Quadro P400 vs Radeon R9 M385

Find out if it is worth upgrading your current GPU setup by comparing Quadro P400 and Radeon R9 M385. 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 P400 and Radeon R9 M385. 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 M385 is a Laptop Graphics Card

Note: Radeon R9 M385 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 M385 here:

Main Specs

  Quadro P400 Radeon R9 M385
Power consumption (TDP) 30 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 3x mini-DisplayPort No outputs
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  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R9 M385 has 2 GB more memory, than Quadro P400.
  • Quadro P400 is used in Desktops, and Radeon R9 M385 - in Laptops.
  • Quadro P400 is build with Pascal architecture, and Radeon R9 M385 - with GCN.
  • Quadro P400 is manufactured by 14 nm process technology, and Radeon R9 M385 - by 28 nm process technology.
  • Memory clock speed of Quadro P400 is 2508 MHz higher, than Radeon R9 M385.

Game benchmarks

high / 1080p 7−8 10−12
ultra / 1080p 4−5 6−7
QHD / 1440p 0−1 1−2
low / 720p 18−20 24−27
medium / 1080p 9−10 12−14
The average gaming FPS of Radeon R9 M385 in Assassin's Creed Odyssey is 40% more, than Quadro P400.

Full Specs

  Quadro P400 Radeon R9 M385
Architecture Pascal GCN
Code name GP107 Strato
Type Workstation Laptop
Release date 7 February 2017 16 June 2015
Pipelines 256 896
Core clock speed 1228 MHz
Boost Clock 1252 MHz 1100 MHz
Transistor count 3,300 million 2,080 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 20.03 56.00
Floating-point performance 679.9 gflops 1,792 gflops
Length 145 mm
Memory bus width 64 Bit 128 Bit
Memory clock speed 4008 MHz 1500 MHz
Memory bandwidth 32.06 GB/s 76.8 GB/s
Shared memory -
DirectX 12 (12_1)
Shader Model 6.4 6.3
OpenGL 4.6 4.4
OpenCL 1.2 Not Listed
Vulkan 1.2.131
CUDA 6.1
FreeSync +
Bus support PCIe 3.0
Laptop size medium sized
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
TrueAudio +
ZeroCore +
Switchable graphics +
Mantle +
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