GeForce GT 640 vs Quadro P620

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and Quadro P620. 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 GeForce GT 640 and Quadro P620. 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

  GeForce GT 640 Quadro P620
Power consumption (TDP) 65 Watt 40 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 4x mini-DisplayPort
  Check Price Check Price
  • GeForce GT 640 has 62% more power consumption, than Quadro P620.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Quadro P620 has 2 GB more memory, than GeForce GT 640.
  • Both cards are used in Desktops.
  • GeForce GT 640 is build with Kepler architecture, and Quadro P620 - with Pascal.
  • Core clock speed of Quadro P620 is 275 MHz higher, than GeForce GT 640.
  • GeForce GT 640 is manufactured by 28 nm process technology, and Quadro P620 - by 14 nm process technology.
  • Both graphics cards are the same length of 145 mm.
  • Memory clock speed of Quadro P620 is 4218 MHz higher, than GeForce GT 640.

Game benchmarks

high / 1080p 2−3 18−20
ultra / 1080p 1−2 10−12
QHD / 1440p 0−1 5−6
4K / 2160p 4−5
low / 720p 14−16 35−40
medium / 1080p 5−6 21−24
The average gaming FPS of Quadro P620 in Assassin's Creed Odyssey is 266% more, than GeForce GT 640.

Full Specs

  GeForce GT 640 Quadro P620
Architecture Kepler Pascal
Code name GK107 GP107
Type Desktop Workstation
Release date 5 June 2012 27 May 2019
Pipelines 384 512
Core clock speed 902 MHz 1177 MHz
Boost Clock 1442 MHz
Transistor count 1,270 million 3,300 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 28.86 43.33
Floating-point performance 692.7 gflops 1,490 gflops
Length 145 mm 145 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1782 MHz 6000 MHz
Memory bandwidth 28.51 GB/s 80.13 GB/s
Shared memory -
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126 1.2.131
CUDA 3.0 6.1
Bitcoin / BTC (SHA256) 24 Mh/s
  Check Price Check Price