AMD Radeon HD 6870M vs AMD Radeon E6460

VS

AMD Radeon HD 6870M

AMD Radeon E6460

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 512MB VRAM Radeon E6460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)

640 additional rendering cores

AMD Radeon E6460 's Advantages

Lower TDP (25W vs 50W)

Score

Benchmark

FP32 (float)

Radeon HD 6870M +462%

1.08 TFLOPS

Radeon E6460

0.192 TFLOPS

Radeon HD 6870M

VS

Radeon E6460

Graphics Card

Jan 2011

Release Date

Apr 2011

Vancouver

Generation

Embedded

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

25.60GB/s

Render Config

10

Compute Units

2

-

800

Shading Units

160

40

TMUs

8

16

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

2.400 GPixel/s

27.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

1080 GFLOPS

FP32 (float)

192.0 GFLOPS

-

Board Design

50W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Granville

GPU Name

Caicos

Granville XT (216-0769024)

GPU Variant

E6460

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.37 billion

166 mm²

Die Size

67 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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