
Radeon RX 640 and RTX A2000 - video card comparison
Passmark - benchmark score Radeon RX 640 vs RTX A2000
Radeon RX 640
2020
RTX A2000
14164
Radeon RX 640
RTX A2000
Architecture
Polaris (2016−2019)
Ampere (2020−2022)
GPU code name
Polaris 12
GA106
Market segment
Laptop
Desktop
Release date
August 2019
August 2021
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
None
Boost clock speed
1218 MHz
1200 MHz
Core clock speed
1218 MHz
-
Manufacturing process technology
14 nm
8 nm
Number of transistors
2,200 million
12,000 million
Pipelines / CUDA cores
640
3328
Power consumption (TDP)
50 Watt
70 Watt
Texture fill rate
38.98
124.8
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
6 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
6000 MHz
12 GB/s
Memory bandwidth
112.0 GB/s
288.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
4x mini-DisplayPort 1.4a
HDMI
+
-
DirectX
12 (12_0)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.4
6.7
Vulkan
1.2.131
1.3
FreeSync
+
-