ATI Mobility Radeon HD 5870 vs ATI Mobility Radeon HD 4850

VS

ATI Mobility Radeon HD 5870

ATI Mobility Radeon HD 4850

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5870 and 1024MB VRAM Mobility Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5870 's Advantages

Released 1 years late

Larger VRAM bandwidth (64.00GB/s vs 54.40GB/s)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5870 +39%

1.12 TFLOPS

Mobility Radeon HD 4850

0.804 TFLOPS

Mobility Radeon HD 5870

VS

Mobility Radeon HD 4850

Graphics Card

Jan 2010

Release Date

Jan 2009

Manhattan

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

850 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

54.40GB/s

Render Config

10

Compute Units

10

-

800

Shading Units

800

40

TMUs

40

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

8.048 GPixel/s

28.00 GTexel/s

Texture Rate

20.12 GTexel/s

-

1120 GFLOPS

FP32 (float)

804.8 GFLOPS

-

FP64 (double)

161.0 GFLOPS

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Broadway

GPU Name

M98

Broadway XT (216-0769008)

GPU Variant

M98 L2 (216-0732019)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.04 billion

Transistors

0.956 billion

166 mm²

Die Size

256 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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