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

VS

AMD Radeon HD 6990M Rebrand

NVIDIA GeForce GTX 675MX

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

Main Differences

NVIDIA GeForce GTX 675MX 's Advantages

Released 1 years and 3 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (115.2GB/s vs 70.40GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +1%

1.28 TFLOPS

GeForce GTX 675MX

1.256 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce GTX 675MX

Graphics Card

Jul 2011

Release Date

Oct 2012

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1100 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

70.40GB/s

Bandwidth

115.2GB/s

Render Config

14

Compute Units

-

800

Shading Units

960

40

TMUs

80

16

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

13.08 GPixel/s

32.00 GTexel/s

Texture Rate

52.32 GTexel/s

-

1280 GFLOPS

FP32 (float)

1256 GFLOPS

-

FP64 (double)

52.32 GFLOPS

Board Design

100W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

GK104

Broadway XTX

GPU Variant

N13E-GSR-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

3.54 billion

166 mm²

Die Size

294 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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