Comparison of Radeon HD 6970 and AMD Radeon HD

Attribute	Radeon HD 6970 ×	AMD Radeon HD - FirePro D300 Compute Engine ×
GPU
Release year (year)	2010	2014
GPU brand	AMD	AMD
GPU name	Cayman XT	Pitcairn
Market	Desktop	-
Clock speed (MHz)	880	850
Is dual GPU	-	-
Model	Radeon HD 6970	AMD Radeon HD - FirePro D300 Compute Engine
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	176	162.6
Memory bus (bit)	256	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,375	1,270
Effective memory clock speed (MHz)	5,500	5,080
Noise and power
TDP (W)	250	150
Load power consumption (W)	370	-
Idle power consumption (W)	120	-
Load noise level (dB)	53.2	-
Idle noise level (dB)	42.7	-
Raw performance
Pixel rate (GPixel/s)	28.16	27.2
Render output processors	32	32
Texture mapping units	96	80
Shading units	1,536	1,280
Floating-point performance (GFLOPS)	2,703	2,176
Compute units	24	20
Texture rate (GTexel/s)	84.48	68
Benchmarks
Battlefield 3	57	-
Particle simulation (mInteraction/s)	-	307
T-Rex (Compubench 1.5) (frames/s)	-	1
Video composition (frames/s)	-	70.69
Battlefield 4	90	-
Face detection (mPixels/s)	18.68	48.05
T-Rex (GFXBench 3.0)	3351.26	3351.76
Manhattan (GFXBench 3.0)	3706.33	3712.58
Bitcoin mining (mHash/s)	274.06	242.18
Sky Diver Factor	255.16	-
Fire Strike Factor	37.18	-
Ocean surface simulation (frames/s)	-	1192.55