NVIDIA GeForce GTX 675M vs NVIDIA GeForce GTX 645 OEM

What is the difference between NVIDIA GeForce GTX 675M and NVIDIA GeForce GTX 645 OEM. Find out which graphics card has better performance.

Graphics Processor (GPU)

GF114GPU NameGK106
N13E-GS1-A1Model numberGK106-200-A1
Fermi 2.0ArchitectureKepler
TSMCFoundryTSMC
40 nmProcess Size28 nm
1,950 millionTransistors2,540 million
332 mm²Die Size221 mm²

Graphics Card

Mar 22nd, 2012Release DateApr 22nd, 2013
GeForce 600MFamilyGeForce 600
End-of-lifeProductionEnd-of-life
GeForce 500MPredecessorGeForce 500
MXM-B (3.0)Bus InterfacePCIe 3.0 x16

Memory

2 GBMemory Size1024 MB
GDDR5Memory TypeGDDR5
256 bitMemory Bus128 bit
96.00 GB/sBandwidth64.00 GB/s

Performance

9.920 GPixel/sPixel fillrate9.888 GPixel/s
39.68 GTexel/sTexture fillrate39.55 GTexel/s
952.3 GFLOPSFP32 (float) performance949.2 GFLOPS
79.36 GFLOPS (1:12)FP64 (double) performance39.55 GFLOPS (1:24)

Clock Speeds

750 MHz
3 Gbps effective
Memory Clock1000 MHz
4 Gbps effective
620 MHzGPU Clock824 MHz

Render Config

384Shading Units576
64TMUs48
32ROPs16
64 KB (per SM)L1 Cache16 KB (per SMX)
512 KBL2 Cache256 KB

Board Design

MXM ModuleSlot WidthSingle-slot
100 WThermal design power (TDP)65 W
No outputsDisplay Connectors1x DVI
1x HDMI
1x DisplayPort

API support

12 (11_0)DirectX12 (11_0)
4.6OpenGL4.6
1.1OpenCL3.0
N/AVulkan1.1
5.1Shader Model5.1
2.1CUDA3.0