Google M.2 Dual Edge TPU vs Google Coral USB Accelerator
Google M.2 Dual Edge TPU is both faster and cheaper here - the default pick unless you need something specific from the other.
The verdict
- Frigate
- Google M.2 Dual Edge TPU handles more cameras (~10 vs ~5).
- Fit
- Google Coral USB Accelerator is easier to add to a mini-PC (USB, fits any box).
Which wins for each job
| Job | Google M.2 Dual Edge TPU | Google Coral USB Accelerator |
|---|---|---|
| Plex transcode | none | none |
| Frigate NVR | ~10 cameras win | ~5 cameras |
| Local LLM | none | none |
| Fits a mini-PC | M.2, needs a spare slot | USB, fits any box win |
Approximate - capacity estimates from curated specs, the same logic as the recommender. Verify against your exact setup. Prices move; check the retailer.
Full specs
| Spec | Google M.2 Dual Edge TPU | Google Coral USB Accelerator |
|---|---|---|
| Price (list) | $40 | $60 |
| Type | tpu | tpu |
| Interface | m2-ae | usb |
| Transcode | - | - |
| Frigate detector | EdgeTPU (native) | EdgeTPU (native) |
| TOPS | 8 | 4 |
| VRAM (GB) | - | - |
| Low profile | no | no |
| GPU sharing | - | - |
| Power (W) | 4 | 2 |