Radeon RX 580X Mobile and GeForce GTX 1660 Mobile - video card comparison
Radeon RX 580X Mobile
GeForce GTX 1660 Mobile
Architecture
Polaris (2016−2019)
Turing (2018−2021)
GPU code name
Polaris
TU116B
Market segment
Laptop
Laptop
Release date
January 2019
May 2019
Interface
MXM-B (3.0)
PCIe 3.0 x16
Boost clock speed
1340 MHz
1590 MHz
Core clock speed
-
1455 MHz
Manufacturing process technology
14 nm
12 nm
Number of transistors
5,700 million
6,600 million
Pipelines / CUDA cores
2304
1280
Power consumption (TDP)
65-110 Watt
-
Texture fill rate
155.1
127.2
Memory type
GDDR5
GDDR6
Maximum RAM amount
8 GB
6 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
8000 MHz
16000 MHz
Memory bandwidth
256.0 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