GeForce GT 640M vs Tesla C2050

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M and Tesla C2050. 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 640M and Tesla C2050. 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.

GeForce GT 640M is a Laptop Graphics Card

Note: GeForce GT 640M 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 GeForce GT 640M here:

Main Specs

  GeForce GT 640M Tesla C2050
Power consumption (TDP) 32 Watt 238 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type DDR3\GDDR5 GDDR5
Maximum RAM amount 2 GB 3 GB
Display Connectors No outputs 1x DVI
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  • Tesla C2050 has 643% more power consumption, than GeForce GT 640M.
  • GeForce GT 640M is connected by PCIe 3.0 x16, and Tesla C2050 uses PCIe 2.0 x16 interface.
  • Tesla C2050 has 1 GB more memory, than GeForce GT 640M.
  • GeForce GT 640M is used in Laptops, and Tesla C2050 - in Desktops.
  • GeForce GT 640M is build with Kepler architecture, and Tesla C2050 - with Fermi.
  • GeForce GT 640M is manufactured by 28 nm process technology, and Tesla C2050 - by 40 nm process technology.
  • Memory clock speed of Tesla C2050 is 1200 MHz higher, than GeForce GT 640M.

Game benchmarks

high / 1080p 0−1 18−20
ultra / 1080p 0−1 10−11
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 10−12 35−40
medium / 1080p 2−3 21−24
The average gaming FPS of Tesla C2050 in Assassin's Creed Odyssey is 400% more, than GeForce GT 640M.

Full Specs

  GeForce GT 640M Tesla C2050
Architecture Kepler Fermi
Code name N13P-GS GF100
Type Laptop Workstation
Release date 22 March 2012 25 July 2011
Pipelines 384 448
Core clock speed 574 MHz
Boost Clock 645 MHz
Transistor count 1,270 million 3,100 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 32.14
Floating-point performance 480.0 gflops 1,030.4 gflops
Length 248 mm
Memory bus width 128bit 384 Bit
Memory clock speed 1800 - 4000 MHz 3000 MHz
Memory bandwidth 144.0 GB/s
Shared memory -
DirectX 12 API 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.1 1.1
Vulkan 1.1.126 N/A
CUDA + 2.0
CUDA cores 384
Bus support PCI Express 2.0, PCI Express 3.0
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
3D Blu-Ray +
Bitcoin / BTC (SHA256) 18 Mh/s 90 Mh/s
Laptop size medium sized
Optimus +
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