AMD Radeon HD 7450A vs ATI Mobility Radeon HD 4650

VS

AMD Radeon HD 7450A

ATI Mobility Radeon HD 4650

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 512MB VRAM Mobility Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450A 's Advantages

Released 3 years late

Lower TDP (25W vs 35W)

ATI Mobility Radeon HD 4650 's Advantages

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

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Mobility Radeon HD 4650 +60%

0.32 TFLOPS

Radeon HD 7450A

VS

Mobility Radeon HD 4650

Graphics Card

Jan 2012

Release Date

Jan 2009

All-In-One

Generation

M9x

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

512MB

GDDR3

Memory Type

DDR2

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

19.20GB/s

Render Config

2

Compute Units

4

-

160

Shading Units

320

8

TMUs

32

4

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

4.000 GPixel/s

5.000 GTexel/s

Texture Rate

16.00 GTexel/s

-

200.0 GFLOPS

FP32 (float)

320.0 GFLOPS

-

Board Design

25W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Caicos

GPU Name

M96

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.514 billion

67 mm²

Die Size

146 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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