AMD Radeon HD 6630M Mac Edition vs ATI Mobility Radeon HD 5870

VS

AMD Radeon HD 6630M Mac Edition

ATI Mobility Radeon HD 5870

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 1024MB VRAM Mobility Radeon HD 5870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6630M Mac Edition 's Advantages

Released 1 years late

Lower TDP (26W vs 50W)

ATI Mobility Radeon HD 5870 's Advantages

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 19.20GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition

0.48 TFLOPS

Mobility Radeon HD 5870 +133%

1.12 TFLOPS

Radeon HD 6630M Mac Edition

VS

Mobility Radeon HD 5870

Graphics Card

Jan 2011

Release Date

Jan 2010

Vancouver

Generation

Manhattan

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

600 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

19.20GB/s

Bandwidth

64.00GB/s

Render Config

6

Compute Units

10

-

480

Shading Units

800

24

TMUs

40

8

ROPs

16

-

L1 Cache

8 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

11.20 GPixel/s

12.00 GTexel/s

Texture Rate

28.00 GTexel/s

-

480.0 GFLOPS

FP32 (float)

1120 GFLOPS

-

Board Design

26W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

Broadway

Whistler LP

GPU Variant

Broadway XT (216-0769008)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

1.04 billion

104 mm²

Die Size

166 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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