GeForce MX450 25W vs Radeon RX 550X Mobile

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking578not rated
Place by popularitynot in top-100not in top-100
Power efficiency8.41no data
ArchitectureGCN 4.0 (2016−2020)Turing (2018−2022)
GPU code namePolaris 23TU117
Market segmentLaptopLaptop
Release date11 April 2018 (6 years ago)15 August 2020 (4 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores640896
Core clock speed1100 MHz720 MHz
Boost clock speed1287 MHz930 MHz
Number of transistors2,200 million4,700 million
Manufacturing process technology14 nm12 nm
Power consumption (TDP)50 Watt25 Watt
Texture fill rate51.4852.08
Floating-point processing power1.647 TFLOPS1.667 TFLOPS
ROPs1632
TMUs4056

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizelargeno data
InterfacePCIe 3.0 x8PCIe 4.0 x4
Supplementary power connectorsno dataNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR6
Maximum RAM amount2 GB2 GB
Memory bus width128 Bit64 Bit
Memory clock speed1500 MHz1250 MHz
Memory bandwidth96 GB/s80 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

FreeSync+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_0)12 (12_1)
Shader Model6.46.5
OpenGL4.64.6
OpenCL2.01.2
Vulkan1.2.1311.2
CUDA-7.5

Pros & cons summary


Recency 11 April 2018 15 August 2020
Chip lithography 14 nm 12 nm
Power consumption (TDP) 50 Watt 25 Watt

MX450 25W has an age advantage of 2 years, a 16.7% more advanced lithography process, and 100% lower power consumption.

We couldn't decide between Radeon RX 550X Mobile and GeForce MX450 25W. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon RX 550X Mobile
Radeon RX 550X Mobile
NVIDIA GeForce MX450 25W
GeForce MX450 25W

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.4 37 votes

Rate Radeon RX 550X Mobile on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 26 votes

Rate GeForce MX450 25W on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.