Comparison of Sapphire Radeon HD 7770 and Radeon HD 7770

Attribute	Sapphire Radeon HD 7770 ×	Radeon HD 7770 ×
GPU
Release year (year)	2012	2012
Reference card	AMD Radeon HD 7770 GHz Edition 1 GHz 1 GB	-
GPU brand	AMD	AMD
GPU name	Cape Verde XT	Cape Verde XT
Market	Desktop	Desktop
Clock speed (MHz)	1,150	1,000
Is dual GPU	-	-
Model	Sapphire Radeon HD 7770	Radeon HD 7770
Memory
Memory (MB)	1,024	1,024
Memory bandwidth (GB/s)	80	72
Memory bus (bit)	128	128
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,250	1,125
Effective memory clock speed (MHz)	5,000	4,500
Noise and power
TDP (W)	80	80
Load power consumption (W)	242	242
Idle power consumption (W)	106	106
Load noise level (dB)	41.4	41.4
Idle noise level (dB)	40	40
Raw performance
Pixel rate (GPixel/s)	18.4	16
Render output processors	16	16
Texture mapping units	40	40
Shading units	640	640
Floating-point performance (GFLOPS)	1,472	1,280
Compute units	10	10
Texture rate (GTexel/s)	46	40
Benchmarks
Crysis 3	48	48
Battlefield 4	45	45
Face detection (mPixels/s)	32.42	32.42
T-Rex (GFXBench 3.0)	3355.14	3355.14
Manhattan (GFXBench 3.0)	3701.57	3701.57
Bitcoin mining (mHash/s)	153.66	153.66
Sky Diver Factor	221.64	221.64
Fire Strike Factor	30.64	30.64