GeForce GTX 1660 Super and Radeon RX 6900 XT - video card comparison
Passmark - benchmark score GeForce GTX 1660 Super vs Radeon RX 6900 XT
GeForce GTX 1660 Super
13154
Radeon RX 6900 XT
27642
GeForce GTX 1660 Super
Radeon RX 6900 XT
Architecture
Turing (2018−2021)
Navi / RDNA2 (2020−2022)
GPU code name
Turing TU116
Navi 21
Market segment
Desktop
Desktop
Release date
October 2019
December 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
2x 8-pin
Boost clock speed
1785 MHz
2250 MHz
Core clock speed
1530 MHz
1825 MHz
Manufacturing process technology
12 nm
7 nm
Number of transistors
6,600 million
26,800 million
Pipelines / CUDA cores
1408
5120
Power consumption (TDP)
125 Watt
300 Watt
Texture fill rate
157.1
720.0
Memory type
GDDR6
GDDR6
Maximum RAM amount
6 GB
16 GB
Memory bus width
192 Bit
256 Bit
Memory clock speed
14000 MHz
16000 MHz
Memory bandwidth
336.0 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
+
+
HDCP
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
7.5
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2.131
1.2
Ansel
+
-
NVENC
+
-