AMD Radeon R9 M390X vs AMD Radeon RX 5300M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 3GB VRAM Radeon RX 5300M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390X 's Advantages

More VRAM (4GB vs 3GB)

640 additional rendering cores

Lower TDP (75W vs 85W)

AMD Radeon RX 5300M 's Advantages

Released 4 years and 6 months late

Boost Clock1445MHz

Larger VRAM bandwidth (168.0GB/s vs 160.0GB/s)

Score

Benchmark

FP32 (float)

Radeon R9 M390X

2.961 TFLOPS

Radeon RX 5300M +37%

4.069 TFLOPS

Radeon R9 M390X

VS

Radeon RX 5300M

Graphics Card

May 2015

Release Date

Nov 2019

Crystal System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1445 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

96bit

160.0GB/s

Bandwidth

168.0GB/s

Render Config

-

SM Count

-

32

Compute Units

22

2048

Shading Units

1408

128

TMUs

88

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

2 MB

Theoretical Performance

23.14 GPixel/s

Pixel Rate

46.24 GPixel/s

92.54 GTexel/s

Texture Rate

127.2 GTexel/s

2.961 TFLOPS

FP16 (half)

8.138 TFLOPS

2.961 TFLOPS

FP32 (float)

4.069 TFLOPS

185.1 GFLOPS

FP64 (double)

254.3 GFLOPS

Graphics Processor

Amethyst

GPU Name

Navi 14

Amethyst XT

GPU Variant

Navi 14 XLM

GCN 3.0

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

5 billion

Transistors

6.4 billion

366 mm²

Die Size

158 mm²

Board Design

75W

TDP

85W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

6.3

Shader Model

6.5

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