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CS6R-450T vs CS6.2-66TM-625 9 of 19 identical Swap Change panels

Canadian Solar CS6R-450T vs Canadian Solar CS6.2-66TM-625

Canadian Solar CS6R-450T
CS6R-450T
450 Wp 23.00 % TOPCon
Open panel page Datasheet PDF
VS
Canadian Solar CS6.2-66TM-625
CS6.2-66TM-625
625 Wp 23.10 % TOPCon
Open panel page Datasheet PDF
The verdict

CS6.2-66TM-625 leads on the differences that matter

The largest is rated power: 175 W more power. 9 of 19 comparable parameters are identical.

See all 10 differences
How alike are they
9 of 19 comparable
parameters are identical
identical differs
01

What actually differs

10 of 19 parameters
Parameter CS6R-450T CS6.2-66TM-625 Difference
Rated power 450 Wp 625 Wp 175 W more power
Weight 21.3 kg 28.1 kg 6.8 kg lighter
Open-circuit voltage 39.80 V 48.60 V 8.80 V apart
Module area 1.953 m² 2.701 m² 0.748 m² apart
Short-circuit current 14.16 A 16.14 A 1.98 A apart
Voltage at max power 32.80 V 41.40 V 8.60 V apart
Cell count 108 132 24 cells apart
Weight per kWp 47.3 kg/kWp 45.0 kg/kWp 2.4 kg/kWp lighter
Current at max power 13.72 A 15.11 A 1.39 A apart
Dimensions 1722x1134x30 mm 2382x1134x30 mm 1722x1134x30 mm vs 2382x1134x30 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
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.
CS6R-450T
15,098 kWh
CS6.2-66TM-625
20,970 kWh
Lifetime gap
5,872 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario CS6R-450T CS6.2-66TM-625
Standard test conditions 25 °C 100.0% of rated power 450 W 625 W
Cool, bright day 40 °C 95.7% of rated power 430 W 598 W
Typical summer roof 55 °C 91.3% of rated power 411 W 571 W
Hot roof 70 °C 87.0% of rated power 391 W 543 W
03

Full specification

Parameter CS6R-450T CS6.2-66TM-625 Difference
Power and efficiency
Rated power 450 Wp 625 Wp +175 W for CS6.2-66TM-625
Module efficiency 23.00 % 23.10 % Effectively the same
Power density 230.4 Wp/m² 231.4 Wp/m² Effectively the same
Open-circuit voltage 39.80 V 48.60 V 8.80 V apart
Voltage at max power 32.80 V 41.40 V 8.60 V apart
Short-circuit current 14.16 A 16.14 A 1.98 A apart
Current at max power 13.72 A 15.11 A 1.39 A apart
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1722x1134x30 mm 2382x1134x30 mm 1722x1134x30 mm vs 2382x1134x30 mm
Module area 1.953 m² 2.701 m² 0.748 m² apart
Weight 21.3 kg 28.1 kg -6.8 kg for CS6R-450T
Weight per kWp 47.3 kg/kWp 45.0 kg/kWp -2.4 kg/kWp for CS6.2-66TM-625
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 108 132 24 cells apart
Bifacial No No Same
04

Against the whole database

14,129 panels
Efficiency
#1,970 vs #1,617
CS6.2-66TM-625 leads by 353 places
Power density
#1,758 vs #1,558
CS6.2-66TM-625 leads by 200 places
Heat behaviour
#2,220 vs #2,220
Tied - the same position in the database
Weight
#1,641 vs #572
CS6.2-66TM-625 leads by 1,069 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#8,470 vs #2,215
CS6.2-66TM-625 leads by 6,255 places
05

More useful comparisons

Open the full database
Same series, other bin
Canadian Solar CS6R-450T vs Canadian Solar CS6.2-66TM-635
12 differences, the largest is rated power
Same series, other bin
Canadian Solar CS6R-450T vs Canadian Solar CS6.2-66TM-630
11 differences, the largest is rated power
Same series, other bin
Canadian Solar CS6R-450T vs Canadian Solar CS6.2-66TM-620
10 differences, the largest is rated power
Same series, other bin
Canadian Solar CS6R-450T vs Canadian Solar CS6.2-66TM-615
10 differences, the largest is rated power
Same series, other bin
Canadian Solar CS6R-450T vs Canadian Solar CS6.2-66TM-610
11 differences, the largest is rated power
Same series, other bin
Canadian Solar CS6R-450T vs Canadian Solar CS6W-600T
8 differences, the largest is rated power
06

Written summary

07

Questions about this pairing

Which panel is better: Canadian Solar CS6R-450T or Canadian Solar CS6.2-66TM-625?
According to our database: Canadian Solar CS6.2-66TM-625 has higher module efficiency (23.10% vs 23.00%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Canadian Solar CS6R-450T and Canadian Solar CS6.2-66TM-625?
Canadian Solar CS6R-450T has a module efficiency of 23.00%, while Canadian Solar CS6.2-66TM-625 is 23.10%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Canadian Solar CS6R-450T use vs Canadian Solar CS6.2-66TM-625?
Canadian Solar CS6R-450T uses TOPCon cells; Canadian Solar CS6.2-66TM-625 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 CS6R-450T and Canadian Solar CS6.2-66TM-625?
Canadian Solar CS6R-450T has a 30 years power warranty; Canadian Solar CS6.2-66TM-625 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.

Shop prices: See 30 Canadian Solar offers

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.