GeForce GTX 680 vs Radeon R9 M390

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 680 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 GeForce GTX 680 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

  GeForce GTX 680 Radeon R9 M390
Power consumption (TDP) 195 Watt
Interface PCIe 3.0 x16
Supplementary power connectors Two 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2048 MB 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • GeForce GTX 680 has 2046 GB more memory, than Radeon R9 M390.
  • GeForce GTX 680 is used in Desktops, and Radeon R9 M390 - in Laptops.
  • GeForce GTX 680 is build with Kepler architecture, and Radeon R9 M390 - with GCN.
  • GeForce GTX 680 and Radeon R9 M390 are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 35−40 18−20
ultra / 1080p 21−24 10−11
QHD / 1440p 16−18 5−6
4K / 2160p 10−11 4−5
low / 720p 60−65 35−40
medium / 1080p 40−45 21−24
The average gaming FPS of GeForce GTX 680 in Assassin's Creed Odyssey is 100% more, than Radeon R9 M390.

Full Specs

  GeForce GTX 680 Radeon R9 M390
Architecture Kepler GCN
Code name GK104 Pitcairn
Type Desktop Laptop
Release date 22 March 2012 9 June 2015
Pipelines 1536 1024
Core clock speed 1006 MHz
Boost Clock 1058 MHz
Transistor count 3,540 million 5000 Million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 128.8 billion/sec
Floating-point performance 3,090.4 gflops
Length 10.0" (25.4 cm)
Memory bus width 256-bit GDDR5 256 Bit
Memory clock speed 6000 MHz
Memory bandwidth 192.2 GB/s
Shared memory - -
DirectX 12 (11_0)
Shader Model 5.1
OpenGL 4.2 4.4
OpenCL 1.2 Not Listed
Vulkan 1.1.126
CUDA +
FreeSync +
CUDA cores 1536
Bus support PCI Express 3.0 PCIe 3.0
Height 4.376" (11.1 cm)
SLI options +
Multi monitor support 4 displays
HDMI +
HDCP +
Maximum VGA resolution 2048x1536
Audio input for HDMI Internal
Bitcoin / BTC (SHA256) 121 Mh/s 242 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Ethereum / ETH (DaggerHashimoto) 15 Mh/s
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