NVIDIA GeForce GTX 675MX vs AMD Radeon HD 8670A

VS

NVIDIA GeForce GTX 675MX

AMD Radeon HD 8670A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675MX and 1024MB VRAM Radeon HD 8670A 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 1024GB)

Larger VRAM bandwidth (115.2GB/s vs 16.00GB/s)

576 additional rendering cores

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 675MX +172%

1.256 TFLOPS

Radeon HD 8670A

0.461 TFLOPS

GeForce GTX 675MX

VS

Radeon HD 8670A

Graphics Card

Oct 2012

Release Date

Feb 2013

GeForce 600M

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

6

-

960

Shading Units

384

80

TMUs

24

32

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

13.08 GPixel/s

Pixel Rate

4.800 GPixel/s

52.32 GTexel/s

Texture Rate

14.40 GTexel/s

-

1256 GFLOPS

FP32 (float)

460.8 GFLOPS

52.32 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

100W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Mars

N13E-GSR-A2

GPU Variant

Mars XT

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

0.95 billion

294 mm²

Die Size

77 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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