Radeon R5 M420 and GeForce GTX 1660 Ti Mobile Refresh - video card comparison
Radeon R5 M420
GeForce GTX 1660 Ti Mobile Refresh
Architecture
GCN (2011−2017)
Turing (2018−2021)
GPU code name
Jet
TU116B
Market segment
Laptop
Laptop
Release date
June 2016
May 2019
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Boost clock speed
850 MHz
1590 MHz
Core clock speed
780 MHz
-
Floating-point performance
547.2 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
690 million
6,600 million
Pipelines / CUDA cores
320
1536
Texture fill rate
17.00
152.6
Memory type
DDR3
GDDR6
Maximum RAM amount
4 GB
6 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
2000 MHz
16 GB/s
Memory bandwidth
16 GB/s
384.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12 (12_1)
CUDA
-
7.5
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.2.131
1.2