AMD Radeon Instinct MI250 vs AMD Radeon RX 6400
GPU · Specs Compare
Graphics Card
Release Date
Nov 2021
Jan 2022
Generation
Radeon Instinct
Navi II
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x4
Clock Speeds
Base Clock
1000 MHz
1923 MHz
Boost Clock
1700 MHz
2321 MHz
Memory Clock
1600 MHz
2000 MHz
Memory
Memory Size
128GB
4GB
Memory Type
HBM2e
GDDR6
Memory Bus
8192bit
64bit
Bandwidth
3277GB/s
128.0GB/s
Render Config
Compute Units
208
12
Shading Units
13312
768
TMUs
832
48
ROPs
0
32
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
16 MB
1024 KB
RT Cores
—
12
L3 Cache
—
16 MB
Theoretical Performance
Pixel Rate
0 MPixel/s
74.27 GPixel/s
Texture Rate
1414 GTexel/s
111.4 GTexel/s
FP16 (half)
362.1 TFLOPS
7.130 TFLOPS
FP32 (float)
45.26 TFLOPS
3.565 TFLOPS
FP64 (double)
45.26 TFLOPS
222.8 GFLOPS
Graphics Processor
GPU Name
Aldebaran
Navi 24
GPU Variant
Aldebaran
Navi 24 XL(215-135000046)
Architecture
CDNA 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
6 nm
6 nm
Transistors
58.2 billion
5.4 billion
Die Size
Unknown
107 mm²
Board Design
TDP
500W
53W
Suggested PSU
900 W
250 W
Outputs
No outputs
1x HDMI 2.11x DisplayPort 1.4a
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.2
Vulkan
N/A
1.3
Shader Model
N/A
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.