Antminer K7 vs Todek Toddminer C1
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | 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 |
| 75 dB | Noise Level | — |
| 14.0 kg | Weight | 4,600.0 kg |
| 10,509 BTU/hr | BTU Output | 4,709 BTU/hr |
| 36/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | Eaglesong |
| Bitmain | Manufacturer | Todek |
Profitability Comparison
Antminer K7
Todek Toddminer C1
Based on BTC price of $78,221 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Antminer K7 comes out ahead — it takes 4 of 5 (efficiency, hashrate, home mining score, noise level). Its biggest concrete edge: 3997% more hashrate (63.5 vs 1.6 TH/s). That said, the Todek Toddminer C1 isn't beaten everywhere — it still wins power consumption. 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 Antminer K7 and Todek Toddminer C1 sit on each measurable spec:
- Antminer K7 3997% more hashrate (63.5 vs 1.6 TH/s)
- Todek Toddminer C1 55% better power draw (3,080 vs 1,380 W)
- Antminer K7 95% better efficiency (48.5 vs 890.3 J/TH)
- Antminer K7 100% better weight (14.0 vs 4,600.0 kg)
- Antminer K7 123% more heat output (10,509 vs 4,709 BTU/hr)
- Antminer K7 16% more home mining score (36.0 vs 31.0)
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 K7 | Metric | Todek Toddminer C1 |
|---|---|---|
| $3,500 | Upfront cost (MSRP) | — |
| -$5.11 | Daily net profit | -$3.26 |
| -$5,364 | Net after 1 year | -$1,189 |
| -$7,228 | Net after 2 years | -$2,377 |
| -$9,091 | 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
Antminer K7Score: 36/100. 75 dB noise level.
Best for Efficiency
Antminer K748.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer K7 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 Antminer K7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer K7 or the Todek Toddminer C1 better for noise-sensitive spaces?
The Antminer K7 is quieter at 75 dB compared to the Todek Toddminer C1 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer K7 or the Todek Toddminer C1?
The Antminer K7 scores 36/100 on our Home Mining Score (vs 31/100 for the Todek Toddminer C1). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer K7 vs Todek Toddminer C1: how much does the efficiency gap matter?
The Antminer K7 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).