NVIDIA GeForce 825M vs NVIDIA GeForce GTX 660M Mac Edition

What is the difference between NVIDIA GeForce 825M and NVIDIA GeForce GTX 660M Mac Edition. Find out which graphics card has better performance.

Graphics Processor (GPU)

GK208GPU NameGK107
Kepler 2.0ArchitectureKepler
TSMCFoundryTSMC
28 nmProcess Size28 nm
1,020 millionTransistors1,270 million
87 mm²Die Size118 mm²

Graphics Card

Jan 27th, 2014Release DateApr 1st, 2013
GeForce 800MFamilyGeForce 600M
End-of-lifeProductionEnd-of-life
GeForce 700MPredecessorGeForce 500M
PCIe 3.0 x8Bus InterfaceMXM-B (3.0)

Memory

1024 MBMemory Size512 MB
DDR3Memory TypeGDDR5
64 bitMemory Bus128 bit
14.40 GB/sBandwidth80.00 GB/s

Performance

7.528 GPixel/sPixel fillrate7.600 GPixel/s
30.11 GTexel/sTexture fillrate30.40 GTexel/s
722.7 GFLOPSFP32 (float) performance729.6 GFLOPS
30.11 GFLOPS (1:24)FP64 (double) performance30.40 GFLOPS (1:24)

Clock Speeds

900 MHz
1800 Mbps effective
Memory Clock1250 MHz
5 Gbps effective

Render Config

384Shading Units384
32TMUs32
8ROPs16
16 KB (per SMX)L1 Cache16 KB (per SMX)
512 KBL2 Cache256 KB

Board Design

IGPSlot WidthMXM Module
33 WThermal design power (TDP)50 W
No outputsDisplay ConnectorsNo outputs
NonePower ConnectorsNone

API support

12 (11_0)DirectX12 (11_0)
4.6OpenGL4.6
3.0OpenCL3.0
1.1Vulkan1.1
5.1Shader Model5.1
3.5CUDA3.0