Antminer S19j Pro

Hashrate 100.0 TH/s Power 3,050 W Efficiency 30.5 J/TH

Bitdeer SealMiner A2 Hyd

Hashrate 446.0 TH/s Power 7,360 W Efficiency 16.5 J/TH

Antminer S19j Pro vs Bitdeer SealMiner A2 Hyd

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

Specifications Comparison

Antminer S19j Pro	Specification	Bitdeer SealMiner A2 Hyd
100.0 TH/s	Hashrate	446.0 TH/s
3,050 W	Power Consumption	7,360 W
30.5 J/TH	Efficiency	16.5 J/TH
75 dB	Noise Level	50 dB
13.2 kg	Weight	20.5 kg
10,407 BTU/hr	BTU Output	25,112 BTU/hr
84/100	Home Mining Score	44/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
Bitmain	Manufacturer	Bitdeer

Profitability Comparison

Electricity Rate:

$/kWh

Antminer S19j Pro

Daily Revenue 0.00004602 BTC $3.64

Daily Electricity -$7.32

Daily Profit -$3.68

Monthly -$110.47

Yearly -$1,344.01

Bitdeer SealMiner A2 Hyd

Daily Revenue 0.00020524 BTC $16.22

Daily Electricity -$17.66

Daily Profit -$1.44

Monthly -$43.18

Yearly -$525.40

Based on BTC price of $79,051 and current network difficulty as of May 15, 2026. Actual results vary.

Verdict

Run the numbers across every spec and the Bitdeer SealMiner A2 Hyd edges it: 4 of 6 factors go its way (efficiency, hashrate, noise level, price-performance). The standout gap is 346% more hashrate (100 vs 446 TH/s) in the Bitdeer SealMiner A2 Hyd's favour. That said, the Antminer S19j Pro isn't beaten everywhere — it still wins power consumption and home mining score. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Bitdeer SealMiner A2 Hyd — wins on 4 of 6 factors

Spec Deltas

The Antminer S19j Pro and Bitdeer SealMiner A2 Hyd diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":

Bitdeer SealMiner A2 Hyd 346% more hashrate (100 vs 446 TH/s)
Antminer S19j Pro 59% better power draw (3,050 vs 7,360 W)
Bitdeer SealMiner A2 Hyd 46% better efficiency (30.5 vs 16.5 J/TH)
Bitdeer SealMiner A2 Hyd 33% better noise (75.0 vs 50.0 dB)
Antminer S19j Pro 36% better weight (13.2 vs 20.5 kg)
Bitdeer SealMiner A2 Hyd 141% more heat output (10,407 vs 25,112 BTU/hr)
Antminer S19j Pro 91% more home mining score (84.0 vs 44.0)

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 S19j Pro	Metric	Bitdeer SealMiner A2 Hyd
$2,500	Upfront cost (MSRP)	$6,150
-$3.68	Daily net profit	-$1.44
-$3,844	Net after 1 year	-$6,675
-$5,188	Net after 2 years	-$7,201
-$6,532	Net after 3 years	-$7,726
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

Antminer S19j Pro

Score: 84/100. 75 dB noise level.

Best for Efficiency

Bitdeer SealMiner A2 Hyd

16.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Which makes more money, the Antminer S19j Pro or the Bitdeer SealMiner A2 Hyd?

At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A2 Hyd is more profitable at $-1.44/day compared to $-3.68/day for the Antminer S19j Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Is the Antminer S19j Pro or the Bitdeer SealMiner A2 Hyd better for noise-sensitive spaces?

The Bitdeer SealMiner A2 Hyd is quieter at 50 dB compared to the Antminer S19j Pro at 75 dB. For home mining, lower noise levels make a significant difference in livability.

Antminer S19j Pro vs Bitdeer SealMiner A2 Hyd: which fits a residential setup better?

The Antminer S19j Pro scores 84/100 on our Home Mining Score (vs 44/100 for the Bitdeer SealMiner A2 Hyd). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.

How far apart are the Antminer S19j Pro and Bitdeer SealMiner A2 Hyd on J/TH?

The Antminer S19j Pro runs at 30.5 J/TH while the Bitdeer SealMiner A2 Hyd runs at 16.5 J/TH — a difference of 14.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 46% better efficiency (30.5 vs 16.5 J/TH).

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