AMD Radeon HD 7590M vs AMD Radeon HD 6630M Mac Edition

VS

AMD Radeon HD 7590M

AMD Radeon HD 6630M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7590M and 256MB VRAM Radeon HD 6630M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7590M 's Advantages

Released 1 years late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 19.20GB/s)

Lower TDP (18W vs 26W)

Score

Benchmark

FP32 (float)

Radeon HD 7590M +20%

0.576 TFLOPS

Radeon HD 6630M Mac Edition

0.48 TFLOPS

Radeon HD 7590M

VS

Radeon HD 6630M Mac Edition

Graphics Card

Jan 2012

Release Date

Jan 2011

London

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

64bit

25.60GB/s

Bandwidth

19.20GB/s

Render Config

6

Compute Units

6

-

480

Shading Units

480

24

TMUs

24

8

ROPs

8

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

4.000 GPixel/s

14.40 GTexel/s

Texture Rate

12.00 GTexel/s

-

576.0 GFLOPS

FP32 (float)

480.0 GFLOPS

-

Board Design

18W

TDP

26W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Thames

GPU Name

Whistler

Thames XT (216-0833000)

GPU Variant

Whistler LP

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.716 billion

104 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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