ATI Mobility Radeon HD 4550 vs ATI Mobility Radeon HD 4850

VS

ATI Mobility Radeon HD 4550

ATI Mobility Radeon HD 4850

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4550 and 1024MB VRAM Mobility Radeon HD 4850 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 1 years late

ATI Mobility Radeon HD 4850 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (54.40GB/s vs 11.20GB/s)

720 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4550

0.088 TFLOPS

Mobility Radeon HD 4850 +813%

0.804 TFLOPS

Mobility Radeon HD 4550

VS

Mobility Radeon HD 4850

Graphics Card

Jan 2010

Release Date

Jan 2009

M9x

Generation

M9x

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

850 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

11.20GB/s

Bandwidth

54.40GB/s

Render Config

1

Compute Units

10

-

80

Shading Units

800

8

TMUs

40

4

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

8.048 GPixel/s

4.400 GTexel/s

Texture Rate

20.12 GTexel/s

-

88.00 GFLOPS

FP32 (float)

804.8 GFLOPS

-

FP64 (double)

161.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

M93

GPU Name

M98

-

GPU Variant

M98 L2 (216-0732019)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.242 billion

Transistors

0.956 billion

73 mm²

Die Size

256 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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