ASIC miner comparison

Antminer S21 Hydro (335TH/s) vs KAS KS7 (30TH/s)

Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.

Antminer S21 Hydro (335TH/s)
VS
KAS KS7 (30TH/s)
Higher hashrate
S21
Better efficiency
S21
Estimated net daily
S21
Hosted power rate
$0.060/kWh

Option 1

Antminer S21 Hydro (335TH/s)

Ask availability
Antminer S21 Hydro (335TH/s)
Price
N/A
ROI
N/A
Hashrate
335 TH/s
Net daily
$1.94
Open product page

Option 2

KAS KS7 (30TH/s)

50 available
KAS KS7 (30TH/s)
Price
$1,200.06
ROI
219 mo
Hashrate
30 TH/s
Net daily
$0.18
Open product page

Antminer S21 Hydro (335TH/s) leads this comparison

Antminer S21 Hydro (335TH/s) comes out ahead on more buyer-facing signals here. KAS KS7 (30TH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

S21
5
metric wins
KAS KS7
2
metric wins

Profit estimates use currently available product data and a hosted electricity rate of $0.060/kWh.

Technical comparison

Side-by-side mining, operating, and commercial specs.

FeatureAntminer S21 Hydro (335TH/s)KAS KS7 (30TH/s)Advantage
Brand
Antminer
IceRiver
Contextual
Model
S21
KAS KS7
Contextual
Hashrate
335 TH/s
Best
30 TH/s
Antminer S21 Hydro (335TH/s)
Power Consumption
5360W
3500W
Best
KAS KS7 (30TH/s)
Efficiency
16.00 J/TH
Best
116.67 J/TH
Antminer S21 Hydro (335TH/s)
Daily energy use
128.6 kWh
84.0 kWh
Best
KAS KS7 (30TH/s)
Net Daily Profit (Est.)
$1.94
Best
$0.18
Antminer S21 Hydro (335TH/s)
Monthly Profit (Est.)
$58.25
Best
$5.40
Antminer S21 Hydro (335TH/s)
Price
N/A
$1,200.06
Contextual
Estimated ROI
N/A
219 mo
Contextual
Cooling
HYDRO
AIR
Contextual
Dimensions
410 x 209 x 170 mm
430 x 290 x 195 mm
Contextual
Weight
17000 g
Best
17500 g
Antminer S21 Hydro (335TH/s)

Performance

Antminer S21 Hydro (335TH/s) has the hashrate edge for raw output potential.

Efficiency

Antminer S21 Hydro (335TH/s) is stronger when comparing joules per hash unit.

Buying decision

Check live stock, delivery schedule, and hosting capacity on the product page before placing an order.

Frequently asked questions

Which is more powerful: Antminer S21 Hydro (335TH/s) or KAS KS7 (30TH/s)?

Antminer S21 Hydro (335TH/s) has a higher hashrate of 335 TH/s compared to KAS KS7 (30TH/s)'s 30 TH/s.

Is Antminer S21 Hydro (335TH/s) more efficient than KAS KS7 (30TH/s)?

Yes, Antminer S21 Hydro (335TH/s) is more energy efficient at 16.00 J/TH.

Which miner has the better estimated ROI?

Estimated ROI is not available because one of the miners is missing current pricing or profit data.

Every Day You Wait is Revenue You Lose

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