
Radeon R9 380X and Radeon X1650 XT Dual - video card comparison
Radeon R9 380X
Radeon X1650 XT Dual
Architecture
GCN 3.0 (2014−2017)
R500 (2005−2007)
GPU code name
Antigua
RV560
Market segment
Desktop
Desktop
Release date
November 2015
October 2006
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
2 x 6-pin
1x 6-pin
Bridgeless CrossFire
1
-
Boost clock speed
970 MHz
-
Compute units
32
-
Core clock speed
-
525 MHz
Floating-point performance
3,973 gflops
-
Manufacturing process technology
28 nm
80 nm
Number of transistors
5,000 million
330 million
Pipelines / CUDA cores
2048
-
Power consumption (TDP)
190 Watt
-
Texture fill rate
124.2
4.200
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
970 MHz
1400 MHz
Memory bandwidth
182.4 GB/s
22.4 GB/s
High bandwidth memory (HBM)
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
9.0c (9_3)
Mantle
+
-
OpenCL
2.0
N/A
OpenGL
4.5
2.0
Shader Model
6.3
3.0
Vulkan
+
N/A
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
FRTC
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
+
-