AMD Radeon HD 6990M Rebrand vs ATI Mobility Radeon HD 5670 Mac Edition

VS

AMD Radeon HD 6990M Rebrand

ATI Mobility Radeon HD 5670 Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 512MB VRAM Mobility Radeon HD 5670 Mac Edition 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 3 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (70.40GB/s vs 25.44GB/s)

400 additional rendering cores

ATI Mobility Radeon HD 5670 Mac Edition 's Advantages

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +146%

1.28 TFLOPS

Mobility Radeon HD 5670 Mac Edition

0.52 TFLOPS

Radeon HD 6990M Rebrand

VS

Mobility Radeon HD 5670 Mac Edition

Graphics Card

Jul 2011

Release Date

Apr 2010

Vancouver

Generation

Manhattan

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1100 MHz

Memory Clock

795 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

70.40GB/s

Bandwidth

25.44GB/s

Render Config

14

Compute Units

5

-

800

Shading Units

400

40

TMUs

20

16

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

5.200 GPixel/s

32.00 GTexel/s

Texture Rate

13.00 GTexel/s

-

1280 GFLOPS

FP32 (float)

520.0 GFLOPS

-

Board Design

100W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

Madison

Broadway XTX

GPU Variant

Madison XT (216-0772003)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.627 billion

166 mm²

Die Size

104 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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