AMD Radeon RX 7400 vs AMD Radeon Instinct MI250
GPU Specs Compare
Graphics Card
Release Date
Aug 2025
Nov 2021
Generation
Navi III
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1452 MHz
1000 MHz
Boost Clock
2300 MHz
1700 MHz
Memory Clock
2250 MHz
1600 MHz
Memory
Memory Size
8GB
128GB
Memory Type
GDDR6
HBM2e
Memory Bus
128bit
8192bit
Bandwidth
288.0GB/s
3277GB/s
Render Config
Compute Units
28
208
Shading Units
1792
13312
TMUs
112
832
ROPs
64
0
RT Cores
28
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
16 MB
L3 Cache
64 MB
-
Theoretical Performance
Pixel Rate
147.2 GPixel/s
0 MPixel/s
Texture Rate
257.6 GTexel/s
1414 GTexel/s
FP16 (half)
32.97 TFLOPS
362.1 TFLOPS
FP32 (float)
16.49 TFLOPS
45.26 TFLOPS
FP64 (double)
515.2 GFLOPS
45.26 TFLOPS
Graphics Processor
GPU Name
Navi 33
Aldebaran
GPU Variant
Navi 33
Aldebaran
Architecture
RDNA 3.0
CDNA 2.0
Foundry
TSMC
TSMC
Process Size
6 nm
6 nm
Transistors
13.3 billion
58.2 billion
Die Size
204 mm²
Unknown
Board Design
TDP
43W
500W
Suggested PSU
200 W
900 W
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
No outputs
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.2
3.0
Vulkan
1.3
N/A
Shader Model
6.8
N/A