Antminer E9 Pro vs Bitmain KAS KS7
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer E9 Pro | Specification | Bitmain KAS KS7 |
|---|---|---|
| 3,680.0 MH/s | Hashrate | 40.0 TH/s |
| 2,200 W | Power Consumption | 3,080 W |
| 597,826.1 J/TH | Efficiency | 77.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 14.2 kg | Weight | 16.4 kg |
| 7,506 BTU/hr | BTU Output | 10,509 BTU/hr |
| 40/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| EtHash | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer E9 Pro
Bitmain KAS KS7
Based on BTC price of $77,884 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain KAS KS7 comes out ahead — it takes 3 of 5 (efficiency, hashrate, price-performance). Where it pulls away hardest is 1086857% more hashrate (0.0 vs 40.0 TH/s). The Antminer E9 Pro holds the edge in 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 Antminer E9 Pro and Bitmain KAS KS7 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain KAS KS7 1086857% more hashrate (0.0 vs 40.0 TH/s)
- Antminer E9 Pro 29% better power draw (2,200 vs 3,080 W)
- Bitmain KAS KS7 100% better efficiency (597,826.1 vs 77.0 J/TH)
- Antminer E9 Pro 13% better weight (14.2 vs 16.4 kg)
- Bitmain KAS KS7 40% more heat output (7,506 vs 10,509 BTU/hr)
- Antminer E9 Pro 11% more home mining score (40.0 vs 36.0)
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.
| Antminer E9 Pro | Metric | Bitmain KAS KS7 |
|---|---|---|
| $3,000 | Upfront cost (MSRP) | $1,590 |
| -$5.28 | Daily net profit | -$5.96 |
| -$4,927 | Net after 1 year | -$3,765 |
| -$6,854 | Net after 2 years | -$5,940 |
| -$8,781 | Net after 3 years | -$8,114 |
| 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
Antminer E9 ProScore: 40/100. 75 dB noise level.
Best for Efficiency
Bitmain KAS KS777.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer E9 Pro or Bitmain KAS KS7 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer E9 Pro is more profitable at $-5.28/day compared to $-5.96/day for the Bitmain KAS KS7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer E9 Pro vs Bitmain KAS KS7: which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Antminer E9 Pro or Bitmain KAS KS7?
The Antminer E9 Pro scores 40/100 on our Home Mining Score (vs 36/100 for the Bitmain KAS KS7). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between Antminer E9 Pro and Bitmain KAS KS7?
The Antminer E9 Pro runs at 597,826.1 J/TH while the Bitmain KAS KS7 runs at 77.0 J/TH — a difference of 597,749.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 100% better efficiency (597,826.1 vs 77.0 J/TH).