GeForce GTX 1660 Super and Radeon RX 550X 640SP - video card comparison
GeForce GTX 1660 Super
Radeon RX 550X 640SP
Architecture
Turing (2018−2021)
GCN 4.0 (2016−2020)
GPU code name
Turing TU116
Baffin
Market segment
Desktop
Desktop
Release date
October 2019
April 2018
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1785 MHz
1071 MHz
Core clock speed
1530 MHz
1019 MHz
Floating-point performance
-
1,371 gflops
Manufacturing process technology
12 nm
14 nm
Number of transistors
6,600 million
3,000 million
Pipelines / CUDA cores
1408
640
Power consumption (TDP)
125 Watt
60 Watt
Texture fill rate
157.1
42.84
Memory type
GDDR6
GDDR5
Maximum RAM amount
6 GB
2 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
14000 MHz
6000 MHz
Memory bandwidth
336.0 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
HDCP
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
12 (12_0)
CUDA
7.5
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.4
Vulkan
1.2.131
1.2.131
Ansel
+
-
NVENC
+
-