Radeon RX 455 OEM and Graphics Ultra - video card comparison
Radeon RX 455 OEM
Graphics Ultra
Architecture
GCN 2.0 (2013−2017)
Mach (1992−1997)
GPU code name
Tobago
Mach8
Market segment
Desktop
Desktop
Release date
June 2016
1992
Interface
PCIe 3.0 x16
ISA 16 Bit
Supplementary power connectors
1x 6-pin
None
Core clock speed
1050 MHz
10 MHz
Floating-point performance
1,613 gflops
-
Manufacturing process technology
28 nm
800 nm
Number of transistors
2,080 million
-
Pipelines / CUDA cores
768
-
Power consumption (TDP)
100 Watt
-
Texture fill rate
50.40
-
Memory type
GDDR5
VRAM
Maximum RAM amount
2 GB
1 MB
Memory bus width
128 Bit
32 Bit
Memory clock speed
6500 MHz
10 MHz
Memory bandwidth
104.0 GB/s
40 MB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x VGA
HDMI
+
-
DirectX
12 (12_0)
N/A
OpenCL
2.0
N/A
OpenGL
4.6
N/A
Shader Model
6.3
-
Vulkan
1.2.131
N/A