Comparison of GeForce GTX 680 and Radeon R9 285

Attribute	GeForce GTX 680 ×	Radeon R9 285 ×
GPU
Release year (year)	2012	2014
Reference card	-	AMD Radeon R9 285 918 MHz 2 GB
GPU brand	Nvidia	AMD
GPU name	GK104	Tonga
Market	Desktop	Desktop
Clock speed (MHz)	1,006	918
Turbo clock speed (MHz)	1,058	1,000
Is dual GPU	-	-
Model	GeForce GTX 680	Radeon R9 285
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	192.3	176
Memory bus (bit)	256	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,502	1,375
Effective memory clock speed (MHz)	6,008	5,500
Noise and power
TDP (W)	195	190
Load power consumption (W)	356	-
Idle power consumption (W)	112	-
Load noise level (dB)	51.9	-
Idle noise level (dB)	38.5	-
Raw performance
Pixel rate (GPixel/s)	32.2	29.38
SMX units	8	-
Render output processors	32	32
Texture mapping units	128	112
Shading units	1,536	1,792
Floating-point performance (GFLOPS)	3,090	3,290
Compute units	-	28
Texture rate (GTexel/s)	128.8	102.8
Benchmarks
FarCry 3	-	35
Battlefield 4	64.3	-
Face detection (mPixels/s)	47.72	72.8
T-Rex (GFXBench 3.0)	3360.28	3355.84
Manhattan (GFXBench 3.0)	3719.86	3715.04
Bitcoin mining (mHash/s)	123.57	391.4
Sky Diver Factor	381.6	344.37
Thief	54.05	-
Fire Strike Factor	60.74	50.84
Ocean surface simulation (frames/s)	-	1474.63