Radeon R9 270 and Radeon RX 540X - video card comparison
Radeon R9 270
Radeon RX 540X
Architecture
GCN 1.0 (2012−2020)
GCN 4.0 (2016−2020)
GPU code name
Curacao
Polaris 12
Market segment
Desktop
Laptop
Release date
November 2013
March 2018
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1 x 6-pin
None
Boost clock speed
925 MHz
1219 MHz
Floating-point performance
2,368 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
2,800 million
2,200 million
Pipelines / CUDA cores
1280
512
Power consumption (TDP)
150 Watt
50 Watt
Texture fill rate
74.00
35.97
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
6000 MHz
Memory bandwidth
179.2 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
1
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
12 (12_0)
Mantle
-
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
+
1.2.131
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
+
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-