Quadro K4100M vs Radeon RX 640

Find out if it is worth upgrading your current GPU setup by comparing Quadro K4100M and Radeon RX 640. 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 K4100M and Radeon RX 640. 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 K4100M and Radeon RX 640 are Laptop Graphics Cards

Note: Quadro K4100M and Radeon RX 640 are only used in laptop graphics. They have 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 K4100M or Radeon RX 640 here:

Main Specs

  Quadro K4100M Radeon RX 640
Power consumption (TDP) 100 Watt 50 Watt
Interface MXM-B (3.0) PCIe 3.0 x8
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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  • Quadro K4100M has 100% more power consumption, than Radeon RX 640.
  • Quadro K4100M is connected by MXM-B (3.0), and Radeon RX 640 uses PCIe 3.0 x8 interface.
  • Quadro K4100M and Radeon RX 640 have maximum RAM of 4 GB.
  • Quadro K4100M is used in Mobile workstations, and Radeon RX 640 - in Laptops.
  • Quadro K4100M is build with Kepler architecture, and Radeon RX 640 - with Polaris.
  • Core clock speed of Radeon RX 640 is 512 MHz higher, than Quadro K4100M.
  • Quadro K4100M is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
  • Memory clock speed of Radeon RX 640 is 2800 MHz higher, than Quadro K4100M.

Game benchmarks

high / 1080p 12−14 5−6
ultra / 1080p 7−8 3−4
QHD / 1440p 2−3 2−3
low / 720p 24−27 16−18
medium / 1080p 14−16 7−8
The average gaming FPS of Quadro K4100M in Assassin's Creed Odyssey is 71% more, than Radeon RX 640.

Full Specs

  Quadro K4100M Radeon RX 640
Architecture Kepler Polaris
Code name N15E-Q3-A2 Polaris 12
Type Mobile workstation Laptop
Release date 23 July 2013 12 August 2019
Pipelines 1152 640
Core clock speed 706 MHz 1218 MHz
Boost Clock 1218 MHz
Transistor count 3,540 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 67.78 38.98
Floating-point performance 1,627 gflops
Memory bus width 256 Bit 64 Bit
Memory clock speed 3200 MHz 6000 MHz
Memory bandwidth 102.4 GB/s 112.0 GB/s
Shared memory - -
DirectX 12 12 (12_0)
Shader Model 5 6.4
OpenGL 4.5 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.2.131
CUDA +
FreeSync +
Bitcoin / BTC (SHA256) 51 Mh/s
Laptop size large large
Optimus +
Display Port 1.2
3D Vision Pro +
Mosaic +
nView Display Management +
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