Radeon R9 270X and Radeon R9 270 - video card comparison
Passmark - benchmark score Radeon R9 270X vs Radeon R9 270
Radeon R9 270X
5036
Radeon R9 270
4435
Radeon R9 270X
Radeon R9 270
Architecture
GCN (2011−2017)
GCN 1.0 (2012−2020)
GPU code name
Curacao XT
Curacao
Market segment
Desktop
Desktop
Release date
October 2013
November 2013
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
1 x 6-pin
Boost clock speed
1050 MHz
925 MHz
Floating-point performance
2,688 gflops
2,368 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
2,800 million
Pipelines / CUDA cores
1280
1280
Power consumption (TDP)
180 Watt
150 Watt
Texture fill rate
84.00
74.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory bandwidth
179.2 GB/s
179.2 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
+
1
HDMI
+
+
DisplayPort support
+
+
DirectX
DirectX® 12
DirectX® 12
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
+
AppAcceleration
+
-
CrossFire
1
1
DDMA audio
+
+
Enduro
-
-
FreeSync
1
1
HD3D
+
+
LiquidVR
1
1
PowerTune
-
-
TressFX
1
1
TrueAudio
+
+
UVD
+
+
ZeroCore
-
-