AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce GT 540M

VS

AMD Radeon HD 6990M Rebrand

NVIDIA GeForce GT 540M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 1024MB VRAM GeForce GT 540M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Released 6 months late

Larger VRAM bandwidth (70.40GB/s vs 28.80GB/s)

704 additional rendering cores

NVIDIA GeForce GT 540M 's Advantages

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +396%

1.28 TFLOPS

GeForce GT 540M

0.258 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce GT 540M

Graphics Card

Jul 2011

Release Date

Jan 2011

Vancouver

Generation

GeForce 500M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1100 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

70.40GB/s

Bandwidth

28.80GB/s

Render Config

14

Compute Units

-

SM Count

2

800

Shading Units

96

40

TMUs

16

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

2.688 GPixel/s

32.00 GTexel/s

Texture Rate

10.75 GTexel/s

-

1280 GFLOPS

FP32 (float)

258.0 GFLOPS

-

FP64 (double)

21.50 GFLOPS

Board Design

100W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

GF108

Broadway XTX

GPU Variant

N12P-GS-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.585 billion

166 mm²

Die Size

116 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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