Radeon RX 455 OEM and Whistler - video card comparison
Radeon RX 455 OEM
Whistler
Architecture
GCN 2.0 (2013−2017)
TeraScale 2 (2009−2015)
GPU code name
Tobago
Whistler
Market segment
Desktop
Desktop
Release date
June 2016
-
Interface
PCIe 3.0 x16
-
Supplementary power connectors
1x 6-pin
-
Core clock speed
1050 MHz
-
Floating-point performance
1,613 gflops
-
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,080 million
716 million
Pipelines / CUDA cores
768
480
Power consumption (TDP)
100 Watt
-
Texture fill rate
50.40
-
Memory type
GDDR5
-
Maximum RAM amount
2 GB
-
Memory bus width
128 Bit
-
Memory clock speed
6500 MHz
-
Memory bandwidth
104.0 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
-
HDMI
+
-
DirectX
12 (12_0)
11.2 (11_0)
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.3
5.0
Vulkan
1.2.131
N/A