Quadro K620M vs Radeon R7 250X

Find out if it is worth upgrading your current GPU setup by comparing Quadro K620M and Radeon R7 250X. 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 K620M and Radeon R7 250X. 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.

Quadro K620M is a Laptop Graphics Card

Note: Quadro K620M 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 Quadro K620M here:

Main Specs

  Quadro K620M Radeon R7 250X
Power consumption (TDP) 30 Watt 80 Watt
Interface MXM-A (3.0) PCIe 3.0 x16
Supplementary power connectors None 1 x 6-pin
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon R7 250X has 166% more power consumption, than Quadro K620M.
  • Quadro K620M is connected by MXM-A (3.0), and Radeon R7 250X uses PCIe 3.0 x16 interface.
  • Quadro K620M and Radeon R7 250X have maximum RAM of 2 GB.
  • Quadro K620M is used in Mobile workstations, and Radeon R7 250X - in Desktops.
  • Quadro K620M is build with Maxwell architecture, and Radeon R7 250X - with GCN 1.0.
  • Quadro K620M and Radeon R7 250X are manufactured by 28 nm process technology.
  • Memory clock speed of Quadro K620M is 375 MHz higher, than Radeon R7 250X.

Game benchmarks

high / 1080p 3−4 10−12
ultra / 1080p 1−2 6−7
QHD / 1440p 0−1 1−2
low / 720p 14−16 24−27
medium / 1080p 5−6 14−16
The average gaming FPS of Radeon R7 250X in Assassin's Creed Odyssey is 133% more, than Quadro K620M.

Full Specs

  Quadro K620M Radeon R7 250X
Architecture Maxwell GCN 1.0
Code name GM108 Cape Verde
Type Mobile workstation Desktop
Release date 1 March 2015 13 February 2014
Pipelines 384 640
Core clock speed 1029 MHz
Boost Clock 1124 MHz 1000 MHz
Transistor count 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 17.98 38.00
Floating-point performance 863.2 gflops 1,216 gflops
Length 210 mm
Memory bus width 64 Bit 128 Bit
Memory clock speed 2000 MHz 1625 MHz
Memory bandwidth 14.4 GB/s 96 GB/s
Shared memory -
DirectX 12
Shader Model 5 5.1
OpenGL 4.5 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126
CUDA +
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 92 Mh/s 152 Mh/s
Optimus +
Eyefinity +
Design reference
CrossFire +
DDMA audio +
Display Port 1.2
nView Display Management +
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