Flop
per.io
GPU Specification Sheet
July 18, 2026
flopper.io/gpu/amd-mi250x-128gb
AMD MI250X 128GB
CDNA 2
OAM
2021
6nm
Overview
47.9
FP32 TFLOPS
128 GB
VRAM
3.3 TB/s
Memory Bandwidth
560 W
TDP
Performance Metrics
Precision
Peak TFLOPS
Bits
Type
INT8
383.0
8
Standard
INT4
383.0
4
Standard
FP16
383.0
16
Standard
BF16
383.0
16
Standard
FP32
47.9
32
Standard
FP64
47.9
64
Standard
Memory Specifications
Capacity
128 GB
Type
—
Bandwidth
3.3 TB/s
Interface Width
—
Power & Efficiency
TDP
560 W
Est. Max Power
644 W
FP32 Efficiency
0.09 TFLOPS/W
FP16 Efficiency
0.68 TFLOPS/W
Hardware Details
Vendor:
AMD
Architecture:
CDNA 2
Process Node:
6nm
Form Factor:
OAM
Launch Year:
2021
Variant:
128GB