Radeon RX 550X Mobile and GeForce GTX 1660 Mobile - video card comparison
Radeon RX 550X Mobile
GeForce GTX 1660 Mobile
Architecture
Polaris (2016−2019)
Turing (2018−2021)
GPU code name
Polaris 12
TU116B
Market segment
Laptop
Laptop
Release date
January 2019
May 2019
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Boost clock speed
1287 MHz
1590 MHz
Core clock speed
1176 MHz
1455 MHz
Manufacturing process technology
14 nm
12 nm
Number of transistors
2,200 million
6,600 million
Pipelines / CUDA cores
640
1280
Power consumption (TDP)
50 Watt
-
Texture fill rate
51.48
127.2
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
6 GB
Memory bus width
128 Bit
192 Bit
Memory clock speed
7000 MHz
16000 MHz
Memory bandwidth
96 GB/s
384.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (12_0)
12 (12_1)
CUDA
-
7.5
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2.140
FreeSync
+
-