Radeon R9 270 and Radeon R9 280X2 - video card comparison
Radeon R9 270
Radeon R9 280X2
Architecture
GCN 1.0 (2012−2020)
GCN 1.0 (2012−2020)
GPU code name
Curacao
Tahiti
Market segment
Desktop
Desktop
Release date
November 2013
-
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin
3x 8-pin
Boost clock speed
925 MHz
1000 MHz
Floating-point performance
2,368 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
4,313 million
Pipelines / CUDA cores
1280
2048
Power consumption (TDP)
150 Watt
375 Watt
Texture fill rate
74.00
128.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
-
6 GB/s
Memory bandwidth
179.2 GB/s
288.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
6x mini-DisplayPort 1.2
Eyefinity
1
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
12 (11_1)
Mantle
-
-
OpenCL
1.2
2.1 (1.2)
OpenGL
4.6
4.6
Shader Model
5.1
6.5 (5.1)
Vulkan
+
1.2.170
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-