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GPU Specification Sheet
June 10, 2026
flopper.io/gpu/amd-instinct-mi250-128gb
AMD Instinct MI250 128GB
CDNA 2
OAM
2021
6nm
Overview
45.3
FP32 TFLOPS
128 GB
VRAM HBM2e
3.3 TB/s
Memory Bandwidth
500 W
TDP
Performance Metrics
Precision
Peak TFLOPS
Bits
Type
INT8
362.1
8
Standard
INT4
362.1
4
Standard
FP16
362.1
16
Standard
BF16
362.1
16
Standard
FP32
45.3
32
Standard
FP64
45.3
64
Standard
Memory Specifications
Capacity
128 GB
Type
HBM2e
Bandwidth
3.3 TB/s
Interface Width
—
Power & Efficiency
TDP
500 W
Est. Max Power
575 W
FP32 Efficiency
0.09 TFLOPS/W
FP16 Efficiency
0.72 TFLOPS/W
Hardware Details
Vendor:
AMD
Architecture:
CDNA 2
Process Node:
6nm
Form Factor:
OAM
Launch Year:
2021
Variant:
128GB