NVIDIA GeForce 840A vs GT 440

NVIDIA GeForce 840A
NVIDIA GeForce GT 440

General info

Comparison of GeForce 840A and GeForce GT 440 architecture, market type and release date.
Place in performance rating
 
Value for money (0-100)
n/d
 
0.98
Architecture
Maxwell
 
Fermi
Code name
GM108
 
GF108
Type
Desktop
 
Desktop
Release date
17 March 2014
 
1 February 2011
Launch price (MSRP)
n/d
 
$79
Price now
n/d
 
$92

Technical specs

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.
Pipelines
384
 
96
CUDA cores
n/d
 
96
Core clock speed
1029 MHz
 
1620 MHz
Boost Clock
1124 MHz
 
n/d
Transistor count
n/d
 
585 million
Manufacturing process technology
28 nm
 
40 nm
Power consumption (TDP)
33 Watt
 
65 Watt
Maximum GPU temperature
n/d
 
98 °C
Texture fill rate
17.98 GTexel / s
 
13.0 billion / sec
Floating-point performance
863.2 gflops
 
311.04 gflops

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).
Bus support
n/d
 
PCI-E 2.0 x 16
Interface
PCIe 3.0 x8
 
PCIe 2.0 x16
Length
n/d
 
5.7" (14.5 cm)
Height
n/d
 
4.376" (11.1 cm)
Supplementary power connectors
n/d
 
None

Memory

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.
Memory type
DDR3
 
DDR3
Maximum RAM amount
1 GB
 
512 MB GDDR5 or 1 GB
Standard memory config per GPU
n/d
 
1 GB GDDR5 or 2 GB
Memory bus width
64 Bit
 
128 Bit
Memory clock speed
2002 MHz
 
1600 MHz (GDDR5) or 900 MHz (DDR3)
Memory bandwidth
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.
Display Connectors
No outputs
 
1x DVI, 1x HDMI, 1x VGA
Display Connectors
n/d
 
HDMIVGADual Link DVI
Multi monitor support
n/d
 
+
HDMI
-
 
+
Maximum VGA resolution
n/d
 
2048x1536
Audio input for HDMI
n/d
 
Internal

Technologies

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.
3D Vision
-
 
+
CUDA
-
 
+

API support

APIs supported by GeForce 840A and GeForce GT 440, sometimes including their particular versions.
DirectX
12.0 (11_0)
 
12.0 (11_0)
OpenGL
4.6
 
4.2

Benchmark performance

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

Passmark

GeForce 840A 878 +4.2%
GT 440 843

Rendering quality tests

GFXBench render quality
4541 +0%
 
4541 +0%
GFXBench high precision render quality
4541 +0%
 
4541 +0%

Mining hashrates

Cryptocurrency mining performance of GeForce 840A and GeForce GT 440. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
n/d
 
20 Mh/s

Gaming performance

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)
3D Vision
PhysX (hardware acceleration of physical simulation engine named PhysX)
DirectX 12
HDMI
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.

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Advices and comments

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