AMD Radeon R5 M240 vs AMD Radeon R9 M390X

VS

AMD Radeon R5 M240

AMD Radeon R9 M390X

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 M240 and 4GB VRAM Radeon R9 M390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M240 's Advantages

Boost Clock1030MHz

AMD Radeon R9 M390X 's Advantages

Released 8 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 R5 M240

0.659 TFLOPS

Radeon R9 M390X +349%

2.961 TFLOPS

Radeon R5 M240

VS

Radeon R9 M390X

Graphics Card

Sep 2014

Release Date

May 2015

Crystal System

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1030 MHz

Boost Clock

-

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

160.0GB/s

Render Config

5

Compute Units

32

-

320

Shading Units

2048

20

TMUs

128

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

8.240 GPixel/s

Pixel Rate

23.14 GPixel/s

20.60 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

659.2 GFLOPS

FP32 (float)

2.961 TFLOPS

41.20 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

Unknown

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Jet

GPU Name

Amethyst

Jet XT

GPU Variant

Amethyst XT

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

5 billion

56 mm²

Die Size

366 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

5.1

Shader Model

6.3

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