AMD Radeon R9 M390 Mac Edition vs AMD Radeon R5 M240 Rebrand

VS

AMD Radeon R9 M390 Mac Edition

AMD Radeon R5 M240 Rebrand

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 1024MB VRAM Radeon R5 M240 Rebrand 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 1 years and 4 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 14.40GB/s)

640 additional rendering cores

AMD Radeon R5 M240 Rebrand 's Advantages

Boost Clock700MHz

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +264%

1.962 TFLOPS

Radeon R5 M240 Rebrand

0.538 TFLOPS

Radeon R9 M390 Mac Edition

VS

Radeon R5 M240 Rebrand

Graphics Card

May 2015

Release Date

Jan 2014

Crystal System

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

650 MHz

-

Boost Clock

700 MHz

1365 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

14.40GB/s

Render Config

16

Compute Units

6

-

1024

Shading Units

384

64

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

5.600 GPixel/s

61.31 GTexel/s

Texture Rate

16.80 GTexel/s

-

1.962 TFLOPS

FP32 (float)

537.6 GFLOPS

122.6 GFLOPS

FP64 (double)

33.60 GFLOPS

Board Design

80W

TDP

Unknown

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

Mars

Pitcairn PRO (215-0828062)

GPU Variant

Mars LE

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

0.95 billion

212 mm²

Die Size

77 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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