NVIDIA GeForce GTX 670M vs NVIDIA GeForce GTX 660M

VS

NVIDIA GeForce GTX 670M

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 1536MB VRAM GeForce GTX 670M and 1024MB VRAM GeForce GTX 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 670M 's Advantages

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (72.00GB/s vs 64.00GB/s)

NVIDIA GeForce GTX 660M 's Advantages

Boost Clock950MHz

48 additional rendering cores

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 670M +10%

0.804 TFLOPS

GeForce GTX 660M

0.73 TFLOPS

GeForce GTX 670M

VS

GeForce GTX 660M

Graphics Card

Mar 2012

Release Date

Mar 2012

GeForce 600M

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

835 MHz

-

Boost Clock

950 MHz

750 MHz

Memory Clock

1000 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

72.00GB/s

Bandwidth

64.00GB/s

Render Config

-

7

SM Count

-

336

Shading Units

384

56

TMUs

32

24

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

8.372 GPixel/s

Pixel Rate

7.600 GPixel/s

33.49 GTexel/s

Texture Rate

30.40 GTexel/s

-

803.7 GFLOPS

FP32 (float)

729.6 GFLOPS

66.98 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

75W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF114

GPU Name

GK107

N13E-GS1-LP-A1

GPU Variant

N13E-GE-A2

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

1.27 billion

332 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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