AMD Radeon R9 M390X vs AMD Radeon R5 A240

VS

AMD Radeon R9 M390X

AMD Radeon R5 A240

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 1024MB VRAM Radeon R5 A240 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390X 's Advantages

Released 1 years and 4 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)

1728 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M390X +349%

2.961 TFLOPS

Radeon R5 A240

0.659 TFLOPS

Radeon R9 M390X

VS

Radeon R5 A240

Graphics Card

May 2015

Release Date

Jan 2014

Crystal System

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

14.40GB/s

Render Config

32

Compute Units

5

-

2048

Shading Units

320

128

TMUs

20

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

8.240 GPixel/s

92.54 GTexel/s

Texture Rate

20.60 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

659.2 GFLOPS

185.1 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

Jet

Amethyst XT

GPU Variant

Jet XT

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

0.69 billion

366 mm²

Die Size

56 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.3

Shader Model

6.5 (5.1)

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