GeForce GTX 780M vs Radeon R9 M390X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 780M 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 GTX 780M 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 GTX 780M and Radeon R9 M390X are Laptop Graphics Cards

Note: GeForce GTX 780M 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 GTX 780M or Radeon R9 M390X here:

Main Specs

  GeForce GTX 780M Radeon R9 M390X
Power consumption (TDP) 122 Watt 100 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors None None
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 780M has 22% more power consumption, than Radeon R9 M390X.
  • GeForce GTX 780M is connected by MXM-B (3.0), and Radeon R9 M390X uses PCIe 3.0 x16 interface.
  • GeForce GTX 780M and Radeon R9 M390X have maximum RAM of 4 GB.
  • Both cards are used in Laptops.
  • GeForce GTX 780M is build with Kepler architecture, and Radeon R9 M390X - with GCN 3.
  • Core clock speed of GeForce GTX 780M is 100 MHz higher, than Radeon R9 M390X.
  • GeForce GTX 780M and Radeon R9 M390X are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 20−22 21−24
ultra / 1080p 12−14 12−14
QHD / 1440p 6−7 8−9
4K / 2160p 5−6 5−6
low / 720p 40−45 40−45
medium / 1080p 24−27 27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 5% more, than GeForce GTX 780M.

Full Specs

  GeForce GTX 780M Radeon R9 M390X
Architecture Kepler GCN 3
Code name N14E-GTX Amethyst (XT) / Tonga
Type Laptop Laptop
Release date 30 May 2013 9 June 2015
Pipelines 1536 2048
Core clock speed 823 MHz 723 MHz
Boost Clock 797 MHz
Transistor count 3,540 million 5,000 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 102.0 92.54
Floating-point performance 2,448 gflops 2,961 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 2500 MHz
Memory bandwidth 160.0 GB/s 160.0 GB/s
Shared memory - -
DirectX 12 API
Shader Model 5.1 6.3
OpenGL 4.5 4.4
OpenCL 1.1 Not Listed
Vulkan 1.1.126 +
CUDA +
FreeSync +
CUDA cores 1536
Bus support PCI Express 3.0, PCI Express 2.0 PCIe 3.0
SLI options +
HDMI +
Bitcoin / BTC (SHA256) 82 Mh/s
Laptop size large large
Standard memory configuration GDDR5
eDP 1.2 signal support Up to 3840x2160
LVDS signal support Up to 1920x1200
DisplayPort Multimode (DP++) support Up to 3840x2160
HDCP content protection +
7.1 channel HD audio on HDMI +
TrueHD and DTS-HD audio bitstreaming +
H.264, VC1, MPEG2 1080p video decoder +
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Blu-Ray 3D Support +
3D Vision / 3DTV Play +
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