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630 vs 620 16 of 19 identical Swap Change panels

Avaada AVN66G12RG-630 vs Avaada AVN66G12RG-620

Avaada
AVN66G12RG-630
630 Wp 23.30 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Avaada
AVN66G12RG-620
620 Wp 23.00 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

630 leads on the differences that matter

The largest is module efficiency: 0.30 pp more efficient. 16 of 19 comparable parameters are identical.

See all 3 differences
How alike are they
16 of 19 comparable
parameters are identical
identical differs
01

What actually differs

3 of 19 parameters
Parameter 630 620 Difference
Module efficiency 23.30 % 23.00 % 0.30 pp more efficient
Power density 233.2 Wp/m² 229.5 Wp/m² 3.7 Wp/m² higher
Rated power 630 Wp 620 Wp 10 W more power
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
Same temp coeff. for both panels (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
630
21,138 kWh
620
20,802 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 630 620
Standard test conditions 25 °C 100.0% of rated power 630 W 620 W
Cool, bright day 40 °C 95.5% of rated power 602 W 592 W
Typical summer roof 55 °C 91.0% of rated power 573 W 564 W
Hot roof 70 °C 86.5% of rated power 545 W 536 W
03

Full specification

Parameter 630 620 Difference
Power and efficiency
Rated power 630 Wp 620 Wp +10 W for 630
Module efficiency 23.30 % 23.00 % +0.30 pp for 630
Power density 233.2 Wp/m² 229.5 Wp/m² +3.7 Wp/m² for 630
Open-circuit voltage 48.60 V 48.20 V Effectively the same
Voltage at max power 41.65 V 41.25 V Effectively the same
Short-circuit current 16.05 A 15.95 A Effectively the same
Current at max power 15.12 A 15.04 A Effectively the same
Temperature
Temperature coefficient -0.300 %/°C -0.300 %/°C Same
Mechanical
Dimensions 2382x1134x35 mm 2382x1134x35 mm Same
Module area 2.701 m² 2.701 m² Same
Weight 34.0 kg 34.0 kg Same
Weight per kWp 54.0 kg/kWp 54.8 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 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 132 132 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#1,017 vs #1,919
630 leads by 902 places
Power density
#1,003 vs #2,191
630 leads by 1,188 places
Heat behaviour
#6,093 vs #6,093
Tied - the same position in the database
Weight
#8,163 vs #9,232
630 leads by 1,069 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#1,991 vs #2,549
630 leads by 558 places
05

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06

Written summary

07

Questions about this pairing

Which panel is better: Avaada AVN66G12RG-630 or Avaada AVN66G12RG-620?
According to our database: Avaada AVN66G12RG-630 has higher module efficiency (23.30% vs 23.00%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Avaada AVN66G12RG-630 and Avaada AVN66G12RG-620?
Avaada AVN66G12RG-630 has a module efficiency of 23.30%, while Avaada AVN66G12RG-620 is 23.00%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Avaada AVN66G12RG-630 use vs Avaada AVN66G12RG-620?
Avaada AVN66G12RG-630 uses TOPCon cells; Avaada AVN66G12RG-620 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 Avaada AVN66G12RG-630 and Avaada AVN66G12RG-620?
Avaada AVN66G12RG-630 has a 30 years power warranty; Avaada AVN66G12RG-620 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 Avaada AVN66G12RG-630 and Avaada AVN66G12RG-620 bifacial panels?
Both Avaada AVN66G12RG-630 and Avaada AVN66G12RG-620 are bifacial - they capture reflected light from the ground, which can add 5-15% more annual energy on ground-mount or elevated rooftop installations with a light surface beneath.

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.