Comparison of Radeon HD 7870 XT and GeForce GTX 660 Ti

Attribute	GeForce GTX 660 Ti ×	Radeon HD 7870 XT ×
GPU
Release year (year)	2012	2012
Reference card	Nvidia GeForce GTX 660 Ti 915 MHz 2 GB	-
GPU brand	Nvidia	AMD
GPU name	GK104	Tahiti LE
Market	Desktop	Desktop
Clock speed (MHz)	915	925
Turbo clock speed (MHz)	980	975
Is dual GPU	-	-
Model	GeForce GTX 660 Ti	Radeon HD 7870 XT
Memory
Memory (MB)	2,048	2,048
Memory bandwidth (GB/s)	144.2	192
Memory bus (bit)	192	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)	150	185
Load power consumption (W)	318	-
Idle power consumption (W)	111	-
Load noise level (dB)	47.9	-
Idle noise level (dB)	41.8	-
Raw performance
Pixel rate (GPixel/s)	25.62	31.2
SMX units	7	-
Render output processors	24	32
Texture mapping units	112	96
Shading units	1,344	1,536
Floating-point performance (GFLOPS)	2,460	2,995
Compute units	-	24
Texture rate (GTexel/s)	102.5	93.6
Benchmarks
Metro: Last Light	-	79.5
Battlefield 3	-	72
Battlefield 4	42	-
Face detection (mPixels/s)	35.9	65.4
T-Rex (GFXBench 3.0)	3356.32	3350.68
Manhattan (GFXBench 3.0)	3711.8	3705.76
Bitcoin mining (mHash/s)	102.46	345.79
Sky Diver Factor	334.44	314
Thief	40.9	-
Fire Strike Factor	49.97	47.56