NVIDIA GeForce GTX 675MX vs NVIDIA GeForce GTX 660M Mac Edition

VS

NVIDIA GeForce GTX 675MX

NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675MX and 512MB VRAM GeForce GTX 660M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675MX 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 80.00GB/s)

576 additional rendering cores

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Released 6 months late

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 675MX +72%

1.256 TFLOPS

GeForce GTX 660M Mac Edition

0.73 TFLOPS

GeForce GTX 675MX

VS

GeForce GTX 660M Mac Edition

Graphics Card

Oct 2012

Release Date

Apr 2013

GeForce 600M

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

80.00GB/s

Render Config

-

960

Shading Units

384

80

TMUs

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.08 GPixel/s

Pixel Rate

7.600 GPixel/s

52.32 GTexel/s

Texture Rate

30.40 GTexel/s

-

1256 GFLOPS

FP32 (float)

729.6 GFLOPS

52.32 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GK104

GPU Name

GK107

N13E-GSR-A2

GPU Variant

-

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.27 billion

294 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.0

5.1

Shader Model

5.1

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