Mobility Radeon HD 4870 X2 vs Radeon Pro 450

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4870 X2 and Radeon Pro 450. 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 Mobility Radeon HD 4870 X2 and Radeon Pro 450. 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.

Mobility Radeon HD 4870 X2 and Radeon Pro 450 are Laptop Graphics Cards

Note: Mobility Radeon HD 4870 X2 and Radeon Pro 450 are only used in laptop graphics. They have 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 Mobility Radeon HD 4870 X2 or Radeon Pro 450 here:

Main Specs

  Mobility Radeon HD 4870 X2 Radeon Pro 450
Power consumption (TDP) 35 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Memory type GDDR3, GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and Radeon Pro 450 uses PCIe 3.0 x8 interface.
  • Mobility Radeon HD 4870 X2 and Radeon Pro 450 have maximum RAM of 2 GB.
  • Mobility Radeon HD 4870 X2 is used in Laptops, and Radeon Pro 450 - in Mobile workstations.
  • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Radeon Pro 450 - with Polaris.
  • Core clock speed of Radeon Pro 450 is 250 MHz higher, than Mobility Radeon HD 4870 X2.
  • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon Pro 450 - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 450 is 4192 MHz higher, than Mobility Radeon HD 4870 X2.

Game benchmarks

high / 1080p 9−10 14−16
ultra / 1080p 5−6 8−9
QHD / 1440p 0−1 3−4
low / 720p 21−24 27−30
medium / 1080p 12−14 16−18
The average gaming FPS of Radeon Pro 450 in Assassin's Creed Odyssey is 41% more, than Mobility Radeon HD 4870 X2.

Full Specs

  Mobility Radeon HD 4870 X2 Radeon Pro 450
Architecture Terascale 1 Polaris
Code name M98-XT Polaris 11
Type Laptop Mobile workstation
Release date 9 January 2009 27 October 2016
Pipelines 1600 640
Core clock speed 550 MHz 800 MHz
Transistor count 956 million 3,000 million
Manufacturing process technology 55 nm 14 nm
Texture fill rate 22.00 32.00
Floating-point performance 2x 880.0 gflops 1,024 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 888 MHz 5080 MHz
Memory bandwidth 89.6 GB/s 81.28 GB/s
Shared memory - -
DirectX 10.1 (10_1) 12 (12_0)
Shader Model 4.1 6.4
OpenGL 3.3 4.6
OpenCL 1.1 2.0
Vulkan N/A 1.2.131
FreeSync +
Bitcoin / BTC (SHA256) 127 Mh/s
Laptop size large large
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