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435 vs 440 18 of 19 identical Swap Change panels

Runergy HY-DH108N8B-435 vs Runergy HY-DH108N8B-440

Runergy
HY-DH108N8B-435
435 Wp 22.30 % N-type Bifacial
Open panel page Datasheet PDF
VS
Runergy
HY-DH108N8B-440
440 Wp 22.50 % N-type Bifacial
Open panel page Datasheet PDF
The verdict

440 leads on the differences that matter

The largest is module efficiency: 0.20 pp more efficient. 18 of 19 comparable parameters are identical.

See the one difference
How alike are they
18 of 19 comparable
parameters are identical
identical differs
01

What actually differs

1 of 19 parameters
Parameter 435 440 Difference
Module efficiency 22.30 % 22.50 % 0.20 pp more efficient
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.
435
14,595 kWh
440
14,763 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 435 440
Standard test conditions 25 °C 100.0% of rated power 435 W 440 W
Cool, bright day 40 °C 95.7% of rated power 416 W 421 W
Typical summer roof 55 °C 91.3% of rated power 397 W 402 W
Hot roof 70 °C 87.0% of rated power 378 W 383 W
03

Full specification

Parameter 435 440 Difference
Power and efficiency
Rated power 435 Wp 440 Wp Effectively the same
Module efficiency 22.30 % 22.50 % +0.20 pp for 440
Power density 222.8 Wp/m² 225.3 Wp/m² Effectively the same
Open-circuit voltage 38.97 V 39.16 V Effectively the same
Voltage at max power 33.03 V 33.21 V Effectively the same
Short-circuit current 13.80 A 13.88 A Effectively the same
Current at max power 13.17 A 13.25 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1722x1134x30 mm 1722x1134x30 mm Same
Module area 1.953 m² 1.953 m² Same
Weight 24.2 kg 24.2 kg Same
Weight per kWp 55.6 kg/kWp 55.0 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology N-type N-type Same
Cell type Monocrystalline Monocrystalline Same
Cell count 108 108 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#5,100 vs #4,222
440 leads by 878 places
Power density
#5,150 vs #4,099
440 leads by 1,051 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#10,001 vs #9,361
440 leads by 640 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#9,745 vs #9,409
440 leads by 336 places
05

More useful comparisons

Open the full database
Same series, other bin
Runergy
Runergy HY-DH108N8B-435 vs Runergy HY-DH108N8B-450
3 differences, the largest is module efficiency
Same series, other bin
Runergy
Runergy HY-DH108N8B-435 vs Runergy HY-DH108N8-450
3 differences, the largest is module efficiency
Same series, other bin
Runergy
Runergy HY-DH108N8B-435 vs Runergy HY-DH108N8B-445
3 differences, the largest is module efficiency
Same series, other bin
Runergy
Runergy HY-DH108N8B-435 vs Runergy HY-DH108N8-445
3 differences, the largest is module efficiency
Same series, other bin
Runergy
Runergy HY-DH108N8B-435 vs Runergy HY-DH108N8-440
One difference: module efficiency
Same series, other bin
Runergy
Runergy HY-DH108N8B-435 vs Runergy HY-DH108N8-435
The same specification on paper
06

Written summary

07

Questions about this pairing

Which panel is better: Runergy HY-DH108N8B-435 or Runergy HY-DH108N8B-440?
According to our database: Runergy HY-DH108N8B-440 has higher module efficiency (22.50% vs 22.30%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Runergy HY-DH108N8B-435 and Runergy HY-DH108N8B-440?
Runergy HY-DH108N8B-435 has a module efficiency of 22.30%, while Runergy HY-DH108N8B-440 is 22.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Runergy HY-DH108N8B-435 use vs Runergy HY-DH108N8B-440?
Runergy HY-DH108N8B-435 uses N-type cells; Runergy HY-DH108N8B-440 uses N-type. 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 Runergy HY-DH108N8B-435 and Runergy HY-DH108N8B-440?
Runergy HY-DH108N8B-435 has a 30 years power warranty; Runergy HY-DH108N8B-440 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 Runergy HY-DH108N8B-435 and Runergy HY-DH108N8B-440 bifacial panels?
Both Runergy HY-DH108N8B-435 and Runergy HY-DH108N8B-440 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.