Bitmain Antminer KS5 Pro (21Th) vs Iceriver KAS KS2 LITE
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KS5 Pro (21Th) | Specification | Iceriver KAS KS2 LITE |
|---|---|---|
| 21.0 TH/s | Taux de hachage | 2.0 TH/s |
| 3,150 W | Consommation électrique | 500 W |
| 150.0 J/TH | Efficiency | 250.0 J/TH |
| 75 dB | Niveau de bruit | 45 dB |
| 15.8 kg | Weight | 5.0 kg |
| 10,748 BTU/hr | BTU Output | 1,706 BTU/hr |
| 36/100 | Home Mining Score | 62/100 |
| — | Release Year | — |
| KHeavyHash | Algorithme | KHeavyHash |
| Bitmain | Manufacturer | IceRiver |
Profitability Comparison
Bitmain Antminer KS5 Pro (21Th)
Iceriver KAS KS2 LITE
Based on BTC price of $78,210 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer KS5 Pro (21Th), which leads on 3 of 6 weighted factors (efficacité, hashrate, rapport qualité-prix). Its biggest concrete edge: 950% more hashrate (21.0 vs 2.0 TH/s). The Iceriver KAS KS2 LITE claws back ground on consommation électrique and score de minage domestique and niveau sonore. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer KS5 Pro (21Th) and Iceriver KAS KS2 LITE sit on each measurable spec:
- Bitmain Antminer KS5 Pro (21Th) 950% more hashrate (21.0 vs 2.0 TH/s)
- Iceriver KAS KS2 LITE 84% better power draw (3,150 vs 500 W)
- Bitmain Antminer KS5 Pro (21Th) 40% better efficacité (150 vs 250 J/TH)
- Iceriver KAS KS2 LITE 40% better noise (75.0 vs 45.0 dB)
- Iceriver KAS KS2 LITE 68% better weight (15.8 vs 5.0 kg)
- Bitmain Antminer KS5 Pro (21Th) 530% more heat output (10,748 vs 1,706 BTU/hr)
- Iceriver KAS KS2 LITE 72% more score de minage domestique (36.0 vs 62.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Bitmain Antminer KS5 Pro (21Th) | Metric | Iceriver KAS KS2 LITE |
|---|---|---|
| $860 | Upfront cost (MSRP) | $458 |
| -$6.80 | Daily net profit | -$1.13 |
| -$3,344 | Net after 1 year | -$870 |
| -$5,827 | Net after 2 years | -$1,281 |
| -$8,311 | Net after 3 years | -$1,693 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Iceriver KAS KS2 LITEScore: 62/100. 45 dB noise level.
Best for Efficiency
Bitmain Antminer KS5 Pro (21Th)150.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer KS5 Pro (21Th) or Iceriver KAS KS2 LITE more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Iceriver KAS KS2 LITE is more profitable at $-1.13/day compared to $-6.80/day for the Bitmain Antminer KS5 Pro (21Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer KS5 Pro (21Th) or Iceriver KAS KS2 LITE?
The Iceriver KAS KS2 LITE is quieter at 45 dB compared to the Bitmain Antminer KS5 Pro (21Th) at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer KS5 Pro (21Th) or Iceriver KAS KS2 LITE?
The Iceriver KAS KS2 LITE scores 62/100 on our Home Mining Score (vs 36/100 for the Bitmain Antminer KS5 Pro (21Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer KS5 Pro (21Th) vs Iceriver KAS KS2 LITE: how much does the efficiency gap matter?
The Bitmain Antminer KS5 Pro (21Th) runs at 150.0 J/TH while the Iceriver KAS KS2 LITE runs at 250.0 J/TH — a difference of 100.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 40% better efficacité (150 vs 250 J/TH).
