AMD Radeon HD 7950M vs AMD Radeon HD 7450A

VS

AMD Radeon HD 7950M

AMD Radeon HD 7450A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 512MB VRAM Radeon HD 7450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 12.80GB/s)

1120 additional rendering cores

AMD Radeon HD 7450A 's Advantages

Lower TDP (25W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 7950M +796%

1.792 TFLOPS

Radeon HD 7450A

0.2 TFLOPS

Radeon HD 7950M

VS

Radeon HD 7450A

Graphics Card

Apr 2012

Release Date

Jan 2012

London

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

12.80GB/s

Render Config

20

Compute Units

2

-

1280

Shading Units

160

80

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

2.500 GPixel/s

56.00 GTexel/s

Texture Rate

5.000 GTexel/s

-

1.792 TFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

75W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Wimbledon

GPU Name

Caicos

Wimbledon PRO

GPU Variant

-

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.37 billion

212 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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