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620 vs 635 16 of 19 identical Swap Change panels

Adani Solar AB-G12R-132-620 vs Adani Solar AB-G12R-132-635

Adani Solar
AB-G12R-132-620
620 Wp 22.97 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Adani Solar
AB-G12R-132-635
635 Wp 23.53 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

635 leads on the differences that matter

The largest is module efficiency: 0.56 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 620 635 Difference
Module efficiency 22.97 % 23.53 % 0.56 pp more efficient
Power density 229.7 Wp/m² 235.3 Wp/m² 5.6 Wp/m² higher
Rated power 620 Wp 635 Wp 15 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 (-0.280 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
620
20,802 kWh
635
21,306 kWh
Lifetime gap
504 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 620 635
Standard test conditions 25 °C 100.0% of rated power 620 W 635 W
Cool, bright day 40 °C 95.8% of rated power 594 W 608 W
Typical summer roof 55 °C 91.6% of rated power 568 W 582 W
Hot roof 70 °C 87.4% of rated power 542 W 555 W
03

Full specification

Parameter 620 635 Difference
Power and efficiency
Rated power 620 Wp 635 Wp +15 W for 635
Module efficiency 22.97 % 23.53 % +0.56 pp for 635
Power density 229.7 Wp/m² 235.3 Wp/m² +5.6 Wp/m² for 635
Open-circuit voltage 48.53 V 48.93 V Effectively the same
Voltage at max power 41.30 V 41.88 V Effectively the same
Short-circuit current 15.92 A 16.01 A Effectively the same
Current at max power 15.02 A 15.18 A Effectively the same
Temperature
Temperature coefficient -0.280 %/°C -0.280 %/°C Same
Mechanical
Dimensions 2382x1133x30 mm 2382x1133x30 mm Same
Module area 2.699 m² 2.699 m² Same
Weight 33.6 kg 33.6 kg Same
Weight per kWp 54.2 kg/kWp 52.9 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
#2,237 vs #674
635 leads by 1,563 places
Power density
#2,147 vs #671
635 leads by 1,476 places
Heat behaviour
#1,309 vs #1,309
Tied - the same position in the database
Weight
#8,420 vs #6,627
635 leads by 1,793 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#2,570 vs #1,738
635 leads by 832 places
05

More useful comparisons

Open the full database
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Adani Solar AB-G12R-132-620 vs Adani Solar AB-G12R-132-640
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Adani Solar AB-G12R-132-620 vs Adani Solar AB-G12R-132-605
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06

Written summary

07

Questions about this pairing

Which panel is better: Adani Solar AB-G12R-132-620 or Adani Solar AB-G12R-132-635?
According to our database: Adani Solar AB-G12R-132-635 has higher module efficiency (23.53% vs 22.97%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Adani Solar AB-G12R-132-620 and Adani Solar AB-G12R-132-635?
Adani Solar AB-G12R-132-620 has a module efficiency of 22.97%, while Adani Solar AB-G12R-132-635 is 23.53%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Adani Solar AB-G12R-132-620 use vs Adani Solar AB-G12R-132-635?
Adani Solar AB-G12R-132-620 uses TOPCon cells; Adani Solar AB-G12R-132-635 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 Adani Solar AB-G12R-132-620 and Adani Solar AB-G12R-132-635?
Adani Solar AB-G12R-132-620 has a 30 years power warranty; Adani Solar AB-G12R-132-635 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 Adani Solar AB-G12R-132-620 and Adani Solar AB-G12R-132-635 bifacial panels?
Both Adani Solar AB-G12R-132-620 and Adani Solar AB-G12R-132-635 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.

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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.