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AAA.05-680 vs 670.05 16 of 19 identical Swap Change panels

Vikram Solar PARADEA VSMDH.66.AAA.05-680 vs Vikram Solar PARADEA VSMDH.66.670.05

Vikram Solar PARADEA VSMDH.66.AAA.05-680
Vikram Solar
PARADEA VSMDH.66.AAA.05-680
680 Wp 21.89 % PERC Bifacial
Open panel page Datasheet PDF
VS
Vikram Solar PARADEA VSMDH.66.670.05
Vikram Solar
PARADEA VSMDH.66.670.05
670 Wp 21.57 % PERC Bifacial
Open panel page Datasheet PDF
The verdict

AAA.05-680 leads on the differences that matter

The largest is module efficiency: 0.32 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.05-680 670.05 Difference
Module efficiency 21.89 % 21.57 % 0.32 pp more efficient
Power density 218.9 Wp/m² 215.7 Wp/m² 3.2 Wp/m² higher
Rated power 680 Wp 670 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 (-0.350 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
AAA.05-680
22,216 kWh
670.05
21,889 kWh
Lifetime gap
327 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario AAA.05-680 670.05
Standard test conditions 25 °C 100.0% of rated power 680 W 670 W
Cool, bright day 40 °C 94.8% of rated power 644 W 635 W
Typical summer roof 55 °C 89.5% of rated power 609 W 600 W
Hot roof 70 °C 84.2% of rated power 573 W 564 W
03

Full specification

Parameter AAA.05-680 670.05 Difference
Power and efficiency
Rated power 680 Wp 670 Wp +10 W for AAA.05-680
Module efficiency 21.89 % 21.57 % +0.32 pp for AAA.05-680
Power density 218.9 Wp/m² 215.7 Wp/m² +3.2 Wp/m² for AAA.05-680
Open-circuit voltage 46.90 V 46.50 V Effectively the same
Voltage at max power 39.30 V 38.90 V Effectively the same
Short-circuit current 18.23 A 18.11 A Effectively the same
Current at max power 17.31 A 17.22 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 58.1 kg/kWp 59.0 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
#6,946 vs #7,798
AAA.05-680 leads by 852 places
Power density
#6,868 vs #7,708
AAA.05-680 leads by 840 places
Heat behaviour
#10,489 vs #10,489
Tied - the same position in the database
Weight
#11,647 vs #12,051
AAA.05-680 leads by 404 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#1,971 vs #2,542
AAA.05-680 leads by 571 places
05

More useful comparisons

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Vikram Solar PARADEA VSMDH.66.AAA.05-680 vs Vikram Solar PARADEA VSMDH.66.AAA.05-670
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06

Written summary

07

Questions about this pairing

Which panel is better: Vikram Solar PARADEA VSMDH.66.AAA.05-680 or Vikram Solar PARADEA VSMDH.66.670.05?
According to our database: Vikram Solar PARADEA VSMDH.66.AAA.05-680 has higher module efficiency (21.89% vs 21.57%). 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.05-680 and Vikram Solar PARADEA VSMDH.66.670.05?
Vikram Solar PARADEA VSMDH.66.AAA.05-680 has a module efficiency of 21.89%, while Vikram Solar PARADEA VSMDH.66.670.05 is 21.57%. 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.05-680 use vs Vikram Solar PARADEA VSMDH.66.670.05?
Vikram Solar PARADEA VSMDH.66.AAA.05-680 uses PERC cells; Vikram Solar PARADEA VSMDH.66.670.05 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.05-680 and Vikram Solar PARADEA VSMDH.66.670.05?
Vikram Solar PARADEA VSMDH.66.AAA.05-680 has a 30 years power warranty; Vikram Solar PARADEA VSMDH.66.670.05 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.05-680 and Vikram Solar PARADEA VSMDH.66.670.05 bifacial panels?
Both Vikram Solar PARADEA VSMDH.66.AAA.05-680 and Vikram Solar PARADEA VSMDH.66.670.05 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.