Quadro K620 and Radeon R7 450 OEM - video card comparison
Quadro K620
Radeon R7 450 OEM
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
GM107
Cape Verde
Market segment
Workstation
Desktop
Release date
July 2014
June 2016
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
-
Core clock speed
1058 MHz
925 MHz
Floating-point performance
863.2 gflops
947.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
1,500 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
41 Watt
65 Watt
Texture fill rate
26.98
29.60
Memory type
128 Bit
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
4.5 GB/s
Memory bandwidth
Up to 29 GB/s
72 GB/s
Display Connectors
DVI-I DP
1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
Number of simultaneous displays
4
-
HDMI
-
+
DirectX
12
12 (11_1)
CUDA
5.0
-
OpenCL
1.2
2.1 (1.2)
OpenGL
4.5
4.6
Shader Model
5
6.5 (5.1)
Vulkan
+
1.2.170
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-