Comparison of Radeon R9 280X and Radeon HD 5970 Protoype A1

Attribute	Radeon R9 280X ×	Radeon HD 5970 Protoype A1 ×
GPU
Release year (year)	2013	2009
Reference card	AMD Radeon R9 280X 850 MHz 3 GB	ATi Radeon HD 5970 725 MHz 2 GB
GPU brand	AMD	ATI
GPU name	Tahiti	Hemlock
Market	Desktop	Desktop
Clock speed (MHz)	850	725
Turbo clock speed (MHz)	1,000	-
Is dual GPU	-	+
Model	Radeon R9 280X	Radeon HD 5970 Protoype A1
Memory
Memory (MB)	3,072	2,048
Memory bandwidth (GB/s)	288	256
Memory bus (bit)	384	512
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,500	1,000
Effective memory clock speed (MHz)	6,000	4,000
Noise and power
TDP (W)	250	294
Load power consumption (W)	-	439
Idle power consumption (W)	-	138
Load noise level (dB)	-	58.9
Idle noise level (dB)	-	42.8
Raw performance
Pixel rate (GPixel/s)	32	46.4
Render output processors	32	64
Texture mapping units	128	160
Shading units	2,048	3,200
Floating-point performance (GFLOPS)	4,096	4,640
Compute units	32	40
Texture rate (GTexel/s)	128	116
Benchmarks
PassMark	-	2,599
Battleforge (fps)	-	93.3
Hawx (fps)	-	155
Cloud Gate Factor	-	19.66
Battlefield 4	39.9	-
Face detection (mPixels/s)	95.62	-
T-Rex (GFXBench 3.0)	3356.04	3213.45
Manhattan (GFXBench 3.0)	3709.16	3454.16
Bitcoin mining (mHash/s)	468.39	-
Sky Diver Factor	380.99	229.17
Thief	33.6	-
Fire Strike Factor	62.73	33.32