Radeon RX 480 and Radeon R9 270X - video card comparison
Passmark - benchmark score Radeon RX 480 vs Radeon R9 270X
Radeon RX 480
8883
Radeon R9 270X
5036
Radeon RX 480
Radeon R9 270X
Architecture
Polaris (2016−2019)
GCN (2011−2017)
GPU code name
Polaris 10 Ellesmere
Curacao XT
Market segment
Desktop
Desktop
Release date
June 2016
October 2013
Bus support
n/a
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
2 x 6-pin
Bridgeless CrossFire
1
-
Boost clock speed
1266 MHz
1050 MHz
Compute units
36
-
Core clock speed
1120 MHz
-
Floating-point performance
5,834 gflops
2,688 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
2,800 million
Pipelines / CUDA cores
2304
1280
Power consumption (TDP)
150 Watt
180 Watt
Texture fill rate
182.3
84.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
8000 MHz
-
Memory bandwidth
224 GB/s
179.2 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
1
+
HDMI
2.0
+
DisplayPort support
1.4HDR
+
DirectX
DirectX® 12
DirectX® 12
Mantle
n/a
-
OpenCL
2.0
1.2
OpenGL
4.5
4.6
Shader Model
6.4
5.1
Vulkan
+
+
AppAcceleration
n/a
+
CrossFire
1
1
DDMA audio
-
+
Enduro
n/a
-
FreeSync
+
1
FRTC
1
-
HD3D
n/a
+
LiquidVR
1
1
PowerTune
+
-
TressFX
1
1
TrueAudio
n/a
+
UVD
+
+
VCE
+
-
ZeroCore
+
-