Radeon RX 540 and Radeon RX 455 OEM - video card comparison
Radeon RX 540
Radeon RX 455 OEM
Architecture
Polaris (2016−2019)
GCN 2.0 (2013−2017)
GPU code name
Polaris 12
Tobago
Market segment
Laptop
Desktop
Release date
March 2017
June 2016
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Boost clock speed
1219 MHz
-
Core clock speed
-
1050 MHz
Floating-point performance
1,248 gflops
1,613 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
1,500 million
2,080 million
Pipelines / CUDA cores
512
768
Power consumption (TDP)
75 Watt
100 Watt
Texture fill rate
39.01
50.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
6000 MHz
6500 MHz
Memory bandwidth
96 GB/s
104.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12.0
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.0
6.3
Vulkan
-
1.2.131
FreeSync
+
-