NVIDIA GeForce GTX 675MX Mac Edition vs NVIDIA GeForce GTX 660

What is the difference between NVIDIA GeForce GTX 675MX Mac Edition and NVIDIA GeForce GTX 660. Find out which graphics card has better performance.

Graphics Processor (GPU)

GK104GPU NameGK106
N13E-GSR-A2Model numberGK106-400-A1
KeplerArchitectureKepler
TSMCFoundryTSMC
28 nmProcess Size28 nm
3,540 millionTransistors2,540 million
294 mm²Die Size221 mm²

Graphics Card

Apr 1st, 2013Release DateSep 6th, 2012
GeForce 600MFamilyGeForce 600
End-of-lifeProductionEnd-of-life
GeForce 500MPredecessorGeForce 500
PCIe 3.0 x16Bus InterfacePCIe 3.0 x16

Memory

1024 MBMemory Size2 GB
GDDR5Memory TypeGDDR5
256 bitMemory Bus192 bit
160.0 GB/sBandwidth144.2 GB/s

Performance

20.13 GPixel/sPixel fillrate20.64 GPixel/s
80.53 GTexel/sTexture fillrate82.56 GTexel/s
1.933 TFLOPSFP32 (float) performance1.981 TFLOPS
80.53 GFLOPS (1:24)FP64 (double) performance82.56 GFLOPS (1:24)

Clock Speeds

1250 MHz
5 Gbps effective
Memory Clock1502 MHz
6 Gbps effective

Render Config

1344Shading Units960
112TMUs80
32ROPs24
16 KB (per SMX)L1 Cache16 KB (per SMX)
512 KBL2 Cache384 KB

Board Design

100 WThermal design power (TDP)140 W
No outputsDisplay Connectors2x DVI
1x HDMI
1x DisplayPort

API support

12 (11_0)DirectX12 (11_0)
4.6OpenGL4.6
3.0OpenCL3.0
1.1Vulkan1.1
5.1Shader Model5.1
3.0CUDA3.0