GeForce GT 640 vs Quadro K1000M

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and Quadro K1000M. 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 K1000M. 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 K1000M is a Laptop Graphics Card

Note: Quadro K1000M 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 K1000M here:

Main Specs

  GeForce GT 640 Quadro K1000M
Power consumption (TDP) 65 Watt 45 Watt
Interface PCIe 3.0 x16 MXM-A (3.0)
Supplementary power connectors None
Memory type DDR3 DDR3
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • GeForce GT 640 has 44% more power consumption, than Quadro K1000M.
  • GeForce GT 640 is connected by PCIe 3.0 x16, and Quadro K1000M uses MXM-A (3.0) interface.
  • GeForce GT 640 and Quadro K1000M have maximum RAM of 2 GB.
  • GeForce GT 640 is used in Desktops, and Quadro K1000M - in Mobile workstations.
  • GeForce GT 640 and Quadro K1000M are build with Kepler architecture.
  • Core clock speed of GeForce GT 640 is 52 MHz higher, than Quadro K1000M.
  • GeForce GT 640 and Quadro K1000M are manufactured by 28 nm process technology.
  • Memory clock speed of Quadro K1000M is 18 MHz higher, than GeForce GT 640.

Game benchmarks

high / 1080p 2−3 0−1
ultra / 1080p 1−2
QHD / 1440p 0−1 0−1
low / 720p 14−16 1−2
medium / 1080p 5−6 0−1
The average gaming FPS of GeForce GT 640 in Assassin's Creed Odyssey is 1400% more, than Quadro K1000M.

Full Specs

  GeForce GT 640 Quadro K1000M
Architecture Kepler Kepler
Code name GK107 N14P-Q1
Type Desktop Mobile workstation
Release date 5 June 2012 1 June 2012
Pipelines 384 192
Core clock speed 902 MHz 850 MHz
Transistor count 1,270 million 1,270 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 28.86 13.60
Floating-point performance 692.7 gflops 326.4 gflops
Length 145 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1782 MHz 1800 MHz
Memory bandwidth 28.51 GB/s 28.8 GB/s
Shared memory -
DirectX 12 (11_0) 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126 1.1.126
CUDA 3.0 +
Bitcoin / BTC (SHA256) 24 Mh/s 10 Mh/s
Laptop size medium sized
Optimus +
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