Quadro K420 vs Radeon R9 270

When comparing Quadro K420 and Radeon R9 270, 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 Quadro K420 and Radeon R9 270 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Main Specs

  Quadro K420 Radeon R9 270
Power consumption (TDP) 41 Watt 150 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors None 1 x 6-pin
Memory type 128 Bit GDDR5
Maximum RAM amount 1 GB/2 GB 2 GB
Display Connectors 1x DVI, 1x DisplayPort 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 270 has 265% more power consumption, than Quadro K420.
  • Quadro K420 is connected by PCIe 2.0 x16, and Radeon R9 270 uses PCIe 3.0 x16 interface.
  • Radeon R9 270 has 1 GB more memory, than Quadro K420.
  • Both cards are used in Desktops.
  • Quadro K420 is build with Kepler architecture, and Radeon R9 270 - with GCN 1.0.
  • Quadro K420 and Radeon R9 270 are manufactured by 28 nm process technology.
  • Radeon R9 270 is 50 mm longer, than Quadro K420.

Game benchmarks

high / 1080p 0−1 21−24
ultra / 1080p 0−1 12−14
QHD / 1440p 0−1 7−8
4K / 2160p 5−6
low / 720p 9−10 40−45
medium / 1080p 1−2 27−30
The average gaming FPS of Radeon R9 270 in Assassin's Creed Odyssey is 600% more, than Quadro K420.

Full Specs

  Quadro K420 Radeon R9 270
Architecture Kepler GCN 1.0
Code name GK107 Curacao
Type Workstation Desktop
Release date 22 July 2014 13 November 2013
Pipelines 192 1280
Core clock speed 876 MHz
Boost Clock 925 MHz
Transistor count 1,270 million 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 14.02 74.00
Floating-point performance 336.4 gflops 2,368 gflops
Length 160 mm 210 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1782 MHz
Memory bandwidth 179.2 GB/s
DirectX 12
Shader Model 5 5.1
OpenGL 4.5 4.6
OpenCL 1.2 1.2
Vulkan + +
CUDA 3.0
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 11 Mh/s 293 Mh/s
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 16 Mh/s
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
LiquidVR +
TressFX +
UVD +
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