AMD Radeon R9 M390X vs NVIDIA GeForce MX450 30.5W 10Gbps

VS

AMD Radeon R9 M390X

NVIDIA GeForce MX450 30.5W 10Gbps

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 2GB VRAM GeForce MX450 30.5W 10Gbps 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 2GB)

Larger VRAM bandwidth (160.0GB/s vs 80.00GB/s)

1152 additional rendering cores

NVIDIA GeForce MX450 30.5W 10Gbps 's Advantages

Released 5 years and 3 months late

Boost Clock1575MHz

Lower TDP (31W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M390X +4%

2.961 TFLOPS

GeForce MX450 30.5W 10Gbps

2.822 TFLOPS

Radeon R9 M390X

VS

GeForce MX450 30.5W 10Gbps

Graphics Card

May 2015

Release Date

Aug 2020

Crystal System

Generation

GeForce MX

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

1395 MHz

-

Boost Clock

1575 MHz

1250 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

80.00GB/s

Render Config

32

Compute Units

-

SM Count

14

2048

Shading Units

896

128

TMUs

56

32

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

50.40 GPixel/s

92.54 GTexel/s

Texture Rate

88.20 GTexel/s

2.961 TFLOPS

FP16 (half)

5.645 TFLOPS

2.961 TFLOPS

FP32 (float)

2.822 TFLOPS

185.1 GFLOPS

FP64 (double)

88.20 GFLOPS

Board Design

75W

TDP

31W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

TU117

Amethyst XT

GPU Variant

N18S-G5

GCN 3.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

5 billion

Transistors

4.7 billion

366 mm²

Die Size

200 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

6.3

Shader Model

6.6

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