Radeon RX 480 and Quadro K420 - video card comparison
Passmark - benchmark score Radeon RX 480 vs Quadro K420
Radeon RX 480
8883
Quadro K420
768
Radeon RX 480
Quadro K420
Architecture
Polaris (2016−2019)
Kepler (2012−2018)
GPU code name
Polaris 10 Ellesmere
GK107
Market segment
Desktop
Workstation
Release date
June 2016
July 2014
Bus support
n/a
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Bridgeless CrossFire
1
-
Boost clock speed
1266 MHz
-
Compute units
36
-
Core clock speed
1120 MHz
876 MHz
Floating-point performance
5,834 gflops
336.4 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
1,270 million
Pipelines / CUDA cores
2304
192
Power consumption (TDP)
150 Watt
41 Watt
Texture fill rate
182.3
14.02
Memory type
GDDR5
128 Bit
Maximum RAM amount
8 GB
1 GB/2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
8000 MHz
1782 MHz
Memory bandwidth
224 GB/s
Up to 29 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
DVI-I DP
Number of simultaneous displays
-
4
Eyefinity
1
-
HDMI
2.0
-
DisplayPort support
1.4HDR
-
DirectX
DirectX® 12
12
CUDA
-
3.0
Mantle
n/a
-
OpenCL
2.0
1.2
OpenGL
4.5
4.5
Shader Model
6.4
5
Vulkan
+
+
3D Vision Pro
-
+
AppAcceleration
n/a
-
CrossFire
1
-
Enduro
n/a
-
FreeSync
+
-
FRTC
1
-
HD3D
n/a
-
LiquidVR
1
-
Mosaic
-
+
nView Desktop Management
-
+
PowerTune
+
-
TressFX
1
-
TrueAudio
n/a
-
UVD
+
-
VCE
+
-
ZeroCore
+
-