Quadro CX vs Radeon R9 M390X

Find out if it is worth upgrading your current GPU setup by comparing Quadro CX 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 Quadro CX 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.

Radeon R9 M390X is a Laptop Graphics Card

Note: Radeon R9 M390X 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 M390X here:

Main Specs

  Quadro CX Radeon R9 M390X
Power consumption (TDP) 150 Watt 100 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin None
Memory type GDDR3 GDDR5
Maximum RAM amount 1536 MB 4 GB
Display Connectors 1x DVI, 2x DisplayPort, 1x S-Video No outputs
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  • Quadro CX has 50% more power consumption, than Radeon R9 M390X.
  • Quadro CX is connected by PCIe 2.0 x16, and Radeon R9 M390X uses PCIe 3.0 x16 interface.
  • Quadro CX has 1532 GB more memory, than Radeon R9 M390X.
  • Quadro CX is used in Desktops, and Radeon R9 M390X - in Laptops.
  • Quadro CX is build with Tesla 2.0 architecture, and Radeon R9 M390X - with GCN 3.
  • Core clock speed of Radeon R9 M390X is 121 MHz higher, than Quadro CX.
  • Quadro CX is manufactured by 55 nm process technology, and Radeon R9 M390X - by 28 nm process technology.

Game benchmarks

high / 1080p 1−2 21−24
ultra / 1080p 0−1 12−14
QHD / 1440p 0−1 8−9
4K / 2160p 5−6
low / 720p 10−12 40−45
medium / 1080p 2−3 27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 520% more, than Quadro CX.

Full Specs

  Quadro CX Radeon R9 M390X
Architecture Tesla 2.0 GCN 3
Code name GT200B Amethyst (XT) / Tonga
Type Workstation Laptop
Release date 11 November 2008 9 June 2015
Pipelines 192 2048
Core clock speed 602 MHz 723 MHz
Transistor count 1,400 million 5,000 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 38.53 92.54
Floating-point performance 462.3 gflops 2,961 gflops
Length 267 mm
Memory bus width 384 Bit 256 Bit
Memory clock speed 1600 MHz
Memory bandwidth 76.8 GB/s 160.0 GB/s
Shared memory -
DirectX 11.1 (10_0)
Shader Model 4.0 6.3
OpenGL 3.3 4.4
OpenCL 1.1 Not Listed
Vulkan N/A +
CUDA 1.3
FreeSync +
Bus support PCIe 3.0
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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