Quadro P400 and Radeon 660M - video card comparison
Passmark - benchmark score Quadro P400 vs Radeon 660M
Quadro P400
1690
Radeon 660M
6474
Quadro P400
Radeon 660M
Architecture
Pascal (2016−2021)
RDNA 2 (2020−2022)
GPU code name
GP107
RDNA 2 Rembrandt
Market segment
Workstation
Laptop
Release date
February 2017
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1252 MHz
1900 MHz
Core clock speed
1228 MHz
-
Floating-point performance
679.9 gflops
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
3,300 million
13,100 million
Pipelines / CUDA cores
256
384
Power consumption (TDP)
30 Watt
45 Watt
Texture fill rate
20.03
45.60
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
4008 MHz
System Shared
Memory bandwidth
32.06 GB/s
-
Shared memory
-
-
Display Connectors
3x mini-DisplayPort
No outputs
DirectX
12 (12_1)
12 (12_1)
CUDA
6.1
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2