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625 vs 630 18 of 19 identical Swap Change panels

Canadian Solar CS6.2-66TM-625 vs Canadian Solar CS6.2-66TM-630

Canadian Solar CS6.2-66TM-625
CS6.2-66TM-625
625 Wp 23.10 % TOPCon
Open panel page Datasheet PDF
VS
Canadian Solar CS6.2-66TM-630
CS6.2-66TM-630
630 Wp 23.30 % TOPCon
Open panel page Datasheet PDF
The verdict

630 leads on the differences that matter

The largest is module efficiency: 0.20 pp more efficient. 18 of 19 comparable parameters are identical.

See the one difference
How alike are they
18 of 19 comparable
parameters are identical
identical differs
01

What actually differs

1 of 19 parameters
Parameter 625 630 Difference
Module efficiency 23.10 % 23.30 % 0.20 pp more efficient
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 (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
625
20,970 kWh
630
21,138 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 625 630
Standard test conditions 25 °C 100.0% of rated power 625 W 630 W
Cool, bright day 40 °C 95.7% of rated power 598 W 603 W
Typical summer roof 55 °C 91.3% of rated power 571 W 575 W
Hot roof 70 °C 87.0% of rated power 543 W 548 W
03

Full specification

Parameter 625 630 Difference
Power and efficiency
Rated power 625 Wp 630 Wp Effectively the same
Module efficiency 23.10 % 23.30 % +0.20 pp for 630
Power density 231.4 Wp/m² 233.2 Wp/m² Effectively the same
Open-circuit voltage 48.60 V 48.80 V Effectively the same
Voltage at max power 41.40 V 41.60 V Effectively the same
Short-circuit current 16.14 A 16.20 A Effectively the same
Current at max power 15.11 A 15.16 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 2382x1134x30 mm 2382x1134x30 mm Same
Module area 2.701 m² 2.701 m² Same
Weight 28.1 kg 28.1 kg Same
Weight per kWp 45.0 kg/kWp 44.6 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 No No Same
04

Against the whole database

14,005 panels
Efficiency
#1,570 vs #1,017
630 leads by 553 places
Power density
#1,513 vs #1,003
630 leads by 510 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#572 vs #485
630 leads by 87 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#2,188 vs #1,895
630 leads by 293 places
05

More useful comparisons

Open the full database
Same series, other bin
Canadian Solar CS6.2-66TM-625 vs Canadian Solar CS6.2-66TM-635
3 differences, the largest is module efficiency
Same series, other bin
Canadian Solar CS6.2-66TM-625 vs Canadian Solar CS6.2-66TM-620
The same specification on paper
Same series, other bin
Canadian Solar CS6.2-66TM-625 vs Canadian Solar CS6.2-66TM-615
3 differences, the largest is module efficiency
Same series, other bin
Canadian Solar CS6.2-66TM-625 vs Canadian Solar CS6.2-66TM-610
3 differences, the largest is module efficiency
Same series, other bin
Canadian Solar CS6.2-66TM-625 vs Canadian Solar CS6W-600T
8 differences, the largest is rated power
Same series, other bin
Canadian Solar CS6.2-66TM-625 vs Canadian Solar CS6W-595T
8 differences, the largest is rated power
06

Written summary

07

Questions about this pairing

Which panel is better: Canadian Solar CS6.2-66TM-625 or Canadian Solar CS6.2-66TM-630?
According to our database: Canadian Solar CS6.2-66TM-630 has higher module efficiency (23.30% vs 23.10%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Canadian Solar CS6.2-66TM-625 and Canadian Solar CS6.2-66TM-630?
Canadian Solar CS6.2-66TM-625 has a module efficiency of 23.10%, while Canadian Solar CS6.2-66TM-630 is 23.30%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Canadian Solar CS6.2-66TM-625 use vs Canadian Solar CS6.2-66TM-630?
Canadian Solar CS6.2-66TM-625 uses TOPCon cells; Canadian Solar CS6.2-66TM-630 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 Canadian Solar CS6.2-66TM-625 and Canadian Solar CS6.2-66TM-630?
Canadian Solar CS6.2-66TM-625 has a 30 years power warranty; Canadian Solar CS6.2-66TM-630 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.

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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.