Quadro FX 3800 vs Radeon R9 M390X

If you are going to buy a new graphics card and are choosing between Quadro FX 3800 and Radeon R9 M390X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Quadro FX 3800 stacks up against Radeon R9 M390X, check out specs charts below.

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 FX 3800 Radeon R9 M390X
Power consumption (TDP) 108 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 1 GB 4 GB
Display Connectors 1x DVI, 2x DisplayPort No outputs
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  • Quadro FX 3800 has 8% more power consumption, than Radeon R9 M390X.
  • Quadro FX 3800 is connected by PCIe 2.0 x16, and Radeon R9 M390X uses PCIe 3.0 x16 interface.
  • Radeon R9 M390X has 3 GB more memory, than Quadro FX 3800.
  • Quadro FX 3800 is used in Desktops, and Radeon R9 M390X - in Laptops.
  • Quadro FX 3800 is build with Tesla 2.0 architecture, and Radeon R9 M390X - with GCN 3.
  • Core clock speed of Radeon R9 M390X is 123 MHz higher, than Quadro FX 3800.
  • Quadro FX 3800 is manufactured by 55 nm process technology, and Radeon R9 M390X - by 28 nm process technology.

Game benchmarks

high / 1080p 0−1 21−24
ultra / 1080p 0−1 12−14
QHD / 1440p 0−1 8−9
4K / 2160p 5−6
low / 720p 10−11 40−45
medium / 1080p 1−2 27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 483% more, than Quadro FX 3800.

Full Specs

  Quadro FX 3800 Radeon R9 M390X
Architecture Tesla 2.0 GCN 3
Code name GT200B Amethyst (XT) / Tonga
Type Workstation Laptop
Release date 30 March 2009 9 June 2015
Pipelines 192 2048
Core clock speed 600 MHz 723 MHz
Transistor count 1,400 million 5,000 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 38.40 92.54
Floating-point performance 462.3 gflops 2,961 gflops
Length 198 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 1600 MHz
Memory bandwidth 51.2 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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