NVIDIA GeForce GTX 675M vs AMD Radeon HD 6990M

VS

NVIDIA GeForce GTX 675M

AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675M and 2GB VRAM Radeon HD 6990M 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

AMD Radeon HD 6990M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 96.00GB/s)

736 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 675M

0.952 TFLOPS

Radeon HD 6990M +68%

1.602 TFLOPS

GeForce GTX 675M

VS

Radeon HD 6990M

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

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

96.00GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

14

8

SM Count

-

384

Shading Units

1120

64

TMUs

56

32

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

22.88 GPixel/s

39.68 GTexel/s

Texture Rate

40.04 GTexel/s

-

952.3 GFLOPS

FP32 (float)

1.602 TFLOPS

79.36 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF114

GPU Name

Blackcomb

N13E-GS1-A1

GPU Variant

Blackcomb XTX (216-0811030)

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

1.7 billion

332 mm²

Die Size

212 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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