Quadro FX 5800 vs Radeon R9 M385X

In this comparison between Quadro FX 5800 and Radeon R9 M385X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Quadro FX 5800 will be the best choice, for others Radeon R9 M385X will be their preference. Study the comparison tables below and make your choice.

Radeon R9 M385X is a Laptop Graphics Card

Note: Radeon R9 M385X 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 M385X here:

Main Specs

  Quadro FX 5800 Radeon R9 M385X
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
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  • Quadro FX 5800 is connected by PCIe 2.0 x16, and Radeon R9 M385X uses PCIe 3.0 x16 interface.
  • Quadro FX 5800 and Radeon R9 M385X have maximum RAM of 4 GB.
  • Quadro FX 5800 is used in Desktops, and Radeon R9 M385X - in Laptops.
  • Quadro FX 5800 is build with Tesla 2.0 architecture, and Radeon R9 M385X - with GCN.
  • Core clock speed of Radeon R9 M385X is 490 MHz higher, than Quadro FX 5800.
  • Quadro FX 5800 is manufactured by 55 nm process technology, and Radeon R9 M385X - by 28 nm process technology.
  • Memory clock speed of Quadro FX 5800 is 100 MHz higher, than Radeon R9 M385X.

Game benchmarks

high / 1080p 3−4 8−9
ultra / 1080p 1−2 5−6
QHD / 1440p 0−1 0−1
low / 720p 14−16 18−20
medium / 1080p 5−6 10−11
The average gaming FPS of Radeon R9 M385X in Assassin's Creed Odyssey is 66% more, than Quadro FX 5800.

Full Specs

  Quadro FX 5800 Radeon R9 M385X
Architecture Tesla 2.0 GCN
Code name GT200B Strato-XT-M3
Type Workstation Laptop
Release date 11 November 2008 16 June 2015
Pipelines 240 896
Core clock speed 610 MHz 1100 MHz
Boost Clock 1100 MHz
Transistor count 1,400 million 2,080 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 48.80 61.60
Floating-point performance 622.1 gflops 1,971 gflops
Length 267 mm
Memory bus width 512 Bit 128 Bit
Memory clock speed 1600 MHz 1500 MHz
Memory bandwidth 102.4 GB/s 76.8 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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