GeForce GTX 1660 Mobile and Radeon RX 640 - video card comparison
GeForce GTX 1660 Mobile
Radeon RX 640
Architecture
Turing (2018−2021)
Polaris (2016−2019)
GPU code name
TU116B
Polaris 12
Market segment
Laptop
Laptop
Release date
May 2019
August 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
1590 MHz
1218 MHz
Core clock speed
1455 MHz
1218 MHz
Manufacturing process technology
12 nm
14 nm
Number of transistors
6,600 million
2,200 million
Pipelines / CUDA cores
1280
640
Power consumption (TDP)
-
50 Watt
Texture fill rate
127.2
38.98
Memory type
GDDR6
GDDR5
Maximum RAM amount
6 GB
4 GB
Memory bus width
192 Bit
64 Bit
Memory clock speed
16000 MHz
6000 MHz
Memory bandwidth
384.0 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 3x 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
1.2.140
1.2.131
FreeSync
-
+