
Radeon RX 640 and Quadro P520 - video card comparison
Passmark - benchmark score Radeon RX 640 vs Quadro P520
Radeon RX 640
2020
Quadro P520
2158
Radeon RX 640
Quadro P520
Architecture
Polaris (2016−2019)
Pascal (2016−2021)
GPU code name
Polaris 12
GP108
Market segment
Laptop
Mobile workstation
Release date
August 2019
May 2019
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
None
Boost clock speed
1218 MHz
1493 MHz
Core clock speed
1218 MHz
1303 MHz
Manufacturing process technology
14 nm
14 nm
Number of transistors
2,200 million
1,800 million
Pipelines / CUDA cores
640
384
Power consumption (TDP)
50 Watt
18 Watt
Texture fill rate
38.98
35.83
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
6000 MHz
6000 MHz
Memory bandwidth
112.0 GB/s
48.06 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
CUDA
-
6.1
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.2.131
1.2.131
FreeSync
+
-