GRID K260Q vs Radeon R9 390X

Find out if it is worth upgrading your current GPU setup by comparing GRID K260Q and Radeon R9 390X. 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 GRID K260Q and Radeon R9 390X. 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.

Main Specs

  GRID K260Q Radeon R9 390X
Power consumption (TDP) 225 Watt 275 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin, 1 x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 390X has 22% more power consumption, than GRID K260Q.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Both cards are used in Desktops.
  • GRID K260Q is build with Kepler architecture, and Radeon R9 390X - with GCN.
  • GRID K260Q and Radeon R9 390X are manufactured by 28 nm process technology.
  • Memory clock speed of GRID K260Q is 3950 MHz higher, than Radeon R9 390X.

Game benchmarks

high / 1080p 14−16 50−55
ultra / 1080p 9−10 30−35
QHD / 1440p 3−4 24−27
4K / 2160p 14−16
low / 720p 30−35 75−80
medium / 1080p 18−20 55−60
The average gaming FPS of Radeon R9 390X in Assassin's Creed Odyssey is 226% more, than GRID K260Q.

Full Specs

  GRID K260Q Radeon R9 390X
Architecture Kepler GCN
Code name GK104 Grenada XT
Type Workstation Desktop
Release date 28 June 2013 16 June 2015
Pipelines 1536 2816
Core clock speed 745 MHz
Boost Clock 1050 MHz
Transistor count 3,540 million 6,200 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 95.36 184.8
Floating-point performance 2,289 gflops 5,914 gflops
Length 275 mm
Memory bus width 256 Bit 512 Bit
Memory clock speed 5000 MHz 1050 MHz
Memory bandwidth 160.0 GB/s 384 GB/s
Shared memory -
DirectX 12 (11_0)
Shader Model 5.1 6.3
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 +
CUDA 3.0
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 684 Mh/s
Eyefinity +
PowerTune +
TrueAudio +
Mantle +
Design reference
Bridgeless CrossFire +
Number of Eyefinity displays 6
DisplayPort support +
CrossFire +
VCE +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 27.5 Mh/s
High bandwidth memory (HBM) -
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