Comparison of GeForce GTX 680 and Radeon R9 270X

Attribute	GeForce GTX 680 ×	Radeon R9 270X ×
GPU
Release year (year)	2012	2013
Reference card	-	AMD Radeon R9 270X 1 GHz 2 GB
GPU brand	Nvidia	AMD
GPU name	GK104	Curacao
Market	Desktop	Desktop
Clock speed (MHz)	1,006	1,100
Turbo clock speed (MHz)	1,058	1,150
Is dual GPU	-	-
Model	GeForce GTX 680	Radeon R9 270X
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	192.3	192
Memory bus (bit)	256	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,502	1,500
Effective memory clock speed (MHz)	6,008	6,000
Noise and power
TDP (W)	195	180
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	36.8
SMX units	8	-
Render output processors	32	32
Texture mapping units	128	80
Shading units	1,536	1,280
Floating-point performance (GFLOPS)	3,090	2,944
Compute units	-	20
Texture rate (GTexel/s)	128.8	92
Benchmarks
Battlefield 3	-	65
Dirt3	-	84
Battlefield 4	64.3	-
Face detection (mPixels/s)	47.72	57.24
T-Rex (GFXBench 3.0)	3360.28	3353.98
Manhattan (GFXBench 3.0)	3719.86	3713.26
Bitcoin mining (mHash/s)	123.57	251.26
Sky Diver Factor	381.6	338.41
Thief	54.05	-
Fire Strike Factor	60.74	51.83