Comparisons / Comparison of Radeon R9 M375 and GeForce GT 645M

Comparison of Radeon R9 M375 and GeForce GT 645M [S]ave

Attribute
Radeon R9 M375 ×
GeForce GT 645M ×
GPU
Release year (year)20152012
GPU brandAMDNvidia
GPU nameTropoGK107
MarketLaptopLaptop
Clock speed (MHz)1,000709
Turbo clock speed (MHz)1,015-
Is dual GPU--
ModelRadeon R9 M375GeForce GT 645M
Memory
Memory (MB)2,0482,048
Memory bandwidth (GB/s)28.828.8
Memory bus (bit)128128
Memory typeDDR3DDR3
Memory clock speed (MHz)900900
Effective memory clock speed (MHz)1,8001,800
Noise and power
TDP (W)-32
Raw performance
Pixel rate (GPixel/s)16.245.67
Render output processors1616
Texture mapping units4032
Shading units640384
Floating-point performance (GFLOPS)1,299544
Compute units10-
Texture rate (GTexel/s)40.622.69
Benchmarks
Particle simulation (mInteraction/s)193.47-
Crysis 3-7
Bioshock Infinite16.314.3
Battlefield 411.9-
Face detection (mPixels/s)29.058.49
T-Rex (GFXBench 3.0)1705.261859.4
Manhattan (GFXBench 3.0)3635.942708.22
Bitcoin mining (mHash/s)140.5319.12
Sky Diver Factor-118.77
Fire Strike Factor-14.91
Ocean surface simulation (frames/s)272.55-



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