Radeon R9 380X and Radeon RX 6400 - video card comparison
Passmark - benchmark score Radeon R9 380X vs Radeon RX 6400
Radeon R9 380X
6380
Radeon RX 6400
7778
Radeon R9 380X
Radeon RX 6400
Architecture
GCN 3.0 (2014−2017)
RDNA 2.0 (2020−2022)
GPU code name
Antigua
Navi 24
Market segment
Desktop
Desktop
Release date
November 2015
January 2022
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x4
Supplementary power connectors
2 x 6-pin
None
Bridgeless CrossFire
1
-
Boost clock speed
970 MHz
2321 MHz
Compute units
32
-
Floating-point performance
3,973 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
5,000 million
5,400 million
Pipelines / CUDA cores
2048
768
Power consumption (TDP)
190 Watt
53 Watt
Texture fill rate
124.2
111.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
970 MHz
16 GB/s
Memory bandwidth
182.4 GB/s
128.0 GB/s
High bandwidth memory (HBM)
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1, 1x DisplayPort 1.4a
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
12 Ultimate (12_2)
Mantle
+
-
OpenCL
2.0
2.2
OpenGL
4.5
4.6
Shader Model
6.3
6.6
Vulkan
+
1.3
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
FRTC
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
+
-