ATI Mobility Radeon HD 4850 X2 vs AMD Radeon E6460

VS

ATI Mobility Radeon HD 4850 X2

AMD Radeon E6460

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 512MB VRAM Radeon E6460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 X2 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (89.60GB/s vs 25.60GB/s)

640 additional rendering cores

AMD Radeon E6460 's Advantages

Released 2 years and 3 months late

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 X2 +316%

0.8 TFLOPS

Radeon E6460

0.192 TFLOPS

Mobility Radeon HD 4850 X2

VS

Radeon E6460

Graphics Card

Jan 2009

Release Date

Apr 2011

M9x

Generation

Embedded

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

89.60GB/s

Bandwidth

25.60GB/s

Render Config

10

Compute Units

2

-

800

Shading Units

160

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

2.400 GPixel/s

20.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

800.0 GFLOPS

FP32 (float)

192.0 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M98

GPU Name

Caicos

M98 L2 (216-0732019)

GPU Variant

E6460

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

0.37 billion

256 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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