GeForce GTX 1080 Max Q vs Radeon R9 390X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 1080 Max Q and Radeon R9 390X. 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 1080 Max Q and Radeon R9 390X. 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 1080 Max Q is a Laptop Graphics Card

Note: GeForce GTX 1080 Max Q 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 GeForce GTX 1080 Max Q here:

Main Specs

  GeForce GTX 1080 Max Q Radeon R9 390X
Power consumption (TDP) 150 Watt 275 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None 1 x 6-pin, 1 x 8-pin
Memory type GDDR5X GDDR5
Maximum RAM amount 8 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 390X has 83% more power consumption, than GeForce GTX 1080 Max Q.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • GeForce GTX 1080 Max Q is used in Laptops, and Radeon R9 390X - in Desktops.
  • GeForce GTX 1080 Max Q is build with Pascal architecture, and Radeon R9 390X - with GCN.
  • GeForce GTX 1080 Max Q is manufactured by 16 nm process technology, and Radeon R9 390X - by 28 nm process technology.
  • Memory clock speed of GeForce GTX 1080 Max Q is 8950 MHz higher, than Radeon R9 390X.

Game benchmarks

high / 1080p 50−55 50−55
ultra / 1080p 35−40 30−35
QHD / 1440p 27−30 24−27
4K / 2160p 16−18 14−16
low / 720p 80−85 75−80
medium / 1080p 60−65 55−60
The average gaming FPS of GeForce GTX 1080 Max Q in Assassin's Creed Odyssey is 6% more, than Radeon R9 390X.

Full Specs

  GeForce GTX 1080 Max Q Radeon R9 390X
Architecture Pascal GCN
Code name N17E-G3 Max-Q Grenada XT
Type Laptop Desktop
Release date 30 May 2017 16 June 2015
Pipelines 2560 2816
Core clock speed 1101 - 1290 MHz
Boost Clock 1278 - 1468 MHz 1050 MHz
Transistor count 7,200 million 6,200 million
Manufacturing process technology 16 nm 28 nm
Texture fill rate 234.9 184.8
Floating-point performance 7,516 gflops 5,914 gflops
Length 275 mm
Memory bus width 256 Bit 512 Bit
Memory clock speed 10000 MHz 1050 MHz
Memory bandwidth 320.3 GB/s 384 GB/s
Shared memory - -
G-SYNC support +
VR Ready +
DirectX 12 (12_1)
Shader Model 6.4 6.3
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131 +
CUDA 6.1
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 684 Mh/s
Laptop size large
Eyefinity +
PowerTune +
TrueAudio +
Mantle +
Design reference
Bridgeless CrossFire +
Number of Eyefinity displays 6
DisplayPort support +
CrossFire +
VCE +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 27.5 Mh/s
High bandwidth memory (HBM) -
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