ATI Mobility Radeon HD 2700 vs AMD Radeon HD 6450A

VS

ATI Mobility Radeon HD 2700

AMD Radeon HD 6450A

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2700 and 512MB VRAM Radeon HD 6450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 2700 's Advantages

Larger VRAM bandwidth (22.40GB/s vs 8.528GB/s)

AMD Radeon HD 6450A 's Advantages

Released 3 years and 4 months late

More VRAM (512GB vs 256GB)

40 additional rendering cores

Lower TDP (25W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2700

0.168 TFLOPS

Radeon HD 6450A +19%

0.2 TFLOPS

Mobility Radeon HD 2700

VS

Radeon HD 6450A

Graphics Card

Dec 2007

Release Date

Apr 2011

M7x

Generation

All-In-One

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-A (3.0)

Clock Speeds

-

700 MHz

Memory Clock

533 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

22.40GB/s

Bandwidth

8.528GB/s

Render Config

3

Compute Units

2

-

120

Shading Units

160

8

TMUs

8

4

ROPs

4

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

2.500 GPixel/s

5.600 GTexel/s

Texture Rate

5.000 GTexel/s

-

168.0 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

35W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M76

GPU Name

Caicos

-

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.39 billion

Transistors

0.37 billion

153 mm²

Die Size

67 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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