Comparison of Mobility Radeon HD 5850 and Radeon HD 5770 Engineering Sample

Attribute	Radeon HD 5770 Engineering Sample ×	Mobility Radeon HD 5850 ×
GPU
Release year (year)	2009	2010
Reference card	ATi Radeon HD 5770 850 MHz 1 GB	-
GPU brand	ATI	ATI
GPU name	Juniper	Broadway
Market	Desktop	Laptop
Clock speed (MHz)	850	500
Is dual GPU	-	-
Model	Radeon HD 5770 Engineering Sample	Mobility Radeon HD 5850
Memory
Memory (MB)	1,024	1,024
Memory bandwidth (GB/s)	76.8	64
Memory bus (bit)	128	128
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,200	1,000
Effective memory clock speed (MHz)	4,800	4,000
Noise and power
TDP (W)	108	30
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)	13.6	8
Render output processors	16	16
Texture mapping units	40	40
Shading units	800	800
Floating-point performance (GFLOPS)	1,360	800
Compute units	10	10
Texture rate (GTexel/s)	34	20
Benchmarks
Crysis 3	40	-
Cloud Gate Factor	-	11.08
Face detection (mPixels/s)	9.96	7.46
T-Rex (GFXBench 3.0)	3353.2	3357.44
Manhattan (GFXBench 3.0)	3507.76	3314.41
Bitcoin mining (mHash/s)	122.81	83.63
Sky Diver Factor	140.24	106.58
Fire Strike Factor	19.74	11.97
Ocean surface simulation (frames/s)	461.22	512.08