Radeon R9 270 and Radeon 9550 - video card comparison
Passmark - benchmark score Radeon R9 270 vs Radeon 9550
Radeon R9 270
4435
Radeon 9550
35
Radeon R9 270
Radeon 9550
Architecture
GCN 1.0 (2012−2020)
Rage 8 (2002−2006)
GPU code name
Curacao
RV350
Market segment
Desktop
Desktop
Release date
November 2013
October 2003
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
AGP 8x
Supplementary power connectors
1 x 6-pin
None
Boost clock speed
925 MHz
-
Core clock speed
-
250 MHz
Floating-point performance
2,368 gflops
-
Manufacturing process technology
28 nm
130 nm
Number of transistors
2,800 million
60 million
Pipelines / CUDA cores
1280
-
Power consumption (TDP)
150 Watt
-
Texture fill rate
74.00
1.000
Memory type
GDDR5
DDR
Maximum RAM amount
2 GB
64 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
400 MHz
Memory bandwidth
179.2 GB/s
6.4 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
Eyefinity
1
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
9.0 (9_0)
Mantle
-
-
OpenCL
1.2
N/A
OpenGL
4.6
2.0
Shader Model
5.1
-
Vulkan
+
N/A
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-