GeForce GTX 660 vs Radeon RX 550X mobile
When choosing between GeForce GTX 660 and Radeon RX 550X mobile, 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 660 and Radeon RX 550X mobile.
Radeon RX 550X mobile is a Laptop Graphics Card
Note: Radeon RX 550X mobile 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 Radeon RX 550X mobile here:
Main Specs
GeForce GTX 660
Radeon RX 550X mobile
Power consumption (TDP)
140 Watt
50 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
One 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Check Price
Check Price
GeForce GTX 660 has 180% more power consumption, than Radeon RX 550X mobile.
GeForce GTX 660 is connected by PCIe 3.0 x16, and Radeon RX 550X mobile uses PCIe 3.0 x8 interface.
Radeon RX 550X mobile has 2 GB more memory, than GeForce GTX 660.
GeForce GTX 660 is used in Desktops, and Radeon RX 550X mobile - in Laptops.
GeForce GTX 660 is build with Kepler architecture, and Radeon RX 550X mobile - with Polaris.
Core clock speed of Radeon RX 550X mobile is 196 MHz higher, than GeForce GTX 660.
GeForce GTX 660 is manufactured by 28 nm process technology, and Radeon RX 550X mobile - by 14 nm process technology.
Memory clock speed of Radeon RX 550X mobile is 6994 MHz higher, than GeForce GTX 660.
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
20−22
14−16
ultra / 1080p
12−14
9−10
QHD / 1440p
6−7
3−4
4K / 2160p
5−6
−
low / 720p
40−45
30−35
medium / 1080p
24−27
20−22
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 31% more, than Radeon RX 550X mobile.
high / 1080p
30−35
24−27
ultra / 1080p
27−30
21−24
QHD / 1440p
10−12
4−5
4K / 2160p
8−9
−
low / 720p
65−70
55−60
medium / 1080p
35−40
27−30
The average gaming FPS of GeForce GTX 660 in Battlefield 5 is 29% more, than Radeon RX 550X mobile.
low / 768p
50−55
50−55
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
GeForce GTX 660 and Radeon RX 550X mobile have the same average FPS in Call of Duty: Warzone.
low / 768p
230−240
210−220
medium / 768p
200−210
180−190
ultra / 1080p
120−130
100−105
QHD / 1440p
90−95
55−60
4K / 2160p
50−55
27−30
high / 768p
160−170
140−150
The average gaming FPS of GeForce GTX 660 in Counter-Strike: Global Offensive is 18% more, than Radeon RX 550X mobile.
low / 768p
60−65
60−65
ultra / 1080p
50−55
40−45
medium / 1080p
55−60
55−60
The average gaming FPS of GeForce GTX 660 in Cyberpunk 2077 is 5% more, than Radeon RX 550X mobile.
low / 768p
120−130
110−120
medium / 768p
100−110
95−100
ultra / 1080p
80−85
65−70
The average gaming FPS of GeForce GTX 660 in Dota 2 is 11% more, than Radeon RX 550X mobile.
high / 1080p
24−27
18−20
ultra / 1080p
21−24
16−18
QHD / 1440p
18−20
−
4K / 2160p
8−9
6−7
low / 720p
50−55
40−45
medium / 1080p
27−30
21−24
The average gaming FPS of GeForce GTX 660 in Far Cry 5 is 28% more, than Radeon RX 550X mobile.
high / 1080p
30−35
24−27
ultra / 1080p
24−27
20−22
QHD / 1440p
16−18
12−14
low / 720p
120−130
100−110
medium / 1080p
70−75
55−60
The average gaming FPS of GeForce GTX 660 in Fortnite is 22% more, than Radeon RX 550X mobile.
high / 1080p
30−35
27−30
ultra / 1080p
24−27
21−24
QHD / 1440p
14−16
9−10
4K / 2160p
12−14
−
low / 720p
65−70
55−60
medium / 1080p
35−40
30−35
The average gaming FPS of GeForce GTX 660 in Forza Horizon 4 is 16% more, than Radeon RX 550X mobile.
low / 768p
100−110
90−95
medium / 768p
90−95
80−85
high / 1080p
40−45
30−35
ultra / 1080p
16−18
12−14
QHD / 1440p
7−8
3−4
The average gaming FPS of GeForce GTX 660 in Grand Theft Auto V is 18% more, than Radeon RX 550X mobile.
high / 1080p
12−14
10−11
ultra / 1080p
10−11
7−8
QHD / 1440p
10−11
−
4K / 2160p
3−4
1−2
low / 720p
40−45
30−35
medium / 1080p
18−20
12−14
The average gaming FPS of GeForce GTX 660 in Metro Exodus is 30% more, than Radeon RX 550X mobile.
low / 768p
120−130
110−120
ultra / 1080p
−
100−110
medium / 1080p
110−120
100−110
The average gaming FPS of GeForce GTX 660 in Minecraft is 9% more, than Radeon RX 550X mobile.
ultra / 1080p
14−16
14−16
low / 720p
70−75
60−65
medium / 1080p
18−20
18−20
The average gaming FPS of GeForce GTX 660 in PLAYERUNKNOWN'S BATTLEGROUNDS is 9% more, than Radeon RX 550X mobile.
high / 1080p
14−16
12−14
ultra / 1080p
10−11
8−9
QHD / 1440p
1−2
0−1
4K / 2160p
1−2
−
low / 720p
35−40
30−33
medium / 1080p
21−24
16−18
The average gaming FPS of GeForce GTX 660 in Red Dead Redemption 2 is 23% more, than Radeon RX 550X mobile.
low / 768p
70−75
55−60
medium / 768p
45−50
35−40
high / 1080p
24−27
20−22
ultra / 1080p
14−16
10−12
4K / 2160p
8−9
6−7
The average gaming FPS of GeForce GTX 660 in The Witcher 3: Wild Hunt is 26% more, than Radeon RX 550X mobile.
low / 768p
90−95
90−95
medium / 768p
60−65
60−65
ultra / 1080p
40−45
35−40
high / 768p
55−60
50−55
The average gaming FPS of GeForce GTX 660 in World of Tanks is 3% more, than Radeon RX 550X mobile.
Full Specs
GeForce GTX 660
Radeon RX 550X mobile
Architecture
Kepler
Polaris
Code name
GK106
Polaris 12
Type
Desktop
Laptop
Release date
6 September 2012
10 January 2019
Pipelines
960
640
Core clock speed
980 MHz
1176 MHz
Boost Clock
1033 MHz
1287 MHz
Transistor count
2,540 million
2,200 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
78.4 billion/sec
51.48
Floating-point performance
1,981 gflops
Length
9.5" (24.1 cm)
Memory bus width
192-bit GDDR5
128 Bit
Memory clock speed
6.0 GB/s
7000 MHz
Memory bandwidth
144.2 GB/s
96 GB/s
Shared memory
-
DirectX
12 (11_0)
12 (12_0)
Shader Model
5.1
6.4
OpenGL
4.3
4.6
OpenCL
1.2
2.0
Vulkan
1.1.126
1.2.131
CUDA
+
FreeSync
+
CUDA cores
960
Bus support
PCI Express 3.0
Height
4.376" (11.1 cm)
SLI options
+
Multi monitor support
4 displays
HDMI
+
HDCP
+
Maximum VGA resolution
2048x1536
Audio input for HDMI
Internal
3D Blu-Ray
+
3D Gaming
+
3D Vision
+
Bitcoin / BTC (SHA256)
66 Mh/s
Laptop size
large
Check Price
Check Price
