Comparison of Radeon HD 7850 and Radeon R7 260X

Attribute	Radeon HD 7850 ×	Radeon R7 260X ×
GPU
Release year (year)	2012	2013
GPU brand	AMD	AMD
GPU name	Pitcairn PRO	Bonaire
Market	Desktop	Desktop
Clock speed (MHz)	860	1,100
Is dual GPU	-	-
Model	Radeon HD 7850	Radeon R7 260X
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	153.6	104
Memory bus (bit)	256	128
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,200	1,625
Effective memory clock speed (MHz)	4,800	6,500
Noise and power
TDP (W)	130	115
Load power consumption (W)	271	-
Idle power consumption (W)	107	-
Load noise level (dB)	46.7	-
Idle noise level (dB)	41.5	-
Raw performance
Pixel rate (GPixel/s)	27.52	17.6
Render output processors	32	16
Texture mapping units	64	56
Shading units	1,024	896
Floating-point performance (GFLOPS)	1,761	1,971
Compute units	16	14
Texture rate (GTexel/s)	55	61.6
Benchmarks
Crysis 3	35	-
Battlefield 4	-	8.2
Face detection (mPixels/s)	47.04	43.73
T-Rex (GFXBench 3.0)	3355.2	3357.58
Manhattan (GFXBench 3.0)	3466.99	3715.1
Bitcoin mining (mHash/s)	249.48	222.35
Sky Diver Factor	293.45	264.35
Thief	28	7.7
Fire Strike Factor	43.94	33.7