NVIDIA GeForce GTX 675M vs NVIDIA GeForce GTX 660M

VS

NVIDIA GeForce GTX 675M

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675M 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 675M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)

NVIDIA GeForce GTX 660M 's Advantages

Boost Clock950MHz

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 675M +30%

0.952 TFLOPS

GeForce GTX 660M

0.73 TFLOPS

GeForce GTX 675M

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

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

96.00GB/s

Bandwidth

64.00GB/s

Render Config

-

8

SM Count

-

384

Shading Units

384

64

TMUs

32

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

7.600 GPixel/s

39.68 GTexel/s

Texture Rate

30.40 GTexel/s

-

952.3 GFLOPS

FP32 (float)

729.6 GFLOPS

79.36 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF114

GPU Name

GK107

N13E-GS1-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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