ATI Mobility Radeon HD 4860 vs AMD Radeon HD 6550M

VS

ATI Mobility Radeon HD 4860

AMD Radeon HD 6550M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4860 and 1024MB VRAM Radeon HD 6550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4860 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

240 additional rendering cores

AMD Radeon HD 6550M 's Advantages

Released 1 years and 8 months late

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4860 +73%

0.832 TFLOPS

Radeon HD 6550M

0.48 TFLOPS

Mobility Radeon HD 4860

VS

Radeon HD 6550M

Graphics Card

Mar 2009

Release Date

Nov 2010

M9x

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-II

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.80GB/s

Render Config

8

Compute Units

5

-

640

Shading Units

400

32

TMUs

20

16

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

10.40 GPixel/s

Pixel Rate

4.800 GPixel/s

20.80 GTexel/s

Texture Rate

12.00 GTexel/s

-

832.0 GFLOPS

FP32 (float)

480.0 GFLOPS

166.4 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

26W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M97

GPU Name

Lexington

M97 M2 XT (216-0731000)

GPU Variant

-

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.826 billion

Transistors

2.154 billion

137 mm²

Die Size

334 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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