Radeon RX 580 XTR and GeForce GTX 1660 - video card comparison
Radeon RX 580 XTR
GeForce GTX 1660
Architecture
GCN 4.0 (2016−2020)
Turing (2018−2021)
GPU code name
Polaris 20
Turing TU116
Market segment
Desktop
Desktop
Release date
April 2017
March 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
1x 8-pin
Boost clock speed
1340 MHz
1785 MHz
Core clock speed
1257 MHz
1530 MHz
Floating-point performance
6,175 gflops
-
Manufacturing process technology
14 nm
12 nm
Number of transistors
5,700 million
6,600 million
Pipelines / CUDA cores
2304
1408
Power consumption (TDP)
185 Watt
120 Watt
Texture fill rate
193.0
157.1
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
6 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
8000 MHz
8000 MHz
Memory bandwidth
256.0 GB/s
192.1 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12.0 (12_0)
12 (12_1)
CUDA
-
7.5
OpenCL
-
1.2
OpenGL
4.5
4.6
Shader Model
-
6.5
Vulkan
-
1.2.131