Radeon Pro 450 vs Radeon RX 550X

When comparing Radeon Pro 450 and Radeon RX 550X, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon Pro 450 and Radeon RX 550X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon Pro 450 is a Laptop Graphics Card

Note: Radeon Pro 450 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon Pro 450 here:

Main Specs

  Radeon Pro 450 Radeon RX 550X
Power consumption (TDP) 35 Watt 50 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x8
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon RX 550X has 42% more power consumption, than Radeon Pro 450.
  • Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
  • Radeon RX 550X has 2 GB more memory, than Radeon Pro 450.
  • Radeon Pro 450 is used in Mobile workstations, and Radeon RX 550X - in Desktops.
  • Radeon Pro 450 is build with Polaris architecture, and Radeon RX 550X - with GCN 4.0.
  • Core clock speed of Radeon RX 550X is 300 MHz higher, than Radeon Pro 450.
  • Radeon Pro 450 and Radeon RX 550X are manufactured by 14 nm process technology.
  • Memory clock speed of Radeon RX 550X is 920 MHz higher, than Radeon Pro 450.

Game benchmarks

high / 1080p 14−16 10−11
ultra / 1080p 8−9 6−7
QHD / 1440p 3−4 0−1
low / 720p 27−30 21−24
medium / 1080p 16−18 12−14
The average gaming FPS of Radeon Pro 450 in Assassin's Creed Odyssey is 30% more, than Radeon RX 550X.

Full Specs

  Radeon Pro 450 Radeon RX 550X
Architecture Polaris GCN 4.0
Code name Polaris 11 Lexa
Type Mobile workstation Desktop
Release date 27 October 2016 16 December 2018
Pipelines 640 512
Core clock speed 800 MHz 1100 MHz
Boost Clock 1183 MHz
Transistor count 3,000 million 2,200 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 32.00 37.86
Floating-point performance 1,024 gflops 1,211 gflops
Length 145 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 5080 MHz 6000 MHz
Memory bandwidth 81.28 GB/s 96 GB/s
Shared memory -
DirectX 12 (12_0) 12 (12_0)
Shader Model 6.4 6.4
OpenGL 4.6 4.6
OpenCL 2.0 2.0
Vulkan 1.2.131 1.2.131
FreeSync +
Bitcoin / BTC (SHA256) 127 Mh/s
Laptop size large
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