NVIDIA GeForce GTX 675M vs AMD Radeon HD 6990M Rebrand

VS

NVIDIA GeForce GTX 675M

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675M and 1024MB VRAM Radeon HD 6990M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675M 's Advantages

Released 8 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 70.40GB/s)

AMD Radeon HD 6990M Rebrand 's Advantages

416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 675M

0.952 TFLOPS

Radeon HD 6990M Rebrand +34%

1.28 TFLOPS

GeForce GTX 675M

VS

Radeon HD 6990M Rebrand

Graphics Card

Mar 2012

Release Date

Jul 2011

GeForce 600M

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

750 MHz

Memory Clock

1100 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

96.00GB/s

Bandwidth

70.40GB/s

Render Config

-

Compute Units

14

8

SM Count

-

384

Shading Units

800

64

TMUs

40

32

ROPs

16

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

12.80 GPixel/s

39.68 GTexel/s

Texture Rate

32.00 GTexel/s

-

952.3 GFLOPS

FP32 (float)

1280 GFLOPS

79.36 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF114

GPU Name

Broadway

N13E-GS1-A1

GPU Variant

Broadway XTX

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

1.04 billion

332 mm²

Die Size

166 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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