ATI Mobility Radeon HD 5870 vs AMD Radeon HD 7550M

VS

ATI Mobility Radeon HD 5870

AMD Radeon HD 7550M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5870 and 1024MB VRAM Radeon HD 7550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5870 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

400 additional rendering cores

AMD Radeon HD 7550M 's Advantages

Released 2 years late

Boost Clock550MHz

Lower TDP (14W vs 50W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5870 +154%

1.12 TFLOPS

Radeon HD 7550M

0.44 TFLOPS

Mobility Radeon HD 5870

VS

Radeon HD 7550M

Graphics Card

Jan 2010

Release Date

Jan 2012

Manhattan

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

450 MHz

-

Boost Clock

550 MHz

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

14.40GB/s

Render Config

10

Compute Units

5

-

800

Shading Units

400

40

TMUs

20

16

ROPs

8

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

4.400 GPixel/s

28.00 GTexel/s

Texture Rate

11.00 GTexel/s

-

1120 GFLOPS

FP32 (float)

440.0 GFLOPS

-

Board Design

50W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

Thames

Broadway XT (216-0769008)

GPU Variant

Thames LP

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.716 billion

166 mm²

Die Size

104 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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