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605W vs 590W 16 of 19 identical Swap Change panels

GL Solar HY-NT10/72GDF-605W vs GL Solar HY-NT10/72GDF-590W

GL Solar
HY-NT10/72GDF-605W
605 Wp 23.40 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
GL Solar
HY-NT10/72GDF-590W
590 Wp 22.80 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

605W leads on the differences that matter

The largest is module efficiency: 0.60 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 605W 590W Difference
Module efficiency 23.40 % 22.80 % 0.60 pp more efficient
Power density 234.2 Wp/m² 228.4 Wp/m² 5.8 Wp/m² higher
Rated power 605 Wp 590 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 (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
605W
20,299 kWh
590W
19,796 kWh
Lifetime gap
503 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 605W 590W
Standard test conditions 25 °C 100.0% of rated power 605 W 590 W
Cool, bright day 40 °C 95.7% of rated power 579 W 564 W
Typical summer roof 55 °C 91.3% of rated power 552 W 539 W
Hot roof 70 °C 87.0% of rated power 526 W 513 W
03

Full specification

Parameter 605W 590W Difference
Power and efficiency
Rated power 605 Wp 590 Wp +15 W for 605W
Module efficiency 23.40 % 22.80 % +0.60 pp for 605W
Power density 234.2 Wp/m² 228.4 Wp/m² +5.8 Wp/m² for 605W
Open-circuit voltage 52.75 V 52.20 V Effectively the same
Voltage at max power 44.74 V 44.15 V Effectively the same
Short-circuit current 14.31 A 14.13 A Effectively the same
Current at max power 13.53 A 13.37 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 2278x1134x30 mm 2278x1134x30 mm Same
Module area 2.583 m² 2.583 m² Same
Weight 32.1 kg 32.1 kg Same
Weight per kWp 53.1 kg/kWp 54.4 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 15 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 144 144 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#882 vs #2,714
605W leads by 1,832 places
Power density
#863 vs #2,598
605W leads by 1,735 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#6,815 vs #8,715
605W leads by 1,900 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#2,085 vs #3,167
605W leads by 1,082 places
05

More useful comparisons

Open the full database
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GL Solar HY-NT10/72GDF-605W vs GL Solar HY-NT10/72GDF-600W
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GL Solar HY-NT10/72GDF-605W vs GL Solar HY-NT10/72GDF-595W
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GL Solar HY-NT10/72GDF-605W vs GL Solar 3SHBGH-C#-640
14 differences, the largest is module efficiency
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GL Solar HY-NT10/72GDF-605W vs GL Solar 3SHBGH-C#-635
14 differences, the largest is module efficiency
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GL Solar HY-NT10/72GDF-605W vs GL Solar 3SHBGH-C#-630
14 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: GL Solar HY-NT10/72GDF-605W or GL Solar HY-NT10/72GDF-590W?
According to our database: GL Solar HY-NT10/72GDF-605 W has higher module efficiency (23.40% vs 22.80%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of GL Solar HY-NT10/72GDF-605W and GL Solar HY-NT10/72GDF-590W?
GL Solar HY-NT10/72GDF-605 W has a module efficiency of 23.40%, while GL Solar HY-NT10/72GDF-590 W is 22.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does GL Solar HY-NT10/72GDF-605W use vs GL Solar HY-NT10/72GDF-590W?
GL Solar HY-NT10/72GDF-605 W uses TOPCon cells; GL Solar HY-NT10/72GDF-590 W 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 GL Solar HY-NT10/72GDF-605W and GL Solar HY-NT10/72GDF-590W?
GL Solar HY-NT10/72GDF-605 W has a 30 years power warranty; GL Solar HY-NT10/72GDF-590 W 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 GL Solar HY-NT10/72GDF-605W and GL Solar HY-NT10/72GDF-590W bifacial panels?
Both GL Solar HY-NT10/72GDF-605 W and GL Solar HY-NT10/72GDF-590 W 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.

Shop prices: See 2 GL 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.