ATI Mobility Radeon HD 4550 vs AMD Radeon HD 7450M

VS

ATI Mobility Radeon HD 4550

AMD Radeon HD 7450M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4550 and 1024MB VRAM Radeon HD 7450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450M 's Advantages

Released 2 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (14.40GB/s vs 11.20GB/s)

80 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4550

0.088 TFLOPS

Radeon HD 7450M +154%

0.224 TFLOPS

Mobility Radeon HD 4550

VS

Radeon HD 7450M

Graphics Card

Jan 2010

Release Date

Jan 2012

M9x

Generation

London

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

11.20GB/s

Bandwidth

14.40GB/s

Render Config

1

Compute Units

2

-

80

Shading Units

160

8

TMUs

8

4

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

2.800 GPixel/s

4.400 GTexel/s

Texture Rate

5.600 GTexel/s

-

88.00 GFLOPS

FP32 (float)

224.0 GFLOPS

-

Board Design

Unknown

TDP

7W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M93

GPU Name

Seymour

-

GPU Variant

Seymour PRO

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.242 billion

Transistors

0.37 billion

73 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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