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630 vs 620 16 of 19 identical Swap Change panels

GL Solar 3SHBGH-C#-630 vs GL Solar 3SHBGH-C#-620

GL Solar
3SHBGH-C#-630
630 Wp 22.30 % HJT Bifacial
Open panel page Datasheet PDF
VS
GL Solar
3SHBGH-C#-620
620 Wp 21.90 % HJT Bifacial
Open panel page Datasheet PDF
The verdict

630 leads on the differences that matter

The largest is module efficiency: 0.40 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 630 620 Difference
Module efficiency 22.30 % 21.90 % 0.40 pp more efficient
Power density 222.6 Wp/m² 219.1 Wp/m² 3.5 Wp/m² higher
Rated power 630 Wp 620 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 (-0.260 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
630
20,911 kWh
620
20,579 kWh
Lifetime gap
332 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 630 620
Standard test conditions 25 °C 100.0% of rated power 630 W 620 W
Cool, bright day 40 °C 96.1% of rated power 605 W 596 W
Typical summer roof 55 °C 92.2% of rated power 581 W 572 W
Hot roof 70 °C 88.3% of rated power 556 W 547 W
03

Full specification

Parameter 630 620 Difference
Power and efficiency
Rated power 630 Wp 620 Wp +10 W for 630
Module efficiency 22.30 % 21.90 % +0.40 pp for 630
Power density 222.6 Wp/m² 219.1 Wp/m² +3.5 Wp/m² for 630
Open-circuit voltage 45.60 V 45.49 V Effectively the same
Voltage at max power 38.52 V 38.12 V Effectively the same
Short-circuit current 17.48 A 17.40 A Effectively the same
Current at max power 16.36 A 16.26 A Effectively the same
Temperature
Temperature coefficient -0.260 %/°C -0.260 %/°C Same
Mechanical
Dimensions 2172x1303x35 mm 2172x1303x35 mm Same
Module area 2.830 m² 2.830 m² Same
Weight 36.0 kg 36.0 kg Same
Weight per kWp 57.1 kg/kWp 58.1 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 HJT HJT Same
Cell type Monocrystalline Monocrystalline Same
Cell count 120 120 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#5,100 vs #6,783
630 leads by 1,683 places
Power density
#5,501 vs #6,743
630 leads by 1,242 places
Heat behaviour
#511 vs #511
Tied - the same position in the database
Weight
#11,083 vs #11,548
630 leads by 465 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#2,426 vs #3,210
630 leads by 784 places
05

More useful comparisons

Open the full database
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GL Solar
GL Solar 3SHBGH-C#-630 vs GL Solar 3SHBGH-C#-640
3 differences, the largest is module efficiency
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GL Solar 3SHBGH-C#-630 vs GL Solar 3SHBGH-C#-635
The same specification on paper
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GL Solar 3SHBGH-C#-630 vs GL Solar 3SHBGH-C#-625
One difference: module efficiency
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GL Solar
GL Solar 3SHBGH-C#-630 vs GL Solar 3SHBGH-C#-615
3 differences, the largest is module efficiency
Same series, other bin
GL Solar
GL Solar 3SHBGH-C#-630 vs GL Solar 3SHBGH-C#-610
3 differences, the largest is module efficiency
Same manufacturer
GL Solar
GL Solar 3SHBGH-C#-630 vs GL Solar HY-NT10/72GDF-610W
14 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: GL Solar 3SHBGH-C#-630 or GL Solar 3SHBGH-C#-620?
According to our database: GL Solar 3SHBGH-C#-630 has higher module efficiency (22.30% vs 21.90%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of GL Solar 3SHBGH-C#-630 and GL Solar 3SHBGH-C#-620?
GL Solar 3SHBGH-C#-630 has a module efficiency of 22.30%, while GL Solar 3SHBGH-C#-620 is 21.90%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does GL Solar 3SHBGH-C#-630 use vs GL Solar 3SHBGH-C#-620?
GL Solar 3SHBGH-C#-630 uses HJT cells; GL Solar 3SHBGH-C#-620 uses HJT. 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 3SHBGH-C#-630 and GL Solar 3SHBGH-C#-620?
GL Solar 3SHBGH-C#-630 has a 30 years power warranty; GL Solar 3SHBGH-C#-620 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 3SHBGH-C#-630 and GL Solar 3SHBGH-C#-620 bifacial panels?
Both GL Solar 3SHBGH-C#-630 and GL Solar 3SHBGH-C#-620 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.

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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.