NVIDIA GeForce GTX 675M vs AMD Radeon HD 6670A

VS

NVIDIA GeForce GTX 675M

AMD Radeon HD 6670A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675M and 1024MB VRAM Radeon HD 6670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675M 's Advantages

Released 11 months late

More VRAM (2GB vs 1024GB)

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

AMD Radeon HD 6670A 's Advantages

96 additional rendering cores

Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 675M +65%

0.952 TFLOPS

Radeon HD 6670A

0.576 TFLOPS

GeForce GTX 675M

VS

Radeon HD 6670A

Graphics Card

Mar 2012

Release Date

Apr 2011

GeForce 600M

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

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

-

Compute Units

6

8

SM Count

-

384

Shading Units

480

64

TMUs

24

32

ROPs

8

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

4.800 GPixel/s

39.68 GTexel/s

Texture Rate

14.40 GTexel/s

-

952.3 GFLOPS

FP32 (float)

576.0 GFLOPS

79.36 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF114

GPU Name

Turks

N13E-GS1-A1

GPU Variant

Turks XT (215-0803000)

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

0.716 billion

332 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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