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720-8DBNM vs 710-8NM 10 of 18 identical Swap Change panels

Recom RCM-720-8DBNM vs Recom RCM-710-8NM

Recom RCM-720-8DBNM
Recom
RCM-720-8DBNM
720 Wp 23.20 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Recom RCM-710-8NM
Recom
RCM-710-8NM
710 Wp 22.86 % TOPCon
Open panel page Datasheet PDF
The verdict

8 differences, and they point both ways

The largest is weight: 3.9 kg lighter. 10 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 8 differences
How alike are they
10 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 18 parameters
Parameter 720-8DBNM 710-8NM Difference
Weight 37.8 kg 33.9 kg 3.9 kg lighter
Module efficiency 23.20 % 22.86 % 0.34 pp more efficient
Weight per kWp 52.5 kg/kWp 47.7 kg/kWp 4.8 kg/kWp lighter
Temperature coefficient -0.290 %/°C -0.300 %/°C 0.010 %/°C better in heat
Power density 231.8 Wp/m² 228.6 Wp/m² 3.2 Wp/m² higher
Rated power 720 Wp 710 Wp 10 W more power
Bifacial Yes No Yes vs No
Dimensions 2384x1303x33 mm 2384x1303x30 mm 2384x1303x33 mm vs 2384x1303x30 mm
02

What it means on a roof

Thirty years of production
Each panel's own declared degradation curve, at 1,200 kWh/kWp a year
720-8DBNM
24,157 kWh
710-8NM
23,822 kWh
Lifetime gap
335 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 720-8DBNM 710-8NM
Standard test conditions 25 °C 100.0% of rated power 720 W 710 W
Cool, bright day 40 °C 95.5% of rated power 689 W 678 W
Typical summer roof 55 °C 91.0% of rated power 657 W 646 W
Hot roof 70 °C 86.5% of rated power 626 W 614 W
03

Full specification

Parameter 720-8DBNM 710-8NM Difference
Power and efficiency
Rated power 720 Wp 710 Wp +10 W for 720-8DBNM
Module efficiency 23.20 % 22.86 % +0.34 pp for 720-8DBNM
Power density 231.8 Wp/m² 228.6 Wp/m² +3.2 Wp/m² for 720-8DBNM
Open-circuit voltage 49.23 V 48.70 V Effectively the same
Voltage at max power 41.10 V 40.90 V Effectively the same
Short-circuit current 18.54 A 18.35 A Effectively the same
Current at max power 17.52 A 17.37 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.300 %/°C +0.010 %/°C for 720-8DBNM
Mechanical
Dimensions 2384x1303x33 mm 2384x1303x30 mm 2384x1303x33 mm vs 2384x1303x30 mm
Module area 3.106 m² 3.106 m² Same
Weight 37.8 kg 33.9 kg -3.9 kg for 710-8NM
Weight per kWp 52.5 kg/kWp 47.7 kg/kWp -4.8 kg/kWp for 710-8NM
Warranty and degradation
Product warranty 30 yrs 30 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 - Not published by Recom
Bifacial Yes No Yes vs No
04

Against the whole database

14,005 panels
Efficiency
#1,306 vs #2,536
720-8DBNM leads by 1,230 places
Power density
#1,347 vs #2,474
720-8DBNM leads by 1,127 places
Heat behaviour
#2,165 vs #6,093
720-8DBNM leads by 3,928 places
Weight
#6,043 vs #1,881
710-8NM leads by 4,162 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#23 vs #54
720-8DBNM leads by 31 places
05

More useful comparisons

Open the full database
Same series, other bin
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Recom RCM-720-8DBNM vs Recom RCM-730-8DBNM
3 differences, the largest is module efficiency
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Recom RCM-720-8DBNM vs Recom RCM-725-8DBNM
The same specification on paper
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Recom RCM-720-8DBNM vs Recom RCM-715-8DBNM
One difference: module efficiency
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Recom RCM-720-8DBNM vs Recom RCM-715-8NM
5 differences, the largest is weight
Same series, other bin
Recom
Recom RCM-720-8DBNM vs Recom RCM-710-8DBNM
3 differences, the largest is module efficiency
Same series, other bin
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Recom RCM-720-8DBNM vs Recom RCM-705-8DBNM
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Recom RCM-720-8DBNM or Recom RCM-710-8NM?
According to our database: Recom RCM-720-8DBNM has higher module efficiency (23.20% vs 22.86%); Recom RCM-720-8DBNM tolerates heat better (temp coeff -0.290%/°C vs -0.300%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Recom RCM-720-8DBNM and Recom RCM-710-8NM?
Recom RCM-720-8DBNM has a module efficiency of 23.20%, while Recom RCM-710-8NM is 22.86%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Recom RCM-720-8DBNM use vs Recom RCM-710-8NM?
Recom RCM-720-8DBNM uses TOPCon cells; Recom RCM-710-8NM uses TOPCon. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.
What is the warranty on Recom RCM-720-8DBNM and Recom RCM-710-8NM?
Recom RCM-720-8DBNM has a 30 years power warranty; Recom RCM-710-8NM has a 30 years power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80-87%). Product (materials) warranties are usually shorter.
Are Recom RCM-720-8DBNM and Recom RCM-710-8NM bifacial panels?
Recom RCM-720-8DBNM is bifacial (captures light from both faces); Recom RCM-710-8NM is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.

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Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate. The thirty-year projection and the temperature scenarios are calculations from those figures, and each states its assumption above.