NVIDIA GeForce GTX 660
VS
NVIDIA GeForce 820M
NVIDIA GeForce GTX 660
VS
NVIDIA GeForce 820M

General info

The main nomenclature characteristics of video cards NVIDIA GeForce GTX 660 and NVIDIA GeForce 820M. Pay attention to the position in the performance rating to choose the best one.

299
Place in performance rating
850
36.19
Value for money (0-100)
no data
Kepler
Architecture
Fermi
GK106
Code name
GF117
Desktop
Type
Laptop
6 September 2012 (9 years ago)
Release date
7 January 2014 (7 years ago)
$229
Launch price (MSRP)
no data
$321 (1.4x MSRP)
Price now
$490
4.45
Value for money
0.05
GK106
GPU code name
N15V-GM
Desktop
Market segment
Laptop

Technical specs

Choose the best graphics card between NVIDIA GeForce GTX 660 and NVIDIA GeForce 820M based on manufacturing process, power consumption, and base frequency and overclocking potential of the GPU.

960
Pipelines
96
980 MHz
Core clock speed
775 MHz
1033 MHz
Boost Clock
no data
2,540 million
Transistor count
585 million
28 nm
Manufacturing process technology
28 nm
140 Watt
Power consumption (TDP)
15 Watt
78.4 billion/sec
Texture fill rate
10.00
1,981 gflops
Floating-point performance
240.0 gflops
960
CUDA cores
no data
960
Pipelines / CUDA cores
96
1033 MHz
Boost clock speed
no data
2,540 million
Number of transistors
585 million
140 Watt
Thermal design power (TDP)
15 Watt

Compatibility, dimensions and requirements

Additional technical information, does not greatly affect the performance rating when comparing the NVIDIA GeForce GTX 660 and NVIDIA GeForce 820M.

PCIe 3.0 x16
Interface
PCIe 2.0 x16
9.5" (24.1 cm)
Length
no data
One 6-pin
Supplementary power connectors
no data
+
SLI options
no data
PCI Express 3.0
Bus support
PCI Express 2.0
4.376" (11.1 cm)
Height
no data

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 GTX 660 and NVIDIA GeForce 820M can be seen in this section.

GDDR5
Memory type
DDR3
2 GB
Maximum RAM amount
2 GB
192-bit GDDR5
Memory bus width
64 Bit
6.0 GB/s
Memory clock speed
1800 MHz
144.2 GB/s
Memory bandwidth
14.4 GB/s
no data
Shared memory
-

Video outputs and ports

The difference between the interfaces and ports of video cards NVIDIA GeForce GTX 660 and NVIDIA GeForce 820M, the size and number of monitors.

One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Display Connectors
No outputs
+
G-SYNC support
no data
4 displays
Multi monitor support
no data
+
HDCP
no data
2048x1536
Maximum VGA resolution
no data
Internal
Audio input for HDMI
no data
+
HDMI
no data

Technologies

The difference between NVIDIA GeForce GTX 660 and NVIDIA GeForce 820M is the additional functionality.

+
3D Vision
no data
+
GPU Boost
2.0
+
CUDA
+
no data
Optimus
+
no data
GameWorks
+
+
3D Gaming
no data
+
FXAA
no data
+
TXAA
no data
+
Adaptive VSync
no data
no data
Verde Drivers
+
+
3D Blu-Ray
no data

API support

The difference in supported APIs is NVIDIA GeForce GTX 660 and NVIDIA GeForce 820M. Hardware support (API) is not considered in synthetic benchmarks and performance tests.

12 (11_0)
DirectX
12 (11_0)
4.3
OpenGL
4.5
1.1.126
Vulkan
N/A
5.1
Shader Model
5.1
1.2
OpenCL
1.1

Gaming performance

Select form the list the required name to identify gaming performance for NVIDIA GeForce GTX 660 and NVIDIA GeForce 820M 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 GTX 660 or NVIDIA GeForce 820M good for gaming.


low
1280x720
med.
1920x1080
high
1920x1080
ultra
1920x1080
QHD
2560x1440
4K
3840x2160
Horizon Zero Dawn (2020) NVIDIA GeForce GTX 660
NVIDIA GeForce 820M
Death Stranding (2020) NVIDIA GeForce GTX 660
NVIDIA GeForce 820M
F1 2020 (2020) NVIDIA GeForce GTX 660
NVIDIA GeForce 820M
Gears Tactics (2020) NVIDIA GeForce GTX 660
NVIDIA GeForce 820M
Doom Eternal (2020) NVIDIA GeForce GTX 660
NVIDIA GeForce 820M
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 GTX 660

15.96% faster in synthetic tests

Cheaper ($321 (1.4x MSRP) vs $490)

More pipelines (960 vs 96)

More memory bandwidth (144.2 GB/s vs 14.4 GB/s)

G-SYNC support

Advantages of NVIDIA GeForce 820M

Less power consumption (15 Watt vs 140 Watt)

So, NVIDIA GeForce GTX 660 or NVIDIA GeForce 820M?

Judging by the results of synthetic and gaming tests, we recommend NVIDIA GeForce GTX 660 .

NVIDIA GeForce GTX 660 versus NVIDIA GeForce 820M performance benchmarks comparison

User rating

0.0 Out of 0 CpusData Score NVIDIA GeForce GTX 660
0.0 Out of 0 CpusData Score NVIDIA GeForce 820M