GRID K280Q vs Radeon R9 M385X

When comparing GRID K280Q and Radeon R9 M385X, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GRID K280Q and Radeon R9 M385X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

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

  GRID K280Q Radeon R9 M385X
Power consumption (TDP) 225 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs No outputs
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  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • GRID K280Q and Radeon R9 M385X have maximum RAM of 4 GB.
  • GRID K280Q is used in Desktops, and Radeon R9 M385X - in Laptops.
  • GRID K280Q is build with Kepler architecture, and Radeon R9 M385X - with GCN.
  • Core clock speed of Radeon R9 M385X is 355 MHz higher, than GRID K280Q.
  • GRID K280Q and Radeon R9 M385X are manufactured by 28 nm process technology.
  • Memory clock speed of GRID K280Q is 3500 MHz higher, than Radeon R9 M385X.

Game benchmarks

high / 1080p 12−14 8−9
ultra / 1080p 7−8 5−6
QHD / 1440p 1−2 0−1
low / 720p 24−27 18−20
medium / 1080p 14−16 10−11
The average gaming FPS of GRID K280Q in Assassin's Creed Odyssey is 50% more, than Radeon R9 M385X.

Full Specs

  GRID K280Q Radeon R9 M385X
Architecture Kepler GCN
Code name GK104 Strato-XT-M3
Type Workstation Laptop
Release date 28 June 2013 16 June 2015
Pipelines 1536 896
Core clock speed 745 MHz 1100 MHz
Boost Clock 1100 MHz
Transistor count 3,540 million 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 95.36 61.60
Floating-point performance 2,289 gflops 1,971 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 5000 MHz 1500 MHz
Memory bandwidth 160.0 GB/s 76.8 GB/s
Shared memory -
DirectX 12 (11_0)
Shader Model 5.1 6.3
OpenGL 4.6 4.4
OpenCL 1.2 Not Listed
Vulkan 1.1.126
CUDA 3.0
FreeSync +
Bus support PCIe 3.0
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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