Quadro P400 and Radeon RX 640 - video card comparison
Passmark - benchmark score Quadro P400 vs Radeon RX 640
Quadro P400
1690
Radeon RX 640
2020
Quadro P400
Radeon RX 640
Architecture
Pascal (2016−2021)
Polaris (2016−2019)
GPU code name
GP107
Polaris 12
Market segment
Workstation
Laptop
Release date
February 2017
August 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1252 MHz
1218 MHz
Core clock speed
1228 MHz
1218 MHz
Floating-point performance
679.9 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
3,300 million
2,200 million
Pipelines / CUDA cores
256
640
Power consumption (TDP)
30 Watt
50 Watt
Texture fill rate
20.03
38.98
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
4008 MHz
6000 MHz
Memory bandwidth
32.06 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
3x mini-DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (12_1)
12 (12_0)
CUDA
6.1
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.2.131
1.2.131
FreeSync
-
+