GPU	-	-
Model	Radeon HD 7670	Sapphire Radeon HD 6670
Memory
Memory (MB)	1,024	1,024
Memory bandwidth (GB/s)	64	64
Memory bus (bit)	128	128
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,000	1,000
Effective memory clock speed (MHz)	4,000	4,000
Noise and power
TDP (W)	66	66
Load power consumption (W)	-	220
Idle power consumption (W)	-	106
Raw performance
Pixel rate (GPixel/s)	6.4	6.4
Render output processors	8	8
Texture mapping units	24	24
Shading units	480	480
Floating-point performance (GFLOPS)	768	768
Compute units	6	6
Texture rate (GTexel/s)	19.2	19.2
Benchmarks
Metro: Last Light	-	30
T-Rex (Compubench 1.5) (frames/s)	0.46	-
Bioshock Infinite	-	33
Face detection (mPixels/s)	7.27	5.23
T-Rex (GFXBench 3.0)	3357.56	3356.86
Manhattan (GFXBench 3.0)	3259.53	2774.23
Bitcoin mining (mHash/s)	71.83	38.55
Sky Diver Factor	89.13	88.99
Fire Strike Factor	-	10.55