Radeon RX 6800 and Radeon Instinct MI250 - video card comparison
Radeon RX 6800
Radeon Instinct MI250
Architecture
Navi / RDNA2 (2020−2022)
CDNA 2.0 (2021)
GPU code name
Navi 21
Aldebaran
Market segment
Desktop
Desktop
Release date
November 2020
November 2021
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
2x 8-pin
Boost clock speed
2105 MHz
1700 MHz
Core clock speed
1815 MHz
-
Manufacturing process technology
7 nm
6 nm
Number of transistors
26,800 million
58,200 million
Pipelines / CUDA cores
3840
13312
Power consumption (TDP)
250 Watt
500 Watt
Texture fill rate
505.2
1,414
Memory type
GDDR6
HBM2e
Maximum RAM amount
16 GB
128 GB
Memory bus width
256 Bit
8192 Bit
Memory clock speed
16000 MHz
3.2 GB/s
Memory bandwidth
512.0 GB/s
3,277 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
2.0
3.0
OpenGL
4.6
N/A
Shader Model
6.5
N/A
Vulkan
1.2
N/A