GeForce GTX 1660 Ti and Radeon RX 6600 XT - video card comparison
Passmark - benchmark score GeForce GTX 1660 Ti vs Radeon RX 6600 XT
GeForce GTX 1660 Ti
13314
Radeon RX 6600 XT
16985
GeForce GTX 1660 Ti
Radeon RX 6600 XT
Architecture
Turing (2018−2021)
Navi / RDNA2 (2020−2022)
GPU code name
Turing TU116
Navi 23
Market segment
Desktop
Desktop
Release date
February 2019
July 2021
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 8-pin
1x 8-pin
Boost clock speed
1770 MHz
2589 MHz
Core clock speed
1500 MHz
1968 MHz
Manufacturing process technology
12 nm
7 nm
Number of transistors
6,600 million
11,060 million
Pipelines / CUDA cores
1536
2048
Power consumption (TDP)
120 Watt
160 (TGP) Watt
Texture fill rate
169.9
331.4
Memory type
GDDR6
GDDR6
Maximum RAM amount
6 GB
8 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
12000 MHz
16000 MHz
Memory bandwidth
288.0 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI, 2x DisplayPort
HDMI
+
+
DirectX
12 (12_1)
12.0 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