Radeon R9 280 and Radeon R9 380X - video card comparison
Passmark - benchmark score Radeon R9 280 vs Radeon R9 380X
Radeon R9 280
5726
Radeon R9 380X
6380
Radeon R9 280
Radeon R9 380X
Architecture
GCN 1.0 (2012−2020)
GCN 3.0 (2014−2017)
GPU code name
Tahiti
Antigua
Market segment
Desktop
Desktop
Release date
March 2014
November 2015
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
2 x 6-pin
Bridgeless CrossFire
-
1
Boost clock speed
933 MHz
970 MHz
Compute units
-
32
Floating-point performance
3,344 gflops
3,973 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
5,000 million
Pipelines / CUDA cores
1792
2048
Power consumption (TDP)
200 Watt
190 Watt
Texture fill rate
104.5
124.2
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
4 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
1250 MHz
970 MHz
Memory bandwidth
240 GB/s
182.4 GB/s
High bandwidth memory (HBM)
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
1
1
Number of Eyefinity displays
-
6
HDMI
+
+
DisplayPort support
-
+
DirectX
DirectX® 12
DirectX® 12
Mantle
-
+
OpenCL
1.2
2.0
OpenGL
4.6
4.5
Shader Model
5.1
6.3
Vulkan
+
+
AppAcceleration
-
-
CrossFire
1
1
DDMA audio
+
+
Enduro
-
-
FreeSync
1
1
FRTC
-
1
HD3D
+
+
LiquidVR
1
1
PowerTune
-
+
TressFX
1
-
TrueAudio
+
+
UVD
+
-
VCE
-
+
ZeroCore
-
+