Quadro FX 5800 vs Radeon R9 M365X

If you are going to buy a new graphics card and are choosing between Quadro FX 5800 and Radeon R9 M365X, 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 5800 stacks up against Radeon R9 M365X, check out specs charts below.

Radeon R9 M365X is a Laptop Graphics Card

Note: Radeon R9 M365X 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 M365X here:

Main Specs

  Quadro FX 5800 Radeon R9 M365X
Power consumption (TDP) 189 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type GDDR3 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors 2x DVI, 1x DisplayPort, 1x S-Video No outputs
  Check Price Check Price
  • Quadro FX 5800 is connected by PCIe 2.0 x16, and Radeon R9 M365X uses PCIe 3.0 x16 interface.
  • Quadro FX 5800 and Radeon R9 M365X have maximum RAM of 4 GB.
  • Quadro FX 5800 is used in Desktops, and Radeon R9 M365X - in Laptops.
  • Quadro FX 5800 is build with Tesla 2.0 architecture, and Radeon R9 M365X - with GCN.
  • Core clock speed of Radeon R9 M365X is 290 MHz higher, than Quadro FX 5800.
  • Quadro FX 5800 is manufactured by 55 nm process technology, and Radeon R9 M365X - by 28 nm process technology.
  • Memory clock speed of Quadro FX 5800 is 475 MHz higher, than Radeon R9 M365X.

Game benchmarks

high / 1080p 3−4 6−7
ultra / 1080p 1−2 4−5
QHD / 1440p 0−1 0−1
low / 720p 14−16 16−18
medium / 1080p 5−6 8−9
The average gaming FPS of Radeon R9 M365X in Assassin's Creed Odyssey is 50% more, than Quadro FX 5800.

Full Specs

  Quadro FX 5800 Radeon R9 M365X
Architecture Tesla 2.0 GCN
Code name GT200B Tropo
Type Workstation Laptop
Release date 11 November 2008 6 May 2015
Pipelines 240 640
Core clock speed 610 MHz 900 MHz
Boost Clock 925 MHz
Transistor count 1,400 million 1,500 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 48.80 37.00
Floating-point performance 622.1 gflops 1,184 gflops
Length 267 mm
Memory bus width 512 Bit 128 Bit
Memory clock speed 1600 MHz 1125 MHz
Memory bandwidth 102.4 GB/s 72 GB/s
Shared memory -
DirectX 11.1 (10_0)
Shader Model 4.0 5.1
OpenGL 3.3 4.4
OpenCL 1.1 Not Listed
Vulkan N/A
CUDA 1.3
FreeSync +
Bus support PCIe 3.0
Laptop size medium sized
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
  Check Price Check Price