Quadro P400 and Radeon RX 640 OEM - video card comparison
Quadro P400
Radeon RX 640 OEM
Architecture
Pascal (2016−2021)
GCN 4.0 (2016−2020)
GPU code name
GP107
Polaris 23
Market segment
Workstation
Desktop
Release date
February 2017
April 2020
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1252 MHz
-
Core clock speed
1228 MHz
1295 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
51.80
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
4008 MHz
6 GB/s
Memory bandwidth
32.06 GB/s
96 GB/s
Display Connectors
3x mini-DisplayPort
1x DisplayPort 1.4a, 2x mini-DisplayPort 1.4a
DirectX
12 (12_1)
12 (12_0)
CUDA
6.1
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.7 (6.4)
Vulkan
1.2.131
1.3