mmWave vs Terahertz
Detailed technical comparison of mmWave and Terahertz across key performance metrics, technology specifications, and real-world capabilities.
| Parameter | mmWave | Terahertz |
|---|---|---|
| Frequency | 24–100 GHz | 0.3–10 THz |
| Bandwidth | 400 MHz – 2 GHz | 10+ GHz ✓ |
| Peak Data Rate | ~10 Gbps | 100+ Tbps (theoretical) ✓ |
| Range | ~200 m outdoor ✓ | ~10 m (current) |
| Wall Penetration | Very limited ✓ | None |
| Commercial Status | Deployed in 5G ✓ | Lab demos only |
| Power Efficiency | Moderate ✓ | Very low (current) |
| Beam Width | Narrow | Extremely narrow |
| Weather Sensitivity | Moderate (rain) ✓ | High (rain, humidity) |
| Generation | 5G/6G | 7G |
Visual Comparison
Relative performance across key metrics
Verdict
mmWave is proven technology deployed in 5G networks today. Terahertz offers vastly more bandwidth but faces enormous engineering challenges — range, power, penetration. THz is the path to 7G, but commercialization is 15+ years away.
Parameter-by-parameter
Who wins each metric, based on the specs above.
- Frequency — 'tie' (mmWave: 24–100 GHz · Terahertz: 0.3–10 THz)
- Bandwidth — Terahertz 'wins on' (mmWave: 400 MHz – 2 GHz · Terahertz: 10+ GHz)
- Peak Data Rate — Terahertz 'wins on' (mmWave: ~10 Gbps · Terahertz: 100+ Tbps (theoretical))
- Range — mmWave 'wins on' (mmWave: ~200 m outdoor · Terahertz: ~10 m (current))
- Wall Penetration — mmWave 'wins on' (mmWave: Very limited · Terahertz: None)
- Commercial Status — mmWave 'wins on' (mmWave: Deployed in 5G · Terahertz: Lab demos only)
- Power Efficiency — mmWave 'wins on' (mmWave: Moderate · Terahertz: Very low (current))
- Beam Width — 'tie' (mmWave: Narrow · Terahertz: Extremely narrow)
- Weather Sensitivity — mmWave 'wins on' (mmWave: Moderate (rain) · Terahertz: High (rain, humidity))
- Generation — 'tie' (mmWave: 5G/6G · Terahertz: 7G)
FAQ
Which is faster, mmWave or Terahertz?
Terahertz leads on speed-related metrics in this comparison.
What is the main difference?
mmWave is proven technology deployed in 5G networks today. Terahertz offers vastly more bandwidth but faces enormous engineering challenges — range, power, penetration. THz is the path to 7G, but commercialization is 15+ years away.
Which should I choose today?
mmWave wins 5 of 10 tracked parameters.