NVIDIA GeForce 840A vs GT 440
Comparison of GeForce 840A and GeForce GT 440 architecture, market type and release date.
GeForce 840A and GeForce GT 440's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GeForce 840A and GeForce GT 440's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Core clock speed
Manufacturing process technology
Power consumption (TDP)
Maximum GPU temperature
Texture fill rate
17.98 GTexel / s
13.0 billion / sec
Compatibility, dimensions and requirements
Information on GeForce 840A and GeForce GT 440 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
PCI-E 2.0 x 16
PCIe 3.0 x8
PCIe 2.0 x16
5.7" (14.5 cm)
4.376" (11.1 cm)
Supplementary power connectors
Parameters of memory installed on GeForce 840A and GeForce GT 440: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Maximum RAM amount
512 MB GDDR5 or 1 GB
Standard memory config per GPU
1 GB GDDR5 or 2 GB
Memory bus width
Memory clock speed
1600 MHz (GDDR5) or 900 MHz (DDR3)
16.02 GB / s
28.8 (DDR3) – 51.2 (GDDR5)
Video outputs and ports
Types and number of video connectors present on GeForce 840A and GeForce GT 440.
1x DVI, 1x HDMI, 1x VGA
HDMIVGADual Link DVI
Multi monitor support
Maximum VGA resolution
Audio input for HDMI
Technological solutions and APIs supported by GeForce 840A and GeForce GT 440. You'll probably need this information if you need some particular technology for your purposes.
APIs supported by GeForce 840A and GeForce GT 440, sometimes including their particular versions.
Non-gaming benchmarks performance of GeForce 840A and GeForce GT 440. Note that overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
GeForce 840A 0.37 +76.2%
GT 440 0.21
GeForce 840A 878 +4.2%
GT 440 843
Rendering quality tests
GFXBench render quality
GFXBench high precision render quality
Cryptocurrency mining performance of GeForce 840A and GeForce GT 440. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
Let's see how good GeForce 840A and GeForce GT 440 are for gaming. Particular gaming benchmark results are measured in FPS.
Advantages of NVIDIA GeForce 840A
76.2% faster (about 2 times) in synthetic tests
Much newer (17 March 2014 vs 1 February 2011)
More pipelines (384 vs 96)
Finer manufacturing process technology (28 vs 40 nm)
Less power hungry (33 vs 65 watts)
Advantages of NVIDIA GeForce GT 440
Wider memory bus (128 vs 64 bit)
Higher memory bandwidth (28.8 vs 16.02 GB/s)
CUDA (Compute Unified Device Architecture - an API for video card computing power usage in tasks different from 3D graphics processing. Can be used for physics simulation for instance)
PhysX (hardware acceleration of physical simulation engine named PhysX)
3D Vision Surround
So, 840A or GT 440?
Judging by the results of synthetic and gaming tests, Technical City recommends NVIDIA GeForce 840A.
Should you still have questions on choice between GeForce 840A and GeForce GT 440, ask them in Comments section, and we shall answer.