Radeon R9 380X and Radeon RX 6600 - video card comparison
Passmark - benchmark score Radeon R9 380X vs Radeon RX 6600
Radeon R9 380X
6380
Radeon RX 6600
15586
Radeon R9 380X
Radeon RX 6600
Architecture
GCN 3.0 (2014−2017)
Navi / RDNA2 (2020−2022)
GPU code name
Antigua
Navi 23
Market segment
Desktop
Desktop
Release date
November 2015
October 2021
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
2 x 6-pin
1x 8-pin
Bridgeless CrossFire
1
-
Boost clock speed
970 MHz
2491 MHz
Compute units
32
-
Core clock speed
-
2044 MHz
Floating-point performance
3,973 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
5,000 million
11,060 million
Pipelines / CUDA cores
2048
1792
Power consumption (TDP)
190 Watt
132 Watt
Texture fill rate
124.2
279.0
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
8 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
970 MHz
14500 MHz
Memory bandwidth
182.4 GB/s
224.0 GB/s
High bandwidth memory (HBM)
-
-
Shared memory
-
-
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
12.0 Ultimate (12_2)
Mantle
+
-
OpenCL
2.0
2.1
OpenGL
4.5
4.6
Shader Model
6.3
6.5
Vulkan
+
1.2
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
FRTC
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
+
-