GeForce 825M vs Radeon R9 M390X

Find out if it is worth upgrading your current GPU setup by comparing GeForce 825M and Radeon R9 M390X. 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 GeForce 825M and Radeon R9 M390X. 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.

GeForce 825M and Radeon R9 M390X are Laptop Graphics Cards

Note: GeForce 825M and Radeon R9 M390X 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 GeForce 825M or Radeon R9 M390X here:

Main Specs

  GeForce 825M Radeon R9 M390X
Power consumption (TDP) 33 Watt 100 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs No outputs
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  • Radeon R9 M390X has 203% more power consumption, than GeForce 825M.
  • GeForce 825M is connected by PCIe 3.0 x8, and Radeon R9 M390X uses PCIe 3.0 x16 interface.
  • Radeon R9 M390X has 2 GB more memory, than GeForce 825M.
  • Both cards are used in Laptops.
  • GeForce 825M is build with Kepler architecture, and Radeon R9 M390X - with GCN 3.
  • Core clock speed of GeForce 825M is 127 MHz higher, than Radeon R9 M390X.
  • GeForce 825M and Radeon R9 M390X are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 0−1 21−24
ultra / 1080p 12−14
QHD / 1440p 0−1 8−9
4K / 2160p 5−6
low / 720p 2−3 40−45
medium / 1080p 0−1 27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 2000% more, than GeForce 825M.

Full Specs

  GeForce 825M Radeon R9 M390X
Architecture Kepler GCN 3
Code name GK208 Amethyst (XT) / Tonga
Type Laptop Laptop
Release date 27 January 2014 9 June 2015
Pipelines 384 2048
Core clock speed 850 MHz 723 MHz
Boost Clock 941 MHz
Transistor count 915 million 5,000 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 30.11 92.54
Floating-point performance 722.7 gflops 2,961 gflops
Memory bus width 64 Bit 256 Bit
Memory clock speed 1800 MHz
Memory bandwidth 14.4 GB/s 160.0 GB/s
Shared memory - -
DirectX 12 (11_0)
Shader Model 5.1 6.3
OpenGL 4.6 4.4
OpenCL 1.2 Not Listed
Vulkan 1.1.126 +
CUDA +
FreeSync +
Bus support PCIe 3.0
Laptop size medium sized large
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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