GeForce GTX 1660 Super and Radeon R9 M390 - video card comparison
GeForce GTX 1660 Super
Radeon R9 M390
Architecture
Turing (2018−2021)
GCN (2011−2017)
GPU code name
Turing TU116
Pitcairn
Market segment
Desktop
Laptop
Release date
October 2019
June 2015
Bus support
-
PCIe 3.0
Interface
PCIe 3.0 x16
-
Supplementary power connectors
1x 8-pin
-
Boost clock speed
1785 MHz
-
Core clock speed
1530 MHz
-
Manufacturing process technology
12 nm
28 nm
Number of transistors
6,600 million
5000 Million
Pipelines / CUDA cores
1408
1024
Power consumption (TDP)
125 Watt
-
Texture fill rate
157.1
-
Memory type
GDDR6
GDDR5
Maximum RAM amount
6 GB
2 GB
Memory bus width
192 Bit
256 Bit
Memory clock speed
14000 MHz
-
Memory bandwidth
336.0 GB/s
-
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
-
Eyefinity
-
1
HDMI
+
-
HDCP
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
DirectX® 12
CUDA
7.5
-
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.6
4.4
Shader Model
6.5
-
Vulkan
1.2.131
-
Ansel
+
-
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
NVENC
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+