GeForce GTX 1660 and Radeon RX 640 - video card comparison
Passmark - benchmark score GeForce GTX 1660 vs Radeon RX 640
GeForce GTX 1660
12040
Radeon RX 640
2020
GeForce GTX 1660
Radeon RX 640
Architecture
Turing (2018−2021)
Polaris (2016−2019)
GPU code name
Turing TU116
Polaris 12
Market segment
Desktop
Laptop
Release date
March 2019
August 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1785 MHz
1218 MHz
Core clock speed
1530 MHz
1218 MHz
Manufacturing process technology
12 nm
14 nm
Number of transistors
6,600 million
2,200 million
Pipelines / CUDA cores
1408
640
Power consumption (TDP)
120 Watt
50 Watt
Texture fill rate
157.1
38.98
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
4 GB
Memory bus width
192 Bit
64 Bit
Memory clock speed
8000 MHz
6000 MHz
Memory bandwidth
192.1 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
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
FreeSync
-
+