ATI Mobility Radeon HD 5850 Mac Edition vs AMD Radeon HD 7970M

VS

ATI Mobility Radeon HD 5850 Mac Edition

AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5850 Mac Edition and 2GB VRAM Radeon HD 7970M 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

Lower TDP (30W vs 100W)

AMD Radeon HD 7970M 's Advantages

Released 2 years and 3 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 64.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5850 Mac Edition

1.005 TFLOPS

Radeon HD 7970M +116%

2.176 TFLOPS

Mobility Radeon HD 5850 Mac Edition

VS

Radeon HD 7970M

Graphics Card

Jan 2010

Release Date

Apr 2012

Manhattan

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

153.6GB/s

Render Config

10

Compute Units

20

-

800

Shading Units

1280

40

TMUs

80

16

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

10.05 GPixel/s

Pixel Rate

27.20 GPixel/s

25.12 GTexel/s

Texture Rate

68.00 GTexel/s

-

1005 GFLOPS

FP32 (float)

2.176 TFLOPS

-

FP64 (double)

136.0 GFLOPS

Board Design

30W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

Wimbledon

Broadway PRO (216-0769024)

GPU Variant

Wimbledon XT (216-0836036)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

2.8 billion

166 mm²

Die Size

212 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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