NVIDIA GeForce GTX 675MX vs AMD Radeon HD 7950M

VS

NVIDIA GeForce GTX 675MX

AMD Radeon HD 7950M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675MX and 2GB VRAM Radeon HD 7950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675MX 's Advantages

Released 6 months late

AMD Radeon HD 7950M 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 115.2GB/s)

320 additional rendering cores

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 675MX

1.256 TFLOPS

Radeon HD 7950M +42%

1.792 TFLOPS

GeForce GTX 675MX

VS

Radeon HD 7950M

Graphics Card

Oct 2012

Release Date

Apr 2012

GeForce 600M

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

20

-

960

Shading Units

1280

80

TMUs

80

32

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

13.08 GPixel/s

Pixel Rate

22.40 GPixel/s

52.32 GTexel/s

Texture Rate

56.00 GTexel/s

-

1256 GFLOPS

FP32 (float)

1.792 TFLOPS

52.32 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Wimbledon

N13E-GSR-A2

GPU Variant

Wimbledon PRO

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.8 billion

294 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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