Radeon HD 5870 vs Radeon R9 M390

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 5870 and Radeon R9 M390. 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 R9 M390. 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 R9 M390 is a Laptop Graphics Card

Note: Radeon R9 M390 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 R9 M390 here:

Main Specs

  Radeon HD 5870 Radeon R9 M390
Power consumption (TDP) 188 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 M390 has 1 GB more memory, than Radeon HD 5870.
  • Radeon HD 5870 is used in Desktops, and Radeon R9 M390 - in Laptops.
  • Radeon HD 5870 is build with TeraScale 2 architecture, and Radeon R9 M390 - with GCN.
  • Radeon HD 5870 is manufactured by 40 nm process technology, and Radeon R9 M390 - by 28 nm process technology.

Game benchmarks

high / 1080p 10−12 18−20
ultra / 1080p 6−7 10−11
QHD / 1440p 1−2 5−6
4K / 2160p 4−5
low / 720p 24−27 35−40
medium / 1080p 14−16 21−24
The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 72% more, than Radeon HD 5870.

Full Specs

  Radeon HD 5870 Radeon R9 M390
Architecture TeraScale 2 GCN
Code name Cypress Pitcairn
Type Desktop Laptop
Release date 23 September 2009 9 June 2015
Pipelines 1600 1024
Core clock speed 850 MHz
Transistor count 2,154 million 5000 Million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 68.00
Floating-point performance 2,720.0 gflops
Length 282 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 4800 MHz
Memory bandwidth 153.6 GB/s
Shared memory -
DirectX 11.2 (11_0)
Shader Model 5.0
OpenGL 4.4 4.4
OpenCL 1.2 Not Listed
Vulkan N/A
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 242 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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