Radeon R9 M280X vs Radeon R9 M385

Find out if it is worth upgrading your current GPU setup by comparing Radeon R9 M280X and Radeon R9 M385. 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 R9 M280X and Radeon R9 M385. 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 M280X and Radeon R9 M385 are Laptop Graphics Cards

Note: Radeon R9 M280X and Radeon R9 M385 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 Radeon R9 M280X or Radeon R9 M385 here:

Main Specs

  Radeon R9 M280X Radeon R9 M385
Interface PCIe 3.0 x16 PCIe 3.0 x16
Memory type Not Listed GDDR5
Maximum RAM amount 4 GB
Display Connectors No outputs No outputs
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  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Both cards are used in Laptops.
  • Radeon R9 M280X and Radeon R9 M385 are build with GCN architecture.
  • Radeon R9 M280X and Radeon R9 M385 are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 2−3 10−12
ultra / 1080p 1−2 6−7
QHD / 1440p 0−1 1−2
low / 720p 14−16 24−27
medium / 1080p 4−5 12−14
The average gaming FPS of Radeon R9 M385 in Assassin's Creed Odyssey is 180% more, than Radeon R9 M280X.

Full Specs

  Radeon R9 M280X Radeon R9 M385
Architecture GCN GCN
Code name Saturn XT Strato
Type Laptop Laptop
Release date 1 February 2015 16 June 2015
Pipelines 896 896
Core clock speed 900 MHz
Boost Clock 1100 MHz
Transistor count 2,080 million 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 61.60 56.00
Floating-point performance 1,792 gflops 1,792 gflops
Memory bus width 128 Bit
Memory clock speed 1500 MHz
Memory bandwidth 96 GB/s 76.8 GB/s
Shared memory - -
Shader Model 6.3 6.3
OpenGL 4.4 4.4
OpenCL Not Listed Not Listed
FreeSync + +
Bus support Not Listed PCIe 3.0
Laptop size large medium sized
Eyefinity +
HD3D + +
PowerTune + +
DualGraphics + +
TrueAudio +
ZeroCore + +
Switchable graphics + +
Mantle + +
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