NVIDIA GeForce GTX 970M vs NVIDIA GeForce GTX 660

What is the difference between NVIDIA GeForce GTX 970M and NVIDIA GeForce GTX 660. Find out which graphics card has better performance.

Graphics Processor (GPU)

GM204GPU NameGK106
N16E-GT-A2Model numberGK106-400-A1
Maxwell 2.0ArchitectureKepler
TSMCFoundryTSMC
28 nmProcess Size28 nm
5,200 millionTransistors2,540 million
398 mm²Die Size221 mm²

Graphics Card

Oct 7th, 2014Release DateSep 6th, 2012
GeForce 900MFamilyGeForce 600
End-of-lifeProductionEnd-of-life
GeForce 800MPredecessorGeForce 500
MXM-B (3.0)Bus InterfacePCIe 3.0 x16

Memory

3 GBMemory Size2 GB
GDDR5Memory TypeGDDR5
192 bitMemory Bus192 bit
120.3 GB/sBandwidth144.2 GB/s

Performance

49.82 GPixel/sPixel fillrate20.64 GPixel/s
83.04 GTexel/sTexture fillrate82.56 GTexel/s
2.657 TFLOPSFP32 (float) performance1.981 TFLOPS
83.04 GFLOPS (1:32)FP64 (double) performance82.56 GFLOPS (1:24)

Clock Speeds

924 MHzBase Clock980 MHz
1038 MHzBoost Clock1032 MHz
1253 MHz
5 Gbps effective
Memory Clock1502 MHz
6 Gbps effective

Render Config

1280Shading Units960
80TMUs80
48ROPs24
48 KB (per SMM)L1 Cache16 KB (per SMX)
1536 KBL2 Cache384 KB

Board Design

MXM ModuleSlot WidthDual-slot
unknownThermal design power (TDP)140 W
No outputsDisplay Connectors2x DVI
1x HDMI
1x DisplayPort
NonePower Connectors1x 6-pin
P2754 SKU 2 / 5Board NumberP2030

API support

12 (12_1)DirectX12 (11_0)
4.6OpenGL4.6
3.0OpenCL3.0
1.1Vulkan1.1
6.4Shader Model5.1
5.2CUDA3.0