Mobility Radeon HD 5870 vs Radeon HD 8870M

When comparing Mobility Radeon HD 5870 and Radeon HD 8870M, 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 Mobility Radeon HD 5870 and Radeon HD 8870M is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Mobility Radeon HD 5870 and Radeon HD 8870M are Laptop Graphics Cards

Note: Mobility Radeon HD 5870 and Radeon HD 8870M 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 5870 or Radeon HD 8870M here:

Main Specs

  Mobility Radeon HD 5870 Radeon HD 8870M
Power consumption (TDP) 50 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Memory type DDR3, GDDR3, GDDR5 GDDR5, DDR3
Maximum RAM amount 1 GB 2 GB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 5870 is connected by MXM-B (3.0), and Radeon HD 8870M uses PCIe 3.0 x16 interface.
  • Radeon HD 8870M has 1 GB more memory, than Mobility Radeon HD 5870.
  • Both cards are used in Laptops.
  • Mobility Radeon HD 5870 is build with Terascale 2 architecture, and Radeon HD 8870M - with GCN.
  • Core clock speed of Radeon HD 8870M is 25 MHz higher, than Mobility Radeon HD 5870.
  • Mobility Radeon HD 5870 is manufactured by 40 nm process technology, and Radeon HD 8870M - by 28 nm process technology.
  • Memory clock speed of Radeon HD 8870M is 3500 MHz higher, than Mobility Radeon HD 5870.

Game benchmarks

high / 1080p 10−11 7−8
ultra / 1080p 6−7 4−5
QHD / 1440p 0−1 0−1
low / 720p 21−24 18−20
medium / 1080p 12−14 9−10
The average gaming FPS of Mobility Radeon HD 5870 in Assassin's Creed Odyssey is 30% more, than Radeon HD 8870M.

Full Specs

  Mobility Radeon HD 5870 Radeon HD 8870M
Architecture Terascale 2 GCN
Code name Broadway-XT Venus
Type Laptop Laptop
Release date 7 January 2010 18 December 2012
Pipelines 800 640
Core clock speed 700 MHz 725 MHz
Boost Clock 775 MHz
Transistor count 1,040 million 1,500 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 28.00 31.00
Floating-point performance 1,120.0 gflops 992.0 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 1000 MHz 4500 MHz
Memory bandwidth 64 GB/s 72 GB/s
Shared memory - -
DirectX 11.2 (11_0) 12 (11_1)
Shader Model 5.0 5.1
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan N/A 1.2.131
Bitcoin / BTC (SHA256) 107 Mh/s
Laptop size large large
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