Bitmain Antminer KS5 Pro (21Th) vs Iceriver KS2
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KS5 Pro (21Th) | Specification | Iceriver KS2 |
|---|---|---|
| 21.0 TH/s | Hashrate | 2.0 TH/s |
| 3,150 W | Power Consumption | 1,200 W |
| 150.0 J/TH | Efficiency | 600.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 15.8 kg | Weight | 14.9 kg |
| 10,748 BTU/hr | BTU Output | 4,094 BTU/hr |
| 36/100 | Home Mining Score | 45/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | IceRiver |
Profitability Comparison
Bitmain Antminer KS5 Pro (21Th)
Iceriver KS2
Based on BTC price of $78,234 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer KS5 Pro (21Th) comes out ahead — it takes 3 of 5 (efficiency, hashrate, price-performance). Where it pulls away hardest is 950% more hashrate (21.0 vs 2.0 TH/s). That said, the Iceriver KS2 isn't beaten everywhere — it still wins power consumption and home mining score. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
The Bitmain Antminer KS5 Pro (21Th) and Iceriver KS2 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer KS5 Pro (21Th) 950% more hashrate (21.0 vs 2.0 TH/s)
- Iceriver KS2 62% better power draw (3,150 vs 1,200 W)
- Bitmain Antminer KS5 Pro (21Th) 75% better efficiency (150 vs 600 J/TH)
- Iceriver KS2 6% better weight (15.8 vs 14.9 kg)
- Bitmain Antminer KS5 Pro (21Th) 163% more heat output (10,748 vs 4,094 BTU/hr)
- Iceriver KS2 25% more home mining score (36.0 vs 45.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitmain Antminer KS5 Pro (21Th) | Metric | Iceriver KS2 |
|---|---|---|
| $860 | Upfront cost (MSRP) | $399 |
| -$6.80 | Daily net profit | -$2.81 |
| -$3,343 | Net after 1 year | -$1,424 |
| -$5,827 | Net after 2 years | -$2,449 |
| -$8,310 | Net after 3 years | -$3,474 |
| 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 KS2Score: 45/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer KS5 Pro (21Th)150.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer KS5 Pro (21Th) or the Iceriver KS2?
At the current BTC price and a $0.10/kWh electricity rate, the Iceriver KS2 is more profitable at $-2.81/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.
Is the Bitmain Antminer KS5 Pro (21Th) or the Iceriver KS2 better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Bitmain Antminer KS5 Pro (21Th) vs Iceriver KS2: which fits a residential setup better?
The Iceriver KS2 scores 45/100 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.
How far apart are the Bitmain Antminer KS5 Pro (21Th) and Iceriver KS2 on J/TH?
The Bitmain Antminer KS5 Pro (21Th) runs at 150.0 J/TH while the Iceriver KS2 runs at 600.0 J/TH — a difference of 450.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 75% better efficiency (150 vs 600 J/TH).