Mobility Radeon HD 5870 vs Radeon R9 M280X

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 5870 and Radeon R9 M280X. 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 5870 and Radeon R9 M280X. 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 5870 and Radeon R9 M280X are Laptop Graphics Cards

Note: Mobility Radeon HD 5870 and Radeon R9 M280X 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 R9 M280X here:

Main Specs

  Mobility Radeon HD 5870 Radeon R9 M280X
Power consumption (TDP) 50 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Memory type DDR3, GDDR3, GDDR5 Not Listed
Maximum RAM amount 1 GB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 5870 is connected by MXM-B (3.0), and Radeon R9 M280X uses PCIe 3.0 x16 interface.
  • Both cards are used in Laptops.
  • Mobility Radeon HD 5870 is build with Terascale 2 architecture, and Radeon R9 M280X - with GCN.
  • Core clock speed of Radeon R9 M280X is 200 MHz higher, than Mobility Radeon HD 5870.
  • Mobility Radeon HD 5870 is manufactured by 40 nm process technology, and Radeon R9 M280X - by 28 nm process technology.

Game benchmarks

high / 1080p 10−11 2−3
ultra / 1080p 6−7 1−2
QHD / 1440p 0−1 0−1
low / 720p 21−24 14−16
medium / 1080p 12−14 4−5
The average gaming FPS of Mobility Radeon HD 5870 in Assassin's Creed Odyssey is 160% more, than Radeon R9 M280X.

Full Specs

  Mobility Radeon HD 5870 Radeon R9 M280X
Architecture Terascale 2 GCN
Code name Broadway-XT Saturn XT
Type Laptop Laptop
Release date 7 January 2010 1 February 2015
Pipelines 800 896
Core clock speed 700 MHz 900 MHz
Transistor count 1,040 million 2,080 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 28.00 61.60
Floating-point performance 1,120.0 gflops 1,792 gflops
Memory bus width 128 Bit
Memory clock speed 1000 MHz
Memory bandwidth 64 GB/s 96 GB/s
Shared memory - -
DirectX 11.2 (11_0)
Shader Model 5.0 6.3
OpenGL 4.4 4.4
OpenCL 1.2 Not Listed
Vulkan N/A
FreeSync +
Bus support Not Listed
Laptop size large large
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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