AMD Radeon HD 7450A vs AMD Radeon HD 6630M Mac Edition

VS

AMD Radeon HD 7450A

AMD Radeon HD 6630M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A 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 7450A 's Advantages

Released 1 years late

More VRAM (512GB vs 256GB)

Lower TDP (25W vs 26W)

AMD Radeon HD 6630M Mac Edition 's Advantages

Larger VRAM bandwidth (19.20GB/s vs 12.80GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Radeon HD 6630M Mac Edition +140%

0.48 TFLOPS

Radeon HD 7450A

VS

Radeon HD 6630M Mac Edition

Graphics Card

Jan 2012

Release Date

Jan 2011

All-In-One

Generation

Vancouver

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

12.80GB/s

Bandwidth

19.20GB/s

Render Config

2

Compute Units

6

-

160

Shading Units

480

8

TMUs

24

4

ROPs

8

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

4.000 GPixel/s

5.000 GTexel/s

Texture Rate

12.00 GTexel/s

-

200.0 GFLOPS

FP32 (float)

480.0 GFLOPS

-

Board Design

25W

TDP

26W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Caicos

GPU Name

Whistler

-

GPU Variant

Whistler LP

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.716 billion

67 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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