Bitmain Antminer K7 (63.5Th) vs Todek Toddminer C1
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer K7 (63.5Th) | Specification | Todek Toddminer C1 |
|---|---|---|
| 63.5 TH/s | Hashrate | 1.6 TH/s |
| 3,080 W | Power Consumption | 1,380 W |
| 48.5 J/TH | Efficiency | 890.3 J/TH |
| — | Noise Level | — |
| — | Weight | 4,600.0 kg |
| 10,509 BTU/hr | BTU Output | 4,709 BTU/hr |
| 22/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | Eaglesong |
| Bitmain | Manufacturer | Todek |
Profitability Comparison
Bitmain Antminer K7 (63.5Th)
Todek Toddminer C1
Based on BTC price of $78,221 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain Antminer K7 (63.5Th) edges it: 2 of 4 factors go its way (efficiency, hashrate). Where it pulls away hardest is 3997% more hashrate (63.5 vs 1.6 TH/s). The Todek Toddminer C1 holds the edge in power consumption and home mining score. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Bitmain Antminer K7 (63.5Th) and Todek Toddminer C1 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer K7 (63.5Th) 3997% more hashrate (63.5 vs 1.6 TH/s)
- Todek Toddminer C1 55% better power draw (3,080 vs 1,380 W)
- Bitmain Antminer K7 (63.5Th) 95% better efficiency (48.5 vs 890.3 J/TH)
- Bitmain Antminer K7 (63.5Th) 123% more heat output (10,509 vs 4,709 BTU/hr)
- Todek Toddminer C1 41% more home mining score (22.0 vs 31.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Bitmain Antminer K7 (63.5Th) | Metric | Todek Toddminer C1 |
|---|---|---|
| $1,860 | Upfront cost (MSRP) | — |
| -$5.11 | Daily net profit | -$3.26 |
| -$3,724 | Net after 1 year | -$1,189 |
| -$5,588 | Net after 2 years | -$2,377 |
| -$7,451 | Net after 3 years | -$3,566 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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
Todek Toddminer C1Score: 31/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer K7 (63.5Th)48.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer K7 (63.5Th) or the Todek Toddminer C1?
At the current BTC price and a $0.10/kWh electricity rate, the Todek Toddminer C1 is more profitable at $-3.26/day compared to $-5.11/day for the Bitmain Antminer K7 (63.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer K7 (63.5Th) vs Todek Toddminer C1: 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 Bitmain Antminer K7 (63.5Th) or Todek Toddminer C1?
The Todek Toddminer C1 scores 31/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer K7 (63.5Th)). 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 Bitmain Antminer K7 (63.5Th) and Todek Toddminer C1?
The Bitmain Antminer K7 (63.5Th) runs at 48.5 J/TH while the Todek Toddminer C1 runs at 890.3 J/TH — a difference of 841.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 95% better efficiency (48.5 vs 890.3 J/TH).