Radeon R9 380X and Radeon R9 M290X Crossfire - video card comparison
Radeon R9 380X
Radeon R9 M290X Crossfire
Architecture
GCN 3.0 (2014−2017)
GCN (2011−2017)
GPU code name
Antigua
Neptune CF
Market segment
Desktop
Laptop
Release date
November 2015
March 2014
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
-
Supplementary power connectors
2 x 6-pin
-
Bridgeless CrossFire
1
-
Boost clock speed
970 MHz
900 MHz
Compute units
32
-
Core clock speed
-
850 MHz
Floating-point performance
3,973 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
2x 2800 Million
Pipelines / CUDA cores
2048
2560
Power consumption (TDP)
190 Watt
200 Watt
Texture fill rate
124.2
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2x 4 GB
Memory bus width
256 Bit
2x 256 Bit
Memory clock speed
970 MHz
4800 MHz
Memory bandwidth
182.4 GB/s
-
High bandwidth memory (HBM)
-
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
-
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
12 (FL 11_1)
Mantle
+
-
OpenCL
2.0
-
OpenGL
4.5
-
Shader Model
6.3
-
Vulkan
+
-
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
FRTC
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
+
-