GeForce GTX 660M vs Quadro K420
When choosing between GeForce GTX 660M and Quadro K420, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 660M and Quadro K420.
GeForce GTX 660M is a Laptop Graphics Card
Note: GeForce GTX 660M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GTX 660M here:
Main Specs
GeForce GTX 660M
Quadro K420
Power consumption (TDP)
50 Watt
41 Watt
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
Memory type
GDDR5
128 Bit
Maximum RAM amount
2 GB
1 GB/2 GB
Display Connectors
No outputs
1x DVI, 1x DisplayPort
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GeForce GTX 660M has 21% more power consumption, than Quadro K420.
GeForce GTX 660M is connected by MXM-B (3.0), and Quadro K420 uses PCIe 2.0 x16 interface.
GeForce GTX 660M has 1 GB more memory, than Quadro K420.
GeForce GTX 660M is used in Laptops, and Quadro K420 - in Desktops.
GeForce GTX 660M and Quadro K420 are build with Kepler architecture.
Core clock speed of Quadro K420 is 41 MHz higher, than GeForce GTX 660M.
GeForce GTX 660M and Quadro K420 are manufactured by 28 nm process technology.
Memory clock speed of GeForce GTX 660M is 218 MHz higher, than Quadro K420.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
6−7
0−1
ultra / 1080p
4−5
0−1
QHD / 1440p
0−1
0−1
low / 720p
16−18
9−10
medium / 1080p
8−9
1−2
The average gaming FPS of GeForce GTX 660M in Assassin's Creed Odyssey is 140% more, than Quadro K420.
high / 1080p
12−14
−
ultra / 1080p
10−11
1−2
QHD / 1440p
0−1
0−1
low / 720p
24−27
9−10
medium / 1080p
12−14
2−3
The average gaming FPS of GeForce GTX 660M in Battlefield 5 is 300% more, than Quadro K420.
low / 768p
45−50
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Quadro K420 in Call of Duty: Warzone is 6% more, than GeForce GTX 660M.
low / 768p
130−140
100−110
medium / 768p
110−120
75−80
ultra / 1080p
50−55
30−35
QHD / 1440p
27−30
−
4K / 2160p
27−30
9−10
high / 768p
80−85
50−55
The average gaming FPS of GeForce GTX 660M in Counter-Strike: Global Offensive is 49% more, than Quadro K420.
low / 768p
55−60
70−75
ultra / 1080p
18−20
10−12
medium / 1080p
45−50
45−50
The average gaming FPS of Quadro K420 in Cyberpunk 2077 is 4% more, than GeForce GTX 660M.
low / 768p
80−85
65−70
medium / 768p
55−60
35−40
ultra / 1080p
30−35
14−16
The average gaming FPS of GeForce GTX 660M in Dota 2 is 42% more, than Quadro K420.
high / 1080p
8−9
1−2
ultra / 1080p
7−8
−
4K / 2160p
3−4
0−1
low / 720p
18−20
7−8
medium / 1080p
8−9
2−3
The average gaming FPS of GeForce GTX 660M in Far Cry 5 is 300% more, than Quadro K420.
high / 1080p
14−16
−
ultra / 1080p
10−11
−
QHD / 1440p
−
0−1
low / 720p
60−65
40−45
medium / 1080p
21−24
4−5
The average gaming FPS of GeForce GTX 660M in Fortnite is 82% more, than Quadro K420.
high / 1080p
12−14
1−2
ultra / 1080p
10−12
−
QHD / 1440p
1−2
0−1
low / 720p
24−27
10−12
medium / 1080p
14−16
3−4
The average gaming FPS of GeForce GTX 660M in Forza Horizon 4 is 240% more, than Quadro K420.
low / 768p
50−55
35−40
medium / 768p
45−50
−
high / 1080p
12−14
1−2
ultra / 1080p
6−7
−
QHD / 1440p
0−1
0−1
medium / 720p
−
30−35
The average gaming FPS of GeForce GTX 660M in Grand Theft Auto V is 68% more, than Quadro K420.
high / 1080p
4−5
0−1
ultra / 1080p
3−4
0−1
4K / 2160p
0−1
0−1
low / 720p
12−14
1−2
medium / 1080p
6−7
−
The average gaming FPS of GeForce GTX 660M in Metro Exodus is 1200% more, than Quadro K420.
low / 768p
95−100
85−90
high / 1080p
90−95
50−55
ultra / 1080p
80−85
−
medium / 1080p
90−95
−
The average gaming FPS of GeForce GTX 660M in Minecraft is 35% more, than Quadro K420.
high / 1080p
16−18
14−16
ultra / 1080p
14−16
12−14
low / 720p
30−35
21−24
medium / 1080p
18−20
14−16
The average gaming FPS of GeForce GTX 660M in PLAYERUNKNOWN'S BATTLEGROUNDS is 25% more, than Quadro K420.
ultra / 1080p
7−8
−
QHD / 1440p
0−1
0−1
low / 720p
12−14
2−3
medium / 1080p
10−12
−
The average gaming FPS of GeForce GTX 660M in Red Dead Redemption 2 is 550% more, than Quadro K420.
low / 768p
24−27
4−5
medium / 768p
16−18
−
high / 1080p
9−10
2−3
ultra / 1080p
6−7
−
4K / 2160p
6−7
0−1
The average gaming FPS of GeForce GTX 660M in The Witcher 3: Wild Hunt is 466% more, than Quadro K420.
low / 768p
85−90
65−70
medium / 768p
45−50
30−35
ultra / 1080p
18−20
10−12
high / 768p
35−40
27−30
The average gaming FPS of GeForce GTX 660M in World of Tanks is 38% more, than Quadro K420.
Full Specs
GeForce GTX 660M
Quadro K420
Architecture
Kepler
Kepler
Code name
N13E-GE
GK107
Type
Laptop
Workstation
Release date
22 March 2012
22 July 2014
Pipelines
384
192
Core clock speed
835 MHz
876 MHz
Boost Clock
950 MHz
Transistor count
1,270 million
1,270 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
30.4 billion/sec
14.02
Floating-point performance
729.6 gflops
336.4 gflops
Length
160 mm
Memory bus width
128bit
128 Bit
Memory clock speed
2000 MHz
1782 MHz
Memory bandwidth
64.0 GB/s
Shared memory
-
DirectX
12 API
12
Shader Model
5.1
5
OpenGL
4.5
4.5
OpenCL
1.1
1.2
Vulkan
1.1.126
+
CUDA
+
3.0
CUDA cores
384
Bus support
PCI Express 2.0, PCI Express 3.0
SLI options
+
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
Bitcoin / BTC (SHA256)
36 Mh/s
11 Mh/s
Laptop size
large
Optimus
+
3D Vision Pro
+
Mosaic
+
Width
1" (2.5 cm)
Number of simultaneous displays
4
nView Desktop Management
+
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