Radeon RX 6900 XT and Radeon Instinct MI300X - video card comparison
Radeon RX 6900 XT
Radeon Instinct MI300X
Architecture
Navi / RDNA2 (2020−2022)
CDNA 3.0
GPU code name
Navi 21
Aqua Vanjaram
Market segment
Desktop
Desktop
Release date
December 2020
December 2023
Interface
PCIe 4.0 x16
PCIe 5.0 x16
Supplementary power connectors
2x 8-pin
None
Boost clock speed
2250 MHz
2100 MHz
Core clock speed
1825 MHz
-
Manufacturing process technology
7 nm
5 nm
Number of transistors
26,800 million
153,000 million
Pipelines / CUDA cores
5120
19456
Power consumption (TDP)
300 Watt
750 Watt
Texture fill rate
720.0
2,554
Memory type
GDDR6
HBM3
Maximum RAM amount
16 GB
192 GB
Memory bus width
256 Bit
8192 Bit
Memory clock speed
16000 MHz
5 GB/s
Memory bandwidth
512.0 GB/s
5,171 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort, 1x USB Type-C
No outputs
HDMI
+
-
DirectX
12 Ultimate (12_2)
N/A
OpenCL
2.1
3.0
OpenGL
4.6
N/A
Shader Model
6.5
N/A
Vulkan
1.2
N/A