GeForce GTX 1660 and Radeon RX 6600M - video card comparison
Passmark - benchmark score GeForce GTX 1660 vs Radeon RX 6600M
GeForce GTX 1660
12040
Radeon RX 6600M
14089
GeForce GTX 1660
Radeon RX 6600M
Architecture
Turing (2018−2021)
RDNA 2 (2020−2022)
GPU code name
Turing TU116
R21M-E65-70
Market segment
Desktop
Laptop
Release date
March 2019
September 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1785 MHz
2177 MHz
Core clock speed
1530 MHz
2068 MHz
Manufacturing process technology
12 nm
7 nm
Number of transistors
6,600 million
11,060 million
Pipelines / CUDA cores
1408
1792
Power consumption (TDP)
120 Watt
100 Watt (50 - 100 Watt TGP)
Texture fill rate
157.1
235.8
Memory type
GDDR5
GDDR6
Maximum RAM amount
6 GB
8 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
8000 MHz
14000 MHz
Memory bandwidth
192.1 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
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