AMD Radeon HD 7450A vs AMD Radeon HD 7950M

VS

AMD Radeon HD 7450A

AMD Radeon HD 7950M

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

Main Differences

AMD Radeon HD 7450A 's Advantages

Lower TDP (25W vs 75W)

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

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Radeon HD 7950M +796%

1.792 TFLOPS

Radeon HD 7450A

VS

Radeon HD 7950M

Graphics Card

Jan 2012

Release Date

Apr 2012

All-In-One

Generation

London

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

12.80GB/s

Bandwidth

128.0GB/s

Render Config

2

Compute Units

20

-

160

Shading Units

1280

8

TMUs

80

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

22.40 GPixel/s

5.000 GTexel/s

Texture Rate

56.00 GTexel/s

-

200.0 GFLOPS

FP32 (float)

1.792 TFLOPS

-

Board Design

25W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Caicos

GPU Name

Wimbledon

-

GPU Variant

Wimbledon PRO

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

2.8 billion

67 mm²

Die Size

212 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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