AMD Radeon R9 M390 Mac Edition vs ATI Mobility Radeon X2500

VS

AMD Radeon R9 M390 Mac Edition ATI Mobility Radeon X2500

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 256MB VRAM Mobility Radeon X2500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390 Mac Edition 's Advantages

Released 7 years and 11 months late

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

1024 additional rendering cores

Score

Radeon R9 M390 Mac Edition

VS

Mobility Radeon X2500

Graphics Card

May 2015

Release Date

Jun 2007

Crystal System

Generation

M6x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1365 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

16

Compute Units

-

1024

Shading Units

-

64

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

1.840 GPixel/s

61.31 GTexel/s

Texture Rate

1.840 GTexel/s

-

FP16 (half)

-

1.962 TFLOPS

FP32 (float)

-

122.6 GFLOPS

FP64 (double)

-

Graphics Processor

Pitcairn

GPU Name

M66

Pitcairn PRO (215-0828062)

GPU Variant

-

GCN 1.0

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

2.8 billion

Transistors

0.157 billion

212 mm²

Die Size

150 mm²

Board Design

80W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

3.0

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