Bitmain Antminer S9k (13.5Th)

Hashrate 13.5 TH/s Power 1,310 W Efficiency 97.0 J/TH

MicroBT WhatsMiner M76S+

Hashrate 416.0 TH/s Power 5,200 W Efficiency 12.5 J/TH

Bitmain Antminer S9k (13.5Th) vs MicroBT WhatsMiner M76S+

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

Specifications Comparison

Bitmain Antminer S9k (13.5Th)	Specification	MicroBT WhatsMiner M76S+
13.5 TH/s	Hashrate	416.0 TH/s
1,310 W	Power Consumption	5,200 W
97.0 J/TH	Efficiency	12.5 J/TH
—	Noise Level	75 dB
4,200.0 kg	Weight	18.0 kg
4,470 BTU/hr	BTU Output	17,742 BTU/hr
31/100	Home Mining Score	30/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
Bitmain	Manufacturer	MicroBT

Profitability Comparison

Electricity Rate:

$/kWh

Bitmain Antminer S9k (13.5Th)

Daily Revenue 0.00000621 BTC $0.49

Daily Electricity -$3.14

Daily Profit -$2.65

Monthly -$79.58

Yearly -$968.20

MicroBT WhatsMiner M76S+

Daily Revenue 0.00019144 BTC $15.14

Daily Electricity -$12.48

Daily Profit $2.66

Monthly $79.86

Yearly $971.64

Based on BTC price of $79,097 and current network difficulty as of May 15, 2026. Actual results vary.

Verdict

Weighing six performance factors, the MicroBT WhatsMiner M76S+ comes out ahead — it takes 3 of 5 (efficiency, hashrate, noise level). Its biggest concrete edge: 2981% more hashrate (13.5 vs 416.0 TH/s). That said, the Bitmain Antminer S9k (13.5Th) 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.

Winner: MicroBT WhatsMiner M76S+ — wins on 3 of 5 factors

Spec Deltas

Here is every spec where the Bitmain Antminer S9k (13.5Th) and MicroBT WhatsMiner M76S+ actually differ, with the gap quantified:

MicroBT WhatsMiner M76S+ 2981% more hashrate (13.5 vs 416.0 TH/s)
Bitmain Antminer S9k (13.5Th) 75% better power draw (1,310 vs 5,200 W)
MicroBT WhatsMiner M76S+ 87% better efficiency (97.0 vs 12.5 J/TH)
MicroBT WhatsMiner M76S+ 100% better weight (4,200.0 vs 18.0 kg)
MicroBT WhatsMiner M76S+ 297% more heat output (4,470 vs 17,742 BTU/hr)
Bitmain Antminer S9k (13.5Th) 3% more home mining score (31.0 vs 30.0)

Cost & ROI Over Time

Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.

Bitmain Antminer S9k (13.5Th)	Metric	MicroBT WhatsMiner M76S+
$600	Upfront cost (MSRP)	—
-$2.65	Daily net profit	$2.66
-$1,568	Net after 1 year	+$972
-$2,536	Net after 2 years	+$1,943
-$3,505	Net after 3 years	+$2,915
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

MicroBT WhatsMiner M76S+

$5.31/day higher profit at current rates.

Best for Home Mining

Bitmain Antminer S9k (13.5Th)

Score: 31/100. 0 dB noise level.

Best for Efficiency

MicroBT WhatsMiner M76S+

12.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer S9k (13.5Th) or MicroBT WhatsMiner M76S+ more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M76S+ is more profitable at $2.66/day compared to $-2.65/day for the Bitmain Antminer S9k (13.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitmain Antminer S9k (13.5Th) or MicroBT WhatsMiner M76S+?

The MicroBT WhatsMiner M76S+ is quieter at 75 dB compared to the Bitmain Antminer S9k (13.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Bitmain Antminer S9k (13.5Th) or MicroBT WhatsMiner M76S+?

The Bitmain Antminer S9k (13.5Th) scores 31/100 on our Home Mining Score (vs 30/100 for the MicroBT WhatsMiner M76S+). 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 S9k (13.5Th) and MicroBT WhatsMiner M76S+?

The Bitmain Antminer S9k (13.5Th) runs at 97.0 J/TH while the MicroBT WhatsMiner M76S+ runs at 12.5 J/TH — a difference of 84.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 87% better efficiency (97.0 vs 12.5 J/TH).

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