GeForce 940A vs Radeon HD 4890

Find out if it is worth upgrading your current GPU setup by comparing GeForce 940A and Radeon HD 4890. 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 940A and Radeon HD 4890. 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 940A Radeon HD 4890
Power consumption (TDP) 33 Watt 190 Watt
Interface PCIe 3.0 x8 PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type DDR3 GDDR5
Maximum RAM amount 1 GB 1 GB
Display Connectors No outputs 2x DVI, 1x S-Video
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  • Radeon HD 4890 has 475% more power consumption, than GeForce 940A.
  • GeForce 940A is connected by PCIe 3.0 x8, and Radeon HD 4890 uses PCIe 2.0 x16 interface.
  • GeForce 940A and Radeon HD 4890 have maximum RAM of 1 GB.
  • Both cards are used in Desktops.
  • GeForce 940A is build with Maxwell architecture, and Radeon HD 4890 - with TeraScale.
  • Core clock speed of GeForce 940A is 179 MHz higher, than Radeon HD 4890.
  • GeForce 940A is manufactured by 28 nm process technology, and Radeon HD 4890 - by 55 nm process technology.
  • Memory clock speed of Radeon HD 4890 is 1898 MHz higher, than GeForce 940A.

Game benchmarks

high / 1080p 4−5 7−8
ultra / 1080p 2−3 4−5
QHD / 1440p 0−1 0−1
low / 720p 14−16 16−18
medium / 1080p 5−6 8−9
The average gaming FPS of Radeon HD 4890 in Assassin's Creed Odyssey is 50% more, than GeForce 940A.

Full Specs

  GeForce 940A Radeon HD 4890
Architecture Maxwell TeraScale
Code name GM108 RV790
Type Desktop Desktop
Release date 13 March 2015 2 April 2009
Pipelines 384 800
Core clock speed 1029 MHz 850 MHz
Boost Clock 1124 MHz
Transistor count 959 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 17.98 34.00
Floating-point performance 863.2 gflops 1,360.0 gflops
Length 241 mm
Memory bus width 64 Bit 256 Bit
Memory clock speed 2002 MHz 3900 MHz
Memory bandwidth 16.02 GB/s 124.8 GB/s
DirectX 12 (11_0) 10.1 (10_1)
Shader Model 5.1 4.1
OpenGL 4.6 3.3
OpenCL 1.2 1.1
Vulkan 1.1.126 N/A
CUDA 5.0
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