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per.io
GPU Specification Sheet
August 11, 2026
flopper.io/gpu/tenstorrent-blackhole-p150b
Tenstorrent Blackhole p150b
Blackhole
PCIe
Overview
—
FP32 TFLOPS
32 GB
VRAM GDDR6
512 GB/s
Memory Bandwidth
300 W
TDP
Performance Metrics
Precision
Peak TFLOPS
Bits
Type
FP8
664.0
8
Standard
Memory Specifications
Capacity
32 GB
Type
GDDR6
Bandwidth
512 GB/s
Interface Width
—
Power & Efficiency
TDP
300 W
Est. Max Power
345 W
FP32 Efficiency
—
FP16 Efficiency
—
Hardware Details
Vendor:
Tenstorrent
Architecture:
Blackhole
Process Node:
—
Form Factor:
PCIe
Launch Year:
—
Variant:
p150b
Compute Engine
Tensix:
120
Interconnect
GPU-to-GPU:
4x QSFP-DD 800G (Passive)
PCIe:
5.0 x16