Radeon R9 270 and Stream Processor - video card comparison
Radeon R9 270
Stream Processor
Architecture
GCN 1.0 (2012−2020)
Ultra-Threaded SE
GPU code name
Curacao
R580
Market segment
Desktop
Desktop
Release date
November 2013
2006
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
1 x 6-pin
1x 6-pin
Boost clock speed
925 MHz
-
Core clock speed
-
594 MHz
Floating-point performance
2,368 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
2,800 million
384 million
Pipelines / CUDA cores
1280
-
Power consumption (TDP)
150 Watt
165 Watt
Texture fill rate
74.00
9.504
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
-
1296 MBps
Memory bandwidth
179.2 GB/s
41.47 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
Eyefinity
1
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
9.0c (9_3)
Mantle
-
-
OpenCL
1.2
N/A
OpenGL
4.6
2.1 (full)
Shader Model5.13.0
Vulkan
+
N/A
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-