ATI Mobility Radeon HD 4550 vs ATI Mobility Radeon HD 4830

VS

ATI Mobility Radeon HD 4550

ATI Mobility Radeon HD 4830

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4550 and 1024MB VRAM Mobility Radeon HD 4830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4550 's Advantages

Released 10 months late

ATI Mobility Radeon HD 4830 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (25.60GB/s vs 11.20GB/s)

560 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4550

0.088 TFLOPS

Mobility Radeon HD 4830 +627%

0.64 TFLOPS

Mobility Radeon HD 4550

VS

Mobility Radeon HD 4830

Graphics Card

Jan 2010

Release Date

Mar 2009

M9x

Generation

M9x

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

11.20GB/s

Bandwidth

25.60GB/s

Render Config

1

Compute Units

8

-

80

Shading Units

640

8

TMUs

32

4

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

8.000 GPixel/s

4.400 GTexel/s

Texture Rate

16.00 GTexel/s

-

88.00 GFLOPS

FP32 (float)

640.0 GFLOPS

-

FP64 (double)

128.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

M93

GPU Name

M97

-

GPU Variant

M97 M2 (216-0731004)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.242 billion

Transistors

0.826 billion

73 mm²

Die Size

137 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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