AMD Radeon HD 6870M vs ATI Radeon E2400

VS

AMD Radeon HD 6870M

ATI Radeon E2400

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 128MB VRAM Radeon E2400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages

Released 3 years and 7 months late

More VRAM (1024GB vs 128GB)

Larger VRAM bandwidth (64.00GB/s vs 11.20GB/s)

760 additional rendering cores

ATI Radeon E2400 's Advantages

Lower TDP (25W vs 50W)

Score

Benchmark

FP32 (float)

Radeon HD 6870M +2150%

1.08 TFLOPS

Radeon E2400

0.048 TFLOPS

Radeon HD 6870M

VS

Radeon E2400

Graphics Card

Jan 2011

Release Date

Jun 2007

Vancouver

Generation

Embedded

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-II

Clock Speeds

-

1000 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

11.20GB/s

Render Config

10

Compute Units

2

-

800

Shading Units

40

TMUs

4

16

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

2.400 GPixel/s

27.00 GTexel/s

Texture Rate

2.400 GTexel/s

-

1080 GFLOPS

FP32 (float)

48.00 GFLOPS

-

Board Design

50W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Granville

GPU Name

RV610

Granville XT (216-0769024)

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

1.04 billion

Transistors

0.18 billion

166 mm²

Die Size

85 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

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