AMD Radeon HD 6630M Mac Edition vs AMD Radeon HD 6450A

VS

AMD Radeon HD 6630M Mac Edition AMD Radeon HD 6450A

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 512MB VRAM Radeon HD 6450A 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

Larger VRAM bandwidth (19.20GB/s vs 8.528GB/s)

320 additional rendering cores

AMD Radeon HD 6450A 's Advantages

More VRAM (512GB vs 256GB)

Lower TDP (25W vs 26W)

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition +140%

0.48 TFLOPS

Radeon HD 6450A

0.2 TFLOPS

Radeon HD 6630M Mac Edition

VS

Radeon HD 6450A

Graphics Card

Jan 2011

Release Date

Apr 2011

Vancouver

Generation

All-In-One

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

600 MHz

Memory Clock

533 MHz

Memory

256MB

Memory Size

512MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

19.20GB/s

Bandwidth

8.528GB/s

Render Config

-

SM Count

-

6

Compute Units

2

480

Shading Units

160

24

TMUs

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

L1 Cache

8 KB (per CU)

-

L2 Cache

128 KB

Theoretical Performance

4.000 GPixel/s

Pixel Rate

2.500 GPixel/s

12.00 GTexel/s

Texture Rate

5.000 GTexel/s

-

FP16 (half)

-

480.0 GFLOPS

FP32 (float)

200.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Whistler

GPU Name

Caicos

Whistler LP

GPU Variant

-

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.37 billion

104 mm²

Die Size

67 mm²

Board Design

26W

TDP

25W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

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

-

CUDA

-

5.0

Shader Model

5.0

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