ATI Mobility Radeon HD 4550 vs ATI Mobility Radeon X1900

VS

ATI Mobility Radeon HD 4550

ATI Mobility Radeon X1900

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4550 and 256MB VRAM Mobility Radeon X1900 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 3 years late

More VRAM (512GB vs 256GB)

80 additional rendering cores

ATI Mobility Radeon X1900 's Advantages

Larger VRAM bandwidth (30.08GB/s vs 11.20GB/s)

Score

Mobility Radeon HD 4550

VS

Mobility Radeon X1900

Graphics Card

Jan 2010

Release Date

Jan 2007

M9x

Generation

M6x

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-III

Clock Speeds

-

700 MHz

Memory Clock

470 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

11.20GB/s

Bandwidth

30.08GB/s

Render Config

1

Compute Units

-

80

Shading Units

-

8

TMUs

12

4

ROPs

12

-

16 KB (per CU)

L1 Cache

-

64 KB

L2 Cache

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

4.800 GPixel/s

4.400 GTexel/s

Texture Rate

4.800 GTexel/s

-

88.00 GFLOPS

FP32 (float)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

M93

GPU Name

M68

-

TeraScale

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.242 billion

Transistors

0.312 billion

73 mm²

Die Size

230 mm²

Graphics Features

10.1 (10_1)

DirectX

9.0c (9_3)

3.3

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

3.0

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