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AAA.05-665 vs 680.05 16 of 19 identical Swap Change panels

Vikram Solar PARADEA VSMDH.66.AAA.05-665 vs Vikram Solar PARADEA VSMDH.66.680.05

Vikram Solar PARADEA VSMDH.66.AAA.05-665
Vikram Solar
PARADEA VSMDH.66.AAA.05-665
665 Wp 21.41 % PERC Bifacial
Open panel page Datasheet PDF
VS
Vikram Solar PARADEA VSMDH.66.680.05
Vikram Solar
PARADEA VSMDH.66.680.05
680 Wp 21.89 % PERC Bifacial
Open panel page Datasheet PDF
The verdict

680.05 leads on the differences that matter

The largest is module efficiency: 0.48 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 AAA.05-665 680.05 Difference
Module efficiency 21.41 % 21.89 % 0.48 pp more efficient
Power density 214.1 Wp/m² 218.9 Wp/m² 4.8 Wp/m² higher
Rated power 665 Wp 680 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 (-0.350 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
AAA.05-665
21,726 kWh
680.05
22,216 kWh
Lifetime gap
490 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario AAA.05-665 680.05
Standard test conditions 25 °C 100.0% of rated power 665 W 680 W
Cool, bright day 40 °C 94.8% of rated power 630 W 644 W
Typical summer roof 55 °C 89.5% of rated power 595 W 609 W
Hot roof 70 °C 84.2% of rated power 560 W 573 W
03

Full specification

Parameter AAA.05-665 680.05 Difference
Power and efficiency
Rated power 665 Wp 680 Wp +15 W for 680.05
Module efficiency 21.41 % 21.89 % +0.48 pp for 680.05
Power density 214.1 Wp/m² 218.9 Wp/m² +4.8 Wp/m² for 680.05
Open-circuit voltage 46.30 V 46.90 V Effectively the same
Voltage at max power 38.70 V 39.30 V Effectively the same
Short-circuit current 18.05 A 18.23 A Effectively the same
Current at max power 17.20 A 17.31 A Effectively the same
Temperature
Temperature coefficient -0.350 %/°C -0.350 %/°C Same
Mechanical
Dimensions 2384x1303x35 mm 2384x1303x35 mm Same
Module area 3.106 m² 3.106 m² Same
Weight 39.5 kg 39.5 kg Same
Weight per kWp 59.4 kg/kWp 58.1 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.50 %/yr 0.50 %/yr Same
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 132 Same
Bifacial Yes Yes Same
04

Against the whole database

14,129 panels
Efficiency
#8,345 vs #6,946
680.05 leads by 1,399 places
Power density
#8,315 vs #6,868
680.05 leads by 1,447 places
Heat behaviour
#10,489 vs #10,489
Tied - the same position in the database
Weight
#12,218 vs #11,647
680.05 leads by 571 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#2,860 vs #1,971
680.05 leads by 889 places
05

More useful comparisons

Open the full database
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Vikram Solar PARADEA VSMDH.66.AAA.05-665 vs Vikram Solar PARADEA VSMDH.66.AAA.05-680
3 differences, the largest is module efficiency
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Vikram Solar PARADEA VSMDH.66.AAA.05-665 vs Vikram Solar PARADEA VSMDH.66.AAA.05
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Vikram Solar PARADEA VSMDH.66.AAA.05-665 vs Vikram Solar PARADEA VSMDH.66.AAA.05-675
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Vikram Solar PARADEA VSMDH.66.AAA.05-665 vs Vikram Solar PARADEA VSMDH.66.AAA.05-670
The same specification on paper
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Vikram Solar
Vikram Solar PARADEA VSMDH.66.AAA.05-665 vs Vikram Solar PARADEA VSMDH.66.AAA.05-660
The same specification on paper
Same series, other bin
Vikram Solar
Vikram Solar PARADEA VSMDH.66.AAA.05-665 vs Vikram Solar PARADEA VSMDH.66.AAA.05-655
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Vikram Solar PARADEA VSMDH.66.AAA.05-665 or Vikram Solar PARADEA VSMDH.66.680.05?
According to our database: Vikram Solar PARADEA VSMDH.66.680.05 has higher module efficiency (21.89% vs 21.41%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Vikram Solar PARADEA VSMDH.66.AAA.05-665 and Vikram Solar PARADEA VSMDH.66.680.05?
Vikram Solar PARADEA VSMDH.66.AAA.05-665 has a module efficiency of 21.41%, while Vikram Solar PARADEA VSMDH.66.680.05 is 21.89%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Vikram Solar PARADEA VSMDH.66.AAA.05-665 use vs Vikram Solar PARADEA VSMDH.66.680.05?
Vikram Solar PARADEA VSMDH.66.AAA.05-665 uses PERC cells; Vikram Solar PARADEA VSMDH.66.680.05 uses PERC. 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 Vikram Solar PARADEA VSMDH.66.AAA.05-665 and Vikram Solar PARADEA VSMDH.66.680.05?
Vikram Solar PARADEA VSMDH.66.AAA.05-665 has a 30 years power warranty; Vikram Solar PARADEA VSMDH.66.680.05 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 Vikram Solar PARADEA VSMDH.66.AAA.05-665 and Vikram Solar PARADEA VSMDH.66.680.05 bifacial panels?
Both Vikram Solar PARADEA VSMDH.66.AAA.05-665 and Vikram Solar PARADEA VSMDH.66.680.05 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.