AMD Radeon 550X Mobile vs NVIDIA GeForce MX450 30.5W 10Gbps

VS

AMD Radeon 550X Mobile

NVIDIA GeForce MX450 30.5W 10Gbps

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile 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 550X Mobile 's Advantages

More VRAM (4GB vs 2GB)

NVIDIA GeForce MX450 30.5W 10Gbps 's Advantages

Released 2 years and 4 months late

Boost Clock has increased by 22% (1575MHz vs 1287MHz)

Larger VRAM bandwidth (80.00GB/s vs 48.00GB/s)

256 additional rendering cores

Lower TDP (31W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 550X Mobile

1.647 TFLOPS

GeForce MX450 30.5W 10Gbps +71%

2.822 TFLOPS

Radeon 550X Mobile

VS

GeForce MX450 30.5W 10Gbps

Graphics Card

Apr 2018

Release Date

Aug 2020

Mobility Radeon

Generation

GeForce MX

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

1100 MHz

Base Clock

1395 MHz

1287 MHz

Boost Clock

1575 MHz

1500 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

80.00GB/s

Render Config

10

Compute Units

-

SM Count

14

640

Shading Units

896

40

TMUs

56

16

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

20.59 GPixel/s

Pixel Rate

50.40 GPixel/s

51.48 GTexel/s

Texture Rate

88.20 GTexel/s

1.647 TFLOPS

FP16 (half)

5.645 TFLOPS

1.647 TFLOPS

FP32 (float)

2.822 TFLOPS

103.0 GFLOPS

FP64 (double)

88.20 GFLOPS

Board Design

50W

TDP

31W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

TU117

Polaris 23 MXT

GPU Variant

N18S-G5

GCN 4.0

Architecture

Turing

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

12 nm

2.2 billion

Transistors

4.7 billion

103 mm²

Die Size

200 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

6.4

Shader Model

6.6

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