ATI Mobility Radeon X2500 vs AMD Radeon R9 M395 Mac Edition

VS

ATI Mobility Radeon X2500

AMD Radeon R9 M395 Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon X2500 and 2GB VRAM Radeon R9 M395 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395 Mac Edition 's Advantages

Released 7 years and 11 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (174.7GB/s vs 12.80GB/s)

1792 additional rendering cores

Score

Mobility Radeon X2500

VS

Radeon R9 M395 Mac Edition

Graphics Card

Jun 2007

Release Date

May 2015

M6x

Generation

Crystal System

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

400 MHz

Memory Clock

1365 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

12.80GB/s

Bandwidth

174.7GB/s

Render Config

-

Compute Units

28

-

Shading Units

1792

4

TMUs

112

4

ROPs

32

-

Theoretical Performance

1.840 GPixel/s

Pixel Rate

26.69 GPixel/s

1.840 GTexel/s

Texture Rate

93.41 GTexel/s

-

FP32 (float)

2.989 TFLOPS

-

FP64 (double)

373.6 GFLOPS

Board Design

Unknown

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M66

GPU Name

Amethyst

-

GPU Variant

Amethyst PRO (216-0872004)

Ultra-Threaded SE

Architecture

GCN 3.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.157 billion

Transistors

5 billion

150 mm²

Die Size

366 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (12_0)

2.1

OpenGL

4.6

N/A

OpenCL

2.0

N/A

Vulkan

1.2

-

3.0

Shader Model

6.3

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