NVIDIA GeForce 840A
VS
GeForce GTX 660 Rev. 2
NVIDIA GeForce 840A
VS
GeForce GTX 660 Rev. 2

General info

The main nomenclature characteristics of video cards NVIDIA GeForce 840A and GeForce GTX 660 Rev. 2. Pay attention to the position in the performance rating to choose the best one.

603
Place in performance rating
not rated
Maxwell
Architecture
Kepler
GM108
Code name
no data
Desktop
Type
no data
17 March 2014 (7 years ago)
Release date
13 September 2014 (7 years ago)
no data
Price now
$489
GM108
GPU code name
GK104
Desktop
Market segment
Desktop

Technical specs

Choose the best graphics card between NVIDIA GeForce 840A and GeForce GTX 660 Rev. 2 based on manufacturing process, power consumption, and base frequency and overclocking potential of the GPU.

384
Pipelines
no data
1029 MHz
Core clock speed
980 MHz
1124 MHz
Boost Clock
no data
28 nm
Manufacturing process technology
28 nm
33 Watt
Power consumption (TDP)
no data
17.98
Texture fill rate
82.56
863.2 gflops
Floating-point performance
1,981 gflops
384
Pipelines / CUDA cores
960
1124 MHz
Boost clock speed
1032 MHz
no data
Number of transistors
3,540 million
33 Watt
Thermal design power (TDP)
140 Watt

Compatibility, dimensions and requirements

Additional technical information, does not greatly affect the performance rating when comparing the NVIDIA GeForce 840A and GeForce GTX 660 Rev. 2.

PCIe 3.0 x8
Interface
PCIe 3.0 x16
no data
Length
241 mm
no data
Supplementary power connectors
1x 6-pin

Memory

Graphics card memory is used to store calculations. Modern software and 3D games require more and faster memory. The higher these parameters, the more productive the chip. The difference in these characteristics NVIDIA GeForce 840A and GeForce GTX 660 Rev. 2 can be seen in this section.

DDR3
Memory type
GDDR5
2 GB
Maximum RAM amount
2 GB
64 Bit
Memory bus width
192 Bit
2002 MHz
Memory clock speed
6008 MHz
16.02 GB/s
Memory bandwidth
144.2 GB/s

Video outputs and ports

The difference between the interfaces and ports of video cards NVIDIA GeForce 840A and GeForce GTX 660 Rev. 2, the size and number of monitors.

No outputs
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
no data
HDMI
+

Technologies

The difference between NVIDIA GeForce 840A and GeForce GTX 660 Rev. 2 is the additional functionality.

no data
CUDA
3.0

API support

The difference in supported APIs is NVIDIA GeForce 840A and GeForce GTX 660 Rev. 2. Hardware support (API) is not considered in synthetic benchmarks and performance tests.

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
no data
Vulkan
1.1.126
no data
Shader Model
5.1
no data
OpenCL
1.2

Gaming performance

Select form the list the required name to identify gaming performance for NVIDIA GeForce 840A and GeForce GTX 660 Rev. 2 graphics cards. The result shows how fast the game will run and whether it can be run on this computer. The different monitor resolutions – from low to 4K – are used for testing. Find out is the NVIDIA GeForce 840A or GeForce GTX 660 Rev. 2 good for gaming.


low
1280x720
med.
1920x1080
high
1920x1080
ultra
1920x1080
QHD
2560x1440
4K
3840x2160
Horizon Zero Dawn (2020) NVIDIA GeForce 840A
GeForce GTX 660 Rev. 2
Death Stranding (2020) NVIDIA GeForce 840A
GeForce GTX 660 Rev. 2
F1 2020 (2020) NVIDIA GeForce 840A
GeForce GTX 660 Rev. 2
Gears Tactics (2020) NVIDIA GeForce 840A
GeForce GTX 660 Rev. 2
Doom Eternal (2020) NVIDIA GeForce 840A
GeForce GTX 660 Rev. 2
Legend
5 Stutter – Insufficient data. Similar graphics cards stutter, the game is likely to show a low frame rate. There will be some lags.
May Stutter – Insufficient data. Similar graphics cards stutter, the game is likely to show a low frame rate. There will be some lags.
30 Fluent – According to the results of benchmarks the game should run at 25 frames per second (fps)
40 Fluent – According to the results of benchmarks the game should run at 35 frames per second (fps)
60 Fluent – According to the results of benchmarks the game should run at 58 frames per second (fps)
May Run Fluently – Insufficient data. Similar graphics cards show a smooth frame rate, comfortable for the game.
? Uncertain – Graphics cards testing has shown that a slower card can provide a high and stable frame rate for the same operation.
Uncertain – The work of the video card in the game is still being studied. Interpolation among analogs is not possible.
The value depicts the average frame rate. Hovering over the value, you can get individual results.

Advantages of NVIDIA GeForce 840A

6.26% faster in synthetic tests

Advantages of GeForce GTX 660 Rev. 2

More memory bandwidth (144.2 GB/s vs 16.02 GB/s)

So, NVIDIA GeForce 840A or GeForce GTX 660 Rev. 2?

Judging by the results of synthetic and gaming tests, we recommend NVIDIA GeForce 840A .

NVIDIA GeForce 840A versus GeForce GTX 660 Rev. 2 performance benchmarks comparison

User rating

0.0 Out of 0 CpusData Score NVIDIA GeForce 840A
0.0 Out of 0 CpusData Score GeForce GTX 660 Rev. 2