ATI Mobility Radeon X2500 vs ATI Mobility Radeon HD 4870

VS

ATI Mobility Radeon X2500

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon X2500 and 512MB VRAM Mobility Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4870 's Advantages

Released 1 years and 7 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (56.83GB/s vs 12.80GB/s)

800 additional rendering cores

Score

Mobility Radeon X2500

VS

Mobility Radeon HD 4870

Graphics Card

Jun 2007

Release Date

Jan 2009

M6x

Generation

M9x

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

888 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

128bit

Memory Bus

256bit

12.80GB/s

Bandwidth

56.83GB/s

Render Config

-

Compute Units

10

-

Shading Units

800

4

TMUs

40

4

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

1.840 GPixel/s

Pixel Rate

8.800 GPixel/s

1.840 GTexel/s

Texture Rate

22.00 GTexel/s

-

FP32 (float)

880.0 GFLOPS

-

FP64 (double)

176.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

M66

GPU Name

M98

-

GPU Variant

M98 XT L2 (216-0732023)

Ultra-Threaded SE

Architecture

TeraScale

TSMC

Foundry

TSMC

90 nm

Process Size

55 nm

0.157 billion

Transistors

0.956 billion

150 mm²

Die Size

256 mm²

Graphics Features

9.0c (9_3)

DirectX

10.1 (10_1)

2.1

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

3.0

Shader Model

4.1

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