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710W (series) vs 705W (series) 18 of 18 identical Swap Change panels

Gamko New Energy GKA210N132-710W (series) vs Gamko New Energy GKA210N132-705W (series)

Gamko New Energy GKA210N132-710W (series)
Gamko New Energy
GKA210N132-710W (series)
710 Wp 22.86 % TOPCon Bifacial Incomplete
Open panel page Datasheet PDF
VS
Gamko New Energy GKA210N132-705W (series)
Gamko New Energy
GKA210N132-705W (series)
705 Wp 22.70 % TOPCon Bifacial Incomplete
Open panel page Datasheet PDF
The verdict

Identical on every published parameter

All 18 comparable parameters agree, with 1 more left out because at least one datasheet does not publish it. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from.

How alike are they
18 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

0 of 18 parameters

Every comparable parameter agrees. The full specification is below.

02

What it means on a roof

Thirty years of production
Declared first-year losses, with 0.40% a year afterwards assumed for both panels, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.340 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
710W (series)
23,566 kWh
705W (series)
23,400 kWh
Lifetime gap
166 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 710W (series) 705W (series)
Standard test conditions 25 °C 100.0% of rated power 710 W 705 W
Cool, bright day 40 °C 94.9% of rated power 674 W 669 W
Typical summer roof 55 °C 89.8% of rated power 638 W 633 W
Hot roof 70 °C 84.7% of rated power 601 W 597 W
03

Full specification

Parameter 710W (series) 705W (series) Difference
Power and efficiency
Rated power 710 Wp 705 Wp Effectively the same
Module efficiency 22.86 % 22.70 % Effectively the same
Power density 228.6 Wp/m² 227.0 Wp/m² Effectively the same
Open-circuit voltage 46.25 V 46.03 V Effectively the same
Voltage at max power 38.55 V 38.36 V Effectively the same
Short-circuit current 19.34 A 19.30 A Effectively the same
Current at max power 18.42 A 18.38 A Effectively the same
Temperature
Temperature coefficient -0.340 %/°C -0.340 %/°C Same
Mechanical
Dimensions 2384x1303x30 mm 2384x1303x30 mm Same
Module area 3.106 m² 3.106 m² Same
Weight 32.0 kg 32.0 kg Same
Weight per kWp 45.1 kg/kWp 45.4 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation - - Neither datasheet publishes this
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

14,129 panels
Efficiency
#2,591 vs #3,364
710W (series) leads by 773 places
Power density
#2,529 vs #3,418
710W (series) leads by 889 places
Heat behaviour
#8,846 vs #8,846
Tied - the same position in the database
Weight
#612 vs #718
710W (series) leads by 106 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#810 vs #990
710W (series) leads by 180 places
05

More useful comparisons

Open the full database
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Gamko New Energy
Gamko New Energy GKA210N132-710W (series) vs Gamko New Energy GKA210N132-720W (series)
3 differences, the largest is module efficiency
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Gamko New Energy GKA210N132-710W (series) vs Gamko New Energy GKA210N132-715W (series)
The same specification on paper
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Gamko New Energy GKA210N132-710W (series) vs Gamko New Energy GKA210N132-700W (series)
3 differences, the largest is module efficiency
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Gamko New Energy
Gamko New Energy GKA210N132-710W (series) vs Gamko New Energy GKA210N132
7 differences, the largest is module efficiency
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Gamko New Energy
Gamko New Energy GKA210N132-710W (series) vs Gamko New Energy GKA210N132-750
7 differences, the largest is module efficiency
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Gamko New Energy GKA210N132-710W (series) vs Gamko New Energy GKA210N132-745
7 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Gamko New Energy GKA210N132-710W (series) or Gamko New Energy GKA210N132-705W (series)?
According to our database: Gamko New Energy GKA210N132-710 W (series) has higher module efficiency (22.86% vs 22.70%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Gamko New Energy GKA210N132-710W (series) and Gamko New Energy GKA210N132-705W (series)?
Gamko New Energy GKA210N132-710 W (series) has a module efficiency of 22.86%, while Gamko New Energy GKA210N132-705 W (series) is 22.70%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Gamko New Energy GKA210N132-710W (series) use vs Gamko New Energy GKA210N132-705W (series)?
Gamko New Energy GKA210N132-710 W (series) uses TOPCon cells; Gamko New Energy GKA210N132-705 W (series) 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 Gamko New Energy GKA210N132-710W (series) and Gamko New Energy GKA210N132-705W (series)?
Gamko New Energy GKA210N132-710 W (series) has a 30 years power warranty; Gamko New Energy GKA210N132-705 W (series) 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 Gamko New Energy GKA210N132-710W (series) and Gamko New Energy GKA210N132-705W (series) bifacial panels?
Both Gamko New Energy GKA210N132-710 W (series) and Gamko New Energy GKA210N132-705 W (series) 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.