AMD Radeon HD 6990M Rebrand vs ATI Mobility Radeon HD 540v

VS

AMD Radeon HD 6990M Rebrand

ATI Mobility Radeon HD 540v

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 512MB VRAM Mobility Radeon HD 540v 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 1 years and 2 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (70.40GB/s vs 12.80GB/s)

720 additional rendering cores

ATI Mobility Radeon HD 540v 's Advantages

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +1354%

1.28 TFLOPS

Mobility Radeon HD 540v

0.088 TFLOPS

Radeon HD 6990M Rebrand

VS

Mobility Radeon HD 540v

Graphics Card

Jul 2011

Release Date

May 2010

Vancouver

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1100 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

12.80GB/s

Render Config

14

Compute Units

1

-

800

Shading Units

80

40

TMUs

8

16

ROPs

4

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

64 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

2.200 GPixel/s

32.00 GTexel/s

Texture Rate

4.400 GTexel/s

-

1280 GFLOPS

FP32 (float)

88.00 GFLOPS

-

Board Design

100W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

M92

Broadway XTX

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.04 billion

Transistors

0.242 billion

166 mm²

Die Size

73 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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