Radeon Pro 580X vs Radeon R8 M445DX

Find out if it is worth upgrading your current GPU setup by comparing Radeon Pro 580X and Radeon R8 M445DX. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon Pro 580X and Radeon R8 M445DX. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Radeon R8 M445DX is a Laptop Graphics Card

Note: Radeon R8 M445DX 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 R8 M445DX here:

Main Specs

  Radeon Pro 580X Radeon R8 M445DX
Power consumption (TDP) 150 Watt
Interface PCIe 3.0 x16 IGP
Supplementary power connectors None
Memory type GDDR5 DDR4/DDR3
Maximum RAM amount 8 GB
Display Connectors No outputs No outputs
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  • Radeon Pro 580X is connected by PCIe 3.0 x16, and Radeon R8 M445DX uses IGP interface.
  • Radeon Pro 580X is used in Desktops, and Radeon R8 M445DX - in Laptops.
  • Radeon Pro 580X is build with GCN 4.0 architecture, and Radeon R8 M445DX - with GCN.
  • Core clock speed of Radeon Pro 580X is 380 MHz higher, than Radeon R8 M445DX.
  • Radeon Pro 580X is manufactured by 14 nm process technology, and Radeon R8 M445DX - by 28 nm process technology.
  • Memory clock speed of Radeon Pro 580X is 5847 MHz higher, than Radeon R8 M445DX.

Game benchmarks

high / 1080p 35−40 0−1
ultra / 1080p 24−27
QHD / 1440p 18−20 0−1
4K / 2160p 10−12
low / 720p 60−65 1−2
medium / 1080p 45−50 0−1
The average gaming FPS of Radeon Pro 580X in Assassin's Creed Odyssey is 6100% more, than Radeon R8 M445DX.

Full Specs

  Radeon Pro 580X Radeon R8 M445DX
Architecture GCN 4.0 GCN
Code name Polaris 20 Meso
Type Workstation Laptop
Release date 18 March 2019 1 June 2016
Pipelines 2304 704
Core clock speed 1100 MHz 720 / 1020 MHz
Boost Clock 1200 MHz 1021 MHz
Transistor count 5,700 million 1,550 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 172.8 20.42
Memory bus width 256 Bit 128 + 64 Bit
Memory clock speed 6780 MHz 933 / 1000 MHz
Memory bandwidth 217.0 GB/s
Shared memory -
DirectX 12 (12_0) 12 (12_0)
Shader Model 6.4 6.0
OpenGL 4.6 4.6
OpenCL 2.0 2.0
Vulkan 1.2.131 1.2.131
Laptop size medium sized
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