Quadro K420 and Radeon RX 6650 XT - video card comparison
Passmark - benchmark score Quadro K420 vs Radeon RX 6650 XT
Quadro K420
768
Radeon RX 6650 XT
17803
Quadro K420
Radeon RX 6650 XT
Architecture
Kepler (2012−2018)
Navi / RDNA2 (2020−2022)
GPU code name
GK107
Navi 23
Market segment
Workstation
Desktop
Release date
July 2014
May 2022
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
1x 8-pin
Boost clock speed
-
2635 MHz
Core clock speed
876 MHz
2055 MHz
Floating-point performance
336.4 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
1,270 million
11,060 million
Pipelines / CUDA cores
192
2048
Power consumption (TDP)
41 Watt
176 Watt
Texture fill rate
14.02
337.3
Memory type
128 Bit
GDDR6
Maximum RAM amount
1 GB/2 GB
8 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
17500 MHz
Memory bandwidth
Up to 29 GB/s
280.3 GB/s
Display Connectors
DVI-I DP
1x HDMI 2.1, 3x DisplayPort 1.4a
Number of simultaneous displays
4
-
HDMI
-
+
DirectX
12
12 Ultimate (12_2)
CUDA
3.0
-
OpenCL
1.2
2.1
OpenGL
4.5
4.6
Shader Model
5
6.5
Vulkan
+
1.3
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-