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54HGF-500M vs 54HGb-470M 14 of 19 identical Swap Change panels

Gokin GK-3-54HGF-500M vs Gokin GK-3-54HGb-470M

Gokin GK-3-54HGF-500M
Gokin
GK-3-54HGF-500M
500 Wp 24.50 % Back Contact
Open panel page Datasheet PDF
VS
Gokin
GK-3-54HGb-470M
470 Wp 23.00 % Back Contact
Open panel page Datasheet PDF
The verdict

54HGF-500M leads on the differences that matter

The largest is module efficiency: 1.50 pp more efficient. 14 of 19 comparable parameters are identical.

See all 5 differences
How alike are they
14 of 19 comparable
parameters are identical
identical differs
01

What actually differs

5 of 19 parameters
Parameter 54HGF-500M 54HGb-470M Difference
Module efficiency 24.50 % 23.00 % 1.50 pp more efficient
Power density 245.0 Wp/m² 230.3 Wp/m² 14.7 Wp/m² higher
Rated power 500 Wp 470 Wp 30 W more power
Weight per kWp 42.8 kg/kWp 45.5 kg/kWp 2.7 kg/kWp lighter
Current at max power 14.62 A 14.05 A 0.57 A apart
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.
54HGF-500M
16,907 kWh
54HGb-470M
15,892 kWh
Lifetime gap
1,015 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 54HGF-500M 54HGb-470M
Standard test conditions 25 °C 100.0% of rated power 500 W 470 W
Cool, bright day 40 °C 96.1% of rated power 481 W 452 W
Typical summer roof 55 °C 92.2% of rated power 461 W 433 W
Hot roof 70 °C 88.3% of rated power 442 W 415 W
03

Full specification

Parameter 54HGF-500M 54HGb-470M Difference
Power and efficiency
Rated power 500 Wp 470 Wp +30 W for 54HGF-500M
Module efficiency 24.50 % 23.00 % +1.50 pp for 54HGF-500M
Power density 245.0 Wp/m² 230.3 Wp/m² +14.7 Wp/m² for 54HGF-500M
Open-circuit voltage 40.67 V 40.37 V Effectively the same
Voltage at max power 34.21 V 33.48 V Effectively the same
Short-circuit current 15.27 A 14.86 A Effectively the same
Current at max power 14.62 A 14.05 A 0.57 A apart
Temperature
Temperature coefficient -0.260 %/°C -0.260 %/°C Same
Mechanical
Dimensions 1800x1134x30 mm 1800x1134x30 mm Same
Module area 2.041 m² 2.041 m² Same
Weight 21.4 kg 21.4 kg Same
Weight per kWp 42.8 kg/kWp 45.5 kg/kWp -2.7 kg/kWp for 54HGF-500M
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.35 %/yr 0.35 %/yr Same
Technology
Cell technology Back Contact Back Contact Same
Cell type Monocrystalline Monocrystalline Same
Cell count 108 108 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#74 vs #1,919
54HGF-500M leads by 1,845 places
Power density
#77 vs #1,854
54HGF-500M leads by 1,777 places
Heat behaviour
#511 vs #511
Tied - the same position in the database
Weight
#241 vs #757
54HGF-500M leads by 516 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#4,079 vs #6,897
54HGF-500M leads by 2,818 places
05

More useful comparisons

Open the full database
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Gokin GK-3-54HGF-500M vs Gokin GK-3-54HGb-485M
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06

Written summary

07

Questions about this pairing

Which panel is better: Gokin GK-3-54HGF-500M or Gokin GK-3-54HGb-470M?
According to our database: Gokin GK-3-54HGF-500M has higher module efficiency (24.50% vs 23.00%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Gokin GK-3-54HGF-500M and Gokin GK-3-54HGb-470M?
Gokin GK-3-54HGF-500M has a module efficiency of 24.50%, while Gokin GK-3-54HGb-470M is 23.00%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Gokin GK-3-54HGF-500M use vs Gokin GK-3-54HGb-470M?
Gokin GK-3-54HGF-500M uses Back Contact cells; Gokin GK-3-54HGb-470M uses Back Contact. 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 Gokin GK-3-54HGF-500M and Gokin GK-3-54HGb-470M?
Gokin GK-3-54HGF-500M has a 30 years power warranty; Gokin GK-3-54HGb-470M 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.

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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.