Quadro K620 and Radeon 660M - video card comparison
Passmark - benchmark score Quadro K620 vs Radeon 660M
Quadro K620
2297
Radeon 660M
6474
Quadro K620
Radeon 660M
Architecture
Maxwell (2014−2018)
RDNA 2 (2020−2022)
GPU code name
GM107
RDNA 2 Rembrandt
Market segment
Workstation
Laptop
Release date
July 2014
January 2022
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
1900 MHz
Core clock speed
1058 MHz
-
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
1,870 million
13,100 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
41 Watt
45 Watt
Texture fill rate
26.98
45.60
Memory type
128 Bit
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
1800 MHz
System Shared
Memory bandwidth
Up to 29 GB/s
-
Shared memory
-
-
Display Connectors
DVI-I DP
No outputs
Number of simultaneous displays
4
-
DirectX
12
12 (12_1)
CUDA
5.0
-
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
5
6.5
Vulkan
+
1.2
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-