Comparison of Radeon HD 7950 and AMD Radeon HD

Attribute	Radeon HD 7950 ×	AMD Radeon HD - FirePro D500 Compute Engine ×
GPU
Release year (year)	2012	2014
GPU brand	AMD	AMD
GPU name	Tahiti PRO	Tahiti
Market	Desktop	-
Clock speed (MHz)	800	725
Is dual GPU	-	-
Model	Radeon HD 7950	AMD Radeon HD - FirePro D500 Compute Engine
Memory
Memory (MB)	3,072	3,072
Memory bandwidth (GB/s)	240	243.8
Memory bus (bit)	384	384
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,250	1,270
Effective memory clock speed (MHz)	5,000	5,080
Noise and power
TDP (W)	200	274
Load power consumption (W)	321	-
Idle power consumption (W)	112	-
Load noise level (dB)	53.1	-
Idle noise level (dB)	40.7	-
Raw performance
Pixel rate (GPixel/s)	25.6	23.2
Render output processors	32	32
Texture mapping units	112	96
Shading units	1,792	1,536
Floating-point performance (GFLOPS)	2,867	2,227
Compute units	28	24
Texture rate (GTexel/s)	89.6	69.6
Benchmarks
Particle simulation (mInteraction/s)	-	423.04
T-Rex (Compubench 1.5) (frames/s)	-	4.57
Video composition (frames/s)	-	70.94
Crysis 3	45	-
Battlefield 4	33.5	-
Face detection (mPixels/s)	77.81	47.2
T-Rex (GFXBench 3.0)	3359.66	3349.52
Manhattan (GFXBench 3.0)	3712.14	3632.24
Bitcoin mining (mHash/s)	382.11	259.37
Sky Diver Factor	355.06	-
Fire Strike Factor	57.91	-
Ocean surface simulation (frames/s)	-	1045.53