ASIC miner comparison

RR-210 (30KH/s) vs A4 Dominator (280MH/s)

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

RR-210 (30KH/s)
VS
A4 Dominator (280MH/s)
Higher hashrate
A4
Better efficiency
A4
Estimated net daily
RR
Hosted power rate
$0.060/kWh

Option 1

RR-210 (30KH/s)

Ask availability
RR-210 (30KH/s)
Price
N/A
ROI
N/A
Hashrate
30 KH/s
Net daily
-$0.50
Open product page

Option 2

A4 Dominator (280MH/s)

Ask availability
A4 Dominator (280MH/s)
Price
N/A
ROI
N/A
Hashrate
280 MH/s
Net daily
-$1.40
Open product page

RR-210 (30KH/s) leads this comparison

RR-210 (30KH/s) comes out ahead on more buyer-facing signals here. A4 Dominator (280MH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

RR
4
metric wins
A4
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.

FeatureRR-210 (30KH/s)A4 Dominator (280MH/s)Advantage
Brand
PinIdea
Innosilicon
Contextual
Model
RR
A4
Contextual
Hashrate
30 KH/s
280 MH/s
Best
A4 Dominator (280MH/s)
Power Consumption
350W
Best
1050W
RR-210 (30KH/s)
Efficiency
11.67 J/KH
3.75 J/MH
Best
A4 Dominator (280MH/s)
Daily energy use
8.4 kWh
Best
25.2 kWh
RR-210 (30KH/s)
Net Daily Profit (Est.)
-$0.50
Best
-$1.40
RR-210 (30KH/s)
Monthly Profit (Est.)
-$15.12
Best
-$42.06
RR-210 (30KH/s)
Price
N/A
N/A
Contextual
Estimated ROI
N/A
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
180 x 5000 x 380 mm
260 x 280 x 130 mm
Contextual
Weight
N/A
9200 g
Contextual

Performance

A4 Dominator (280MH/s) has the hashrate edge for raw output potential.

Efficiency

A4 Dominator (280MH/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: RR-210 (30KH/s) or A4 Dominator (280MH/s)?

A4 Dominator (280MH/s) has a higher hashrate of 280 MH/s compared to RR-210 (30KH/s)'s 30 KH/s.

Is RR-210 (30KH/s) more efficient than A4 Dominator (280MH/s)?

A4 Dominator (280MH/s) is more energy efficient at 3.75 J/MH.

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

Curious? Let’s connect to answer your questions.