Comparisons / Comparison of GeForce GTX 650 and Sapphire Radeon HD 7770

Comparison of GeForce GTX 650 and Sapphire Radeon HD 7770 [S]ave

Attribute
Sapphire Radeon HD 7770 ×
GeForce GTX 650 ×
GPU
Release year (year)20122012
Reference cardAMD Radeon HD 7770 GHz Edition 1 GHz 1 GBNvidia GeForce GTX 650 1.1 GHz 1 GB
GPU brandAMDNvidia
GPU nameCape Verde XTGK107
MarketDesktopDesktop
Clock speed (MHz)1,1501,058
Is dual GPU--
ModelSapphire Radeon HD 7770GeForce GTX 650
Memory
Memory (MB)1,0241,024
Memory bandwidth (GB/s)8080
Memory bus (bit)128128
Memory typeGDDR5GDDR5
Memory clock speed (MHz)1,2501,250
Effective memory clock speed (MHz)5,0005,000
Noise and power
TDP (W)8065
Load power consumption (W)242231
Idle power consumption (W)106104
Load noise level (dB)41.443.5
Idle noise level (dB)4043
Raw performance
Pixel rate (GPixel/s)18.48.46
SMX units-2
Render output processors1616
Texture mapping units4032
Shading units640384
Floating-point performance (GFLOPS)1,472812
Compute units10-
Texture rate (GTexel/s)4633.9
Benchmarks
FarCry 3-38.5
Crysis 348-
Bioshock Infinite-32.5
Battlefield 445-
Face detection (mPixels/s)32.4214.09
T-Rex (GFXBench 3.0)3355.143352.38
Manhattan (GFXBench 3.0)3701.573493.04
Bitcoin mining (mHash/s)153.6623.48
Sky Diver Factor221.64151.81
Fire Strike Factor30.6417.21



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