Radeon RX 455 OEM and Radeon R9 380 OEM - video card comparison
Radeon RX 455 OEM
Radeon R9 380 OEM
Architecture
GCN 2.0 (2013−2017)
GCN 3.0 (2014−2017)
GPU code name
Tobago
Antigua
Market segment
Desktop
Desktop
Release date
June 2016
May 2015
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
2x 6-pin
Core clock speed
1050 MHz
918 MHz
Floating-point performance
1,613 gflops
3,290 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
5,000 million
Pipelines / CUDA cores
768
1792
Power consumption (TDP)
100 Watt
190 Watt
Texture fill rate
50.40
102.8
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
6500 MHz
5500 MHz
Memory bandwidth
104.0 GB/s
176.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.3
6.3
Vulkan
1.2.131
1.2.131