ATI Mobility Radeon HD 5870 vs ATI Mobility Radeon HD 5770

VS

ATI Mobility Radeon HD 5870

ATI Mobility Radeon HD 5770

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5870 and 1024MB VRAM Mobility Radeon HD 5770 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 51.20GB/s)

400 additional rendering cores

ATI Mobility Radeon HD 5770 's Advantages

Lower TDP (30W vs 50W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5870 +115%

1.12 TFLOPS

Mobility Radeon HD 5770

0.52 TFLOPS

Mobility Radeon HD 5870

VS

Mobility Radeon HD 5770

Graphics Card

Jan 2010

Release Date

Jan 2010

Manhattan

Generation

Manhattan

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

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

51.20GB/s

Render Config

10

Compute Units

5

-

800

Shading Units

400

40

TMUs

20

16

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

5.200 GPixel/s

28.00 GTexel/s

Texture Rate

13.00 GTexel/s

-

1120 GFLOPS

FP32 (float)

520.0 GFLOPS

-

Board Design

50W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

Madison

Broadway XT (216-0769008)

GPU Variant

Madison XT (216-0772003)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.627 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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