NVIDIA GeForce GTX 680M vs NVIDIA GeForce GTX 660 OEM

What is the difference between NVIDIA GeForce GTX 680M and NVIDIA GeForce GTX 660 OEM. Find out which graphics card has better performance.

Graphics Processor (GPU)

GK104GPU NameGK104
N13E-GTX-A2Model numberGK104-200-KD-A2
KeplerArchitectureKepler
TSMCFoundryTSMC
28 nmProcess Size28 nm
3,540 millionTransistors3,540 million
294 mm²Die Size294 mm²

Graphics Card

Jun 4th, 2012Release DateAug 22nd, 2012
GeForce 600MFamilyGeForce 600
End-of-lifeProductionEnd-of-life
GeForce 500MPredecessorGeForce 500
MXM-B (3.0)Bus InterfacePCIe 3.0 x16

Memory

4 GBMemory Size2 GB
GDDR5Memory TypeGDDR5
256 bitMemory Bus256 bit
115.2 GB/sBandwidth179.2 GB/s

Performance

21.22 GPixel/sPixel fillrate21.31 GPixel/s
84.90 GTexel/sTexture fillrate85.25 GTexel/s
2.038 TFLOPSFP32 (float) performance2.046 TFLOPS
84.90 GFLOPS (1:24)FP64 (double) performance85.25 GFLOPS (1:24)

Clock Speeds

719 MHzBase Clock823 MHz
758 MHzBoost Clock888 MHz
900 MHz
3.6 Gbps effective
Memory Clock1400 MHz
5.6 Gbps effective

Render Config

1344Shading Units1152
112TMUs96
32ROPs32
16 KB (per SMX)L1 Cache16 KB (per SMX)
512 KBL2 Cache512 KB

Board Design

MXM ModuleSlot WidthDual-slot
100 WThermal design power (TDP)130 W
No outputsDisplay Connectors2x DVI
1x HDMI
1x DisplayPort
NonePower Connectors1x 6-pin
P2051BBoard NumberP2004

API support

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