ATI Mobility Radeon X2500 vs AMD Radeon R5 A255

VS

ATI Mobility Radeon X2500

AMD Radeon R5 A255

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon X2500 and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages

Released 6 years and 7 months late

Boost Clock940MHz

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)

384 additional rendering cores

Score

Mobility Radeon X2500

VS

Radeon R5 A255

Graphics Card

Jun 2007

Release Date

Jan 2014

M6x

Generation

All-In-One

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

940 MHz

400 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

12.80GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

-

Shading Units

384

4

TMUs

24

4

ROPs

8

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

1.840 GPixel/s

Pixel Rate

7.520 GPixel/s

1.840 GTexel/s

Texture Rate

22.56 GTexel/s

-

FP32 (float)

721.9 GFLOPS

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

M66

GPU Name

Topaz

-

GPU Variant

Topaz PRO (216-0858030)

Ultra-Threaded SE

Architecture

GCN 3.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.157 billion

Transistors

1.55 billion

150 mm²

Die Size

125 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (12_0)

2.1

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2.170

-

3.0

Shader Model

6.5

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