Quadro K420 vs Radeon R9 270X

Find out if it is worth upgrading your current GPU setup by comparing Quadro K420 and Radeon R9 270X. 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 K420 and Radeon R9 270X. 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

  Quadro K420 Radeon R9 270X
Power consumption (TDP) 41 Watt 180 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors None 2 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 270X has 339% more power consumption, than Quadro K420.
  • Quadro K420 is connected by PCIe 2.0 x16, and Radeon R9 270X uses PCIe 3.0 x16 interface.
  • Radeon R9 270X has 1 GB more memory, than Quadro K420.
  • Both cards are used in Desktops.
  • Quadro K420 is build with Kepler architecture, and Radeon R9 270X - with GCN.
  • Quadro K420 and Radeon R9 270X are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 0−1 24−27
ultra / 1080p 0−1 14−16
QHD / 1440p 0−1 10−11
4K / 2160p 6−7
low / 720p 9−10 45−50
medium / 1080p 1−2 30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 700% more, than Quadro K420.

Full Specs

  Quadro K420 Radeon R9 270X
Architecture Kepler GCN
Code name GK107 Curacao XT
Type Workstation Desktop
Release date 22 July 2014 8 October 2013
Pipelines 192 1280
Core clock speed 876 MHz
Boost Clock 1050 MHz
Transistor count 1,270 million 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 14.02 84.00
Floating-point performance 336.4 gflops 2,688 gflops
Length 160 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1782 MHz
Memory bandwidth 179.2 GB/s
Shared memory -
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 318 Mh/s
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 30 Mh/s
Zcash / ZEC (Equihash) 163 Sol/s
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
AppAcceleration +
LiquidVR +
TressFX +
UVD +
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