ATI Mobility Radeon HD 2700 vs AMD Radeon HD 6990M Rebrand

VS

ATI Mobility Radeon HD 2700

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2700 and 1024MB VRAM Radeon HD 6990M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 2700 's Advantages

Lower TDP (35W vs 100W)

AMD Radeon HD 6990M Rebrand 's Advantages

Released 3 years and 7 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (70.40GB/s vs 22.40GB/s)

680 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2700

0.168 TFLOPS

Radeon HD 6990M Rebrand +661%

1.28 TFLOPS

Mobility Radeon HD 2700

VS

Radeon HD 6990M Rebrand

Graphics Card

Dec 2007

Release Date

Jul 2011

M7x

Generation

Vancouver

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-B (3.0)

Clock Speeds

-

700 MHz

Memory Clock

1100 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

22.40GB/s

Bandwidth

70.40GB/s

Render Config

3

Compute Units

14

-

120

Shading Units

800

8

TMUs

40

4

ROPs

16

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

12.80 GPixel/s

5.600 GTexel/s

Texture Rate

32.00 GTexel/s

-

168.0 GFLOPS

FP32 (float)

1280 GFLOPS

-

Board Design

35W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M76

GPU Name

Broadway

-

GPU Variant

Broadway XTX

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.39 billion

Transistors

1.04 billion

153 mm²

Die Size

166 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

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