Radeon R9 390 and Radeon RX 5800 XT - video card comparison
Radeon R9 390
Radeon RX 5800 XT
Architecture
GCN 2.0 (2013−2017)
RDNA 2.0 (2020−2022)
GPU code name
Grenada
Navi 23
Market segment
Desktop
Desktop
Release date
June 2015
-
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1 x 6-pin, 1 x 8-pin
2x 8-pin
Bridgeless CrossFire
1
-
Boost clock speed
1000 MHz
1775 MHz
Floating-point performance
5,120 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
6,200 million
-
Pipelines / CUDA cores
2560
3328
Power consumption (TDP)
275 Watt
275 Watt
Texture fill rate
160.0
369.2
Memory type
GDDR5
GDDR6
Maximum RAM amount
0 MB
8 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1000 MHz
14000 MHz
Memory bandwidth
384 GB/s
448.0 GB/s
High bandwidth memory (HBM)
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x HDMI, 3x DisplayPort
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
12 Ultimate (12_1)
Mantle
+
-
OpenCL
2.0
-
OpenGL
4.6
4.6
Shader Model
6.3
-
Vulkan
+
-
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
-
-