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Bitmain Antminer KS5 Pro (21Th)

Bitmain Antminer KS5 Pro (21Th)

Hashrate 21.0 TH/s Power 3,150 W Efficiency 150.0 J/TH
VS
Iceriver KAS KS5M

Iceriver KAS KS5M

Hashrate 15.0 TH/s Power 3,400 W Efficiency 226.7 J/TH

Bitmain Antminer KS5 Pro (21Th) vs Iceriver KAS KS5M

Side-by-side specs, profitability, and home mining comparison.

Specifications Comparison

Bitmain Antminer KS5 Pro (21Th) Specification Iceriver KAS KS5M
21.0 TH/s Hashrate 15.0 TH/s
3,150 W Power Consumption 3,400 W
150.0 J/TH Efficiency 226.7 J/TH
75 dB Noise Level 75 dB
15.8 kg Weight 15.0 kg
10,748 BTU/hr BTU Output 11,601 BTU/hr
36/100 Home Mining Score 36/100
Release Year
KHeavyHash Algorithm KHeavyHash
Bitmain Manufacturer IceRiver

Profitability Comparison

$/kWh

Bitmain Antminer KS5 Pro (21Th)

Daily Revenue 0.00000966 BTC $0.76
Daily Electricity -$7.56
Daily Profit -$6.80
Monthly -$204.15
Yearly -$2,483.78

Iceriver KAS KS5M

Daily Revenue 0.00000690 BTC $0.54
Daily Electricity -$8.16
Daily Profit -$7.62
Monthly -$228.62
Yearly -$2,781.53

Based on BTC price of $78,139 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 4 weighted factors (efficiency, hashrate, power consumption). The standout gap is 34% better efficiency (150 vs 227 J/TH) in the Bitmain Antminer KS5 Pro (21Th)'s favour. That said, the Iceriver KAS KS5M isn't beaten everywhere — it still wins price-performance. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.

Winner: Bitmain Antminer KS5 Pro (21Th) — wins on 3 of 4 factors

Spec Deltas

Stripped to the numbers, this is how far apart the Bitmain Antminer KS5 Pro (21Th) and Iceriver KAS KS5M sit on each measurable spec:

  • Bitmain Antminer KS5 Pro (21Th) 40% more hashrate (21.0 vs 15.0 TH/s)
  • Bitmain Antminer KS5 Pro (21Th) 7% better power draw (3,150 vs 3,400 W)
  • Bitmain Antminer KS5 Pro (21Th) 34% better efficiency (150 vs 227 J/TH)
  • Iceriver KAS KS5M 5% better weight (15.8 vs 15.0 kg)
  • Iceriver KAS KS5M 8% more heat output (10,748 vs 11,601 BTU/hr)

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 KAS KS5M
$860 Upfront cost (MSRP) $449
-$6.80 Daily net profit -$7.62
-$3,344 Net after 1 year -$3,231
-$5,828 Net after 2 years -$6,012
-$8,311 Net after 3 years -$8,794
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

Tie

Both miners produce similar daily profit.

Best for Home Mining

Tie

Both miners are equally suitable for home use.

Best for Efficiency

Bitmain Antminer KS5 Pro (21Th)

150.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Bitmain Antminer KS5 Pro (21Th) vs Iceriver KAS KS5M: which one earns more per day?

At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer KS5 Pro (21Th) is more profitable at $-6.80/day compared to $-7.62/day for the Iceriver KAS KS5M. 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 KAS KS5M better for noise-sensitive spaces?

Both miners have similar noise levels. Check the specs table above for exact decibel readings.

Which is better for home mining, the Bitmain Antminer KS5 Pro (21Th) or Iceriver KAS KS5M?

Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.

Bitmain Antminer KS5 Pro (21Th) vs Iceriver KAS KS5M: how much does the efficiency gap matter?

The Bitmain Antminer KS5 Pro (21Th) runs at 150.0 J/TH while the Iceriver KAS KS5M runs at 226.7 J/TH — a difference of 76.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 34% better efficiency (150 vs 227 J/TH).