ATI Mobility Radeon X2500 vs AMD Radeon R5 M255

VS

ATI Mobility Radeon X2500 AMD Radeon R5 M255

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon X2500 and 2GB VRAM Radeon R5 M255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Released 7 years and 4 months late

Boost Clock940MHz

Larger VRAM bandwidth (32.00GB/s vs 12.80GB/s)

384 additional rendering cores

Score

Mobility Radeon X2500

VS

Radeon R5 M255

Graphics Card

Jun 2007

Release Date

Oct 2014

M6x

Generation

Gem System

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

2GB

DDR2

Memory Type

DDR3

128bit

Memory Bus

128bit

12.80GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

Compute Units

6

-

Shading Units

384

4

TMUs

24

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

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

-

FP16 (half)

721.9 GFLOPS

-

FP32 (float)

721.9 GFLOPS

-

FP64 (double)

45.12 GFLOPS

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

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

-

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

-

CUDA

-

3.0

Shader Model

6.5

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