ATI Mobility Radeon HD 5850 Mac Edition vs ATI Mobility Radeon HD 4870

VS

ATI Mobility Radeon HD 5850 Mac Edition

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5850 Mac Edition and 512MB VRAM Mobility Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5850 Mac Edition 's Advantages

Released 1 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 56.83GB/s)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5850 Mac Edition +14%

1.005 TFLOPS

Mobility Radeon HD 4870

0.88 TFLOPS

Mobility Radeon HD 5850 Mac Edition

VS

Mobility Radeon HD 4870

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

888 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

56.83GB/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

10.05 GPixel/s

Pixel Rate

8.800 GPixel/s

25.12 GTexel/s

Texture Rate

22.00 GTexel/s

-

1005 GFLOPS

FP32 (float)

880.0 GFLOPS

-

FP64 (double)

176.0 GFLOPS

Board Design

30W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

M98

Broadway PRO (216-0769024)

GPU Variant

M98 XT L2 (216-0732023)

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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