GeForce 820A vs GeForce GT 755M

Find out if it is worth upgrading your current GPU setup by comparing GeForce 820A and GeForce GT 755M. 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 820A and GeForce GT 755M. 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 755M is a Laptop Graphics Card

Note: GeForce GT 755M 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 755M here:

Main Specs

  GeForce 820A GeForce GT 755M
Power consumption (TDP) 15 Watt 50 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Memory type DDR3 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors No outputs No outputs
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  • GeForce GT 755M has 233% more power consumption, than GeForce 820A.
  • GeForce 820A is connected by PCIe 2.0 x16, and GeForce GT 755M uses PCIe 3.0 x16 interface.
  • GeForce GT 755M has 3 GB more memory, than GeForce 820A.
  • GeForce 820A is used in Desktops, and GeForce GT 755M - in Laptops.
  • GeForce 820A is build with Fermi 2.0 architecture, and GeForce GT 755M - with Kepler.
  • Core clock speed of GeForce GT 755M is 205 MHz higher, than GeForce 820A.
  • GeForce 820A and GeForce GT 755M are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GT 755M is 3600 MHz higher, than GeForce 820A.

Game benchmarks

high / 1080p 0−1 7−8
ultra / 1080p 4−5
QHD / 1440p 0−1 0−1
low / 720p 1−2 18−20
medium / 1080p 0−1 9−10
The average gaming FPS of GeForce GT 755M in Assassin's Creed Odyssey is 1800% more, than GeForce 820A.

Full Specs

  GeForce 820A GeForce GT 755M
Architecture Fermi 2.0 Kepler
Code name GF117 N14P-
Type Desktop Laptop
Release date 17 March 2014 25 June 2013
Pipelines 96 384
Core clock speed 775 MHz 980 MHz
Transistor count 585 million 1,270 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 12.40 31.36
Floating-point performance 297.6 gflops 752.6 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 1800 MHz 5400 MHz
Memory bandwidth 14.4 GB/s 86.4 GB/s
Shared memory -
DirectX 12 (11_0) 12 API
Shader Model 5.1 5.1
OpenGL 4.6 4.5
OpenCL 1.1 1.1
Vulkan N/A 1.1.126
CUDA 2.1 +
Bus support PCI Express 3.0, PCI Express 2.0
HDMI +
Bitcoin / BTC (SHA256) 27 Mh/s
Laptop size medium sized
Standard memory configuration GDDR5
eDP 1.2 signal support Up to 3840x2160
LVDS signal support Up to 1920x1200
DisplayPort Multimode (DP++) support Up to 3840x2160
HDCP content protection +
7.1 channel HD audio on HDMI +
TrueHD and DTS-HD audio bitstreaming +
H.264, VC1, MPEG2 1080p video decoder +
Optimus +
Blu-Ray 3D Support +
3D Vision / 3DTV Play +
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