
Radeon R9 390 X2 and Xbox Series X GPU - video card comparison
Radeon R9 390 X2
Xbox Series X GPU
Architecture
GCN 2.0 (2013−2017)
RDNA 2.0 (2020−2022)
GPU code name
Grenada
Scarlett
Market segment
Desktop
Desktop
Release date
September 2015
November 2020
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
4x 8-pin
-
Boost clock speed
-
1725 MHz
Core clock speed
1000 MHz
1825 MHz
Floating-point performance
2x 5,120 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
6,200 million
15,300 million
Pipelines / CUDA cores
2560
3328
Power consumption (TDP)
580 Watt
200 Watt
Texture fill rate
160.0
379.6
Memory type
GDDR5
GDDR6
Maximum RAM amount
8 GB
10 GB
Memory bus width
512 Bit
320 Bit
Memory clock speed
5400 MHz
14 GB/s
Memory bandwidth
345.6 GB/s
560.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
6.5
Vulkan
1.2.131
1.2