AMD Radeon E6460 vs ATI Mobility Radeon HD 3870

VS

AMD Radeon E6460

ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 512MB VRAM Radeon E6460 and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E6460 's Advantages

Released 2 years and 10 months late

Lower TDP (25W vs 55W)

ATI Mobility Radeon HD 3870 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 25.60GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E6460

0.192 TFLOPS

Mobility Radeon HD 3870 +119%

0.422 TFLOPS

Radeon E6460

VS

Mobility Radeon HD 3870

Graphics Card

Apr 2011

Release Date

Jun 2008

Embedded

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

850 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

54.40GB/s

Render Config

2

Compute Units

4

-

160

Shading Units

320

8

TMUs

16

4

ROPs

16

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

10.56 GPixel/s

4.800 GTexel/s

Texture Rate

10.56 GTexel/s

-

192.0 GFLOPS

FP32 (float)

422.4 GFLOPS

-

FP64 (double)

84.48 GFLOPS

Board Design

25W

TDP

55W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Caicos

GPU Name

M88

E6460

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.666 billion

67 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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