AMD Radeon R9 M390X vs AMD Radeon R7 M365X

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 1024MB VRAM Radeon R7 M365X 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 1GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

1664 additional rendering cores

AMD Radeon R7 M365X 's Advantages

Boost Clock960MHz

Score

Benchmark

FP32 (float)

Radeon R9 M390X +367%

2.961 TFLOPS

Radeon R7 M365X

0.633 TFLOPS

Radeon R9 M390X

VS

Radeon R7 M365X

Graphics Card

May 2015

Release Date

May 2015

Crystal System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

960 MHz

1250 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

32

Compute Units

6

2048

Shading Units

384

128

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

23.14 GPixel/s

Pixel Rate

6.600 GPixel/s

92.54 GTexel/s

Texture Rate

19.80 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

633.6 GFLOPS

185.1 GFLOPS

FP64 (double)

39.60 GFLOPS

Graphics Processor

Amethyst

GPU Name

Litho

Amethyst XT

GPU Variant

Litho XT (216-0868010)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

0.95 billion

366 mm²

Die Size

77 mm²

Board Design

75W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

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

-

CUDA

-

6.3

Shader Model

6.5 (5.1)

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