Comparison of Radeon HD 5770 Engineering Sample and AMD Radeon HD

Attribute	AMD Radeon HD - FirePro D300 Compute Engine ×	Radeon HD 5770 Engineering Sample ×
GPU
Release year (year)	2014	2009
Reference card	-	ATi Radeon HD 5770 850 MHz 1 GB
GPU brand	AMD	ATI
GPU name	Pitcairn	Juniper
Market	-	Desktop
Clock speed (MHz)	850	850
Is dual GPU	-	-
Model	AMD Radeon HD - FirePro D300 Compute Engine	Radeon HD 5770 Engineering Sample
Memory
Memory (MB)	2,048	1,024
Memory bandwidth (GB/s)	162.6	76.8
Memory bus (bit)	256	128
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,270	1,200
Effective memory clock speed (MHz)	5,080	4,800
Noise and power
TDP (W)	150	108
Load power consumption (W)	-	258
Idle power consumption (W)	-	113
Load noise level (dB)	-	41
Idle noise level (dB)	-	40.4
Raw performance
Pixel rate (GPixel/s)	27.2	13.6
Render output processors	32	16
Texture mapping units	80	40
Shading units	1,280	800
Floating-point performance (GFLOPS)	2,176	1,360
Compute units	20	10
Texture rate (GTexel/s)	68	34
Benchmarks
Particle simulation (mInteraction/s)	307	-
T-Rex (Compubench 1.5) (frames/s)	1	-
Video composition (frames/s)	70.69	-
Crysis 3	-	40
Face detection (mPixels/s)	48.05	9.96
T-Rex (GFXBench 3.0)	3351.76	3353.2
Manhattan (GFXBench 3.0)	3712.58	3507.76
Bitcoin mining (mHash/s)	242.18	122.81
Sky Diver Factor	-	140.24
Fire Strike Factor	-	19.74
Ocean surface simulation (frames/s)	1192.55	461.22