Radeon HD 5870 vs Radeon Pro 455

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 5870 and Radeon Pro 455. 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 HD 5870 and Radeon Pro 455. 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 Pro 455 is a Laptop Graphics Card

Note: Radeon Pro 455 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 455 here:

Main Specs

  Radeon HD 5870 Radeon Pro 455
Power consumption (TDP) 188 Watt 35 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Supplementary power connectors 2x 6-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Radeon HD 5870 has 437% more power consumption, than Radeon Pro 455.
  • Radeon HD 5870 is connected by PCIe 2.0 x16, and Radeon Pro 455 uses PCIe 3.0 x8 interface.
  • Radeon Pro 455 has 1 GB more memory, than Radeon HD 5870.
  • Radeon HD 5870 is used in Desktops, and Radeon Pro 455 - in Mobile workstations.
  • Radeon HD 5870 is build with TeraScale 2 architecture, and Radeon Pro 455 - with Polaris.
  • Core clock speed of Radeon Pro 455 is 5 MHz higher, than Radeon HD 5870.
  • Radeon HD 5870 is manufactured by 40 nm process technology, and Radeon Pro 455 - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 455 is 200 MHz higher, than Radeon HD 5870.

Game benchmarks

high / 1080p 10−12 16−18
ultra / 1080p 6−7 9−10
QHD / 1440p 1−2 4−5
4K / 2160p 4−5
low / 720p 24−27 30−35
medium / 1080p 14−16 20−22
The average gaming FPS of Radeon Pro 455 in Assassin's Creed Odyssey is 45% more, than Radeon HD 5870.

Full Specs

  Radeon HD 5870 Radeon Pro 455
Architecture TeraScale 2 Polaris
Code name Cypress Polaris 11
Type Desktop Mobile workstation
Release date 23 September 2009 27 October 2016
Pipelines 1600 768
Core clock speed 850 MHz 855 MHz
Transistor count 2,154 million 3,000 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 68.00 41.04
Floating-point performance 2,720.0 gflops 1,313 gflops
Length 282 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 4800 MHz 5000 MHz
Memory bandwidth 153.6 GB/s 81.28 GB/s
Shared memory -
DirectX 11.2 (11_0) 12 (12_0)
Shader Model 5.0 6.4
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan N/A 1.2.131
FreeSync +
Bitcoin / BTC (SHA256) 163 Mh/s
Laptop size large
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