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705 vs 740 13 of 19 identical Swap Change panels

Runergy HY-DH132H10-705 vs Runergy HY-DH132H10-740

Runergy
HY-DH132H10-705
705 Wp 22.70 % HJT Bifacial
Open panel page Datasheet PDF
VS
Runergy
HY-DH132H10-740
740 Wp 23.80 % HJT Bifacial
Open panel page Datasheet PDF
The verdict

740 leads on the differences that matter

The largest is module efficiency: 1.10 pp more efficient. 13 of 19 comparable parameters are identical.

See all 6 differences
How alike are they
13 of 19 comparable
parameters are identical
identical differs
01

What actually differs

6 of 19 parameters
Parameter 705 740 Difference
Module efficiency 22.70 % 23.80 % 1.10 pp more efficient
Power density 227.0 Wp/m² 238.2 Wp/m² 11.3 Wp/m² higher
Rated power 705 Wp 740 Wp 35 W more power
Weight per kWp 54.3 kg/kWp 51.8 kg/kWp 2.6 kg/kWp lighter
Open-circuit voltage 50.29 V 51.34 V 1.05 V apart
Voltage at max power 42.25 V 43.25 V 1.00 V 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.
705
23,728 kWh
740
24,906 kWh
Lifetime gap
1,178 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 705 740
Standard test conditions 25 °C 100.0% of rated power 705 W 740 W
Cool, bright day 40 °C 96.1% of rated power 678 W 711 W
Typical summer roof 55 °C 92.2% of rated power 650 W 682 W
Hot roof 70 °C 88.3% of rated power 623 W 653 W
03

Full specification

Parameter 705 740 Difference
Power and efficiency
Rated power 705 Wp 740 Wp +35 W for 740
Module efficiency 22.70 % 23.80 % +1.10 pp for 740
Power density 227.0 Wp/m² 238.2 Wp/m² +11.3 Wp/m² for 740
Open-circuit voltage 50.29 V 51.34 V 1.05 V apart
Voltage at max power 42.25 V 43.25 V 1.00 V apart
Short-circuit current 17.49 A 17.91 A Effectively the same
Current at max power 16.69 A 17.11 A Effectively the same
Temperature
Temperature coefficient -0.260 %/°C -0.260 %/°C Same
Mechanical
Dimensions 2384x1303x33 mm 2384x1303x33 mm Same
Module area 3.106 m² 3.106 m² Same
Weight 38.3 kg 38.3 kg Same
Weight per kWp 54.3 kg/kWp 51.8 kg/kWp -2.6 kg/kWp for 740
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.38 %/yr 0.38 %/yr Same
Technology
Cell technology HJT HJT Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 132 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#3,307 vs #433
740 leads by 2,874 places
Power density
#3,361 vs #431
740 leads by 2,930 places
Heat behaviour
#511 vs #511
Tied - the same position in the database
Weight
#8,604 vs #5,125
740 leads by 3,479 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#1,007 vs #185
740 leads by 822 places
05

More useful comparisons

Open the full database
Same series, other bin
Runergy
Runergy HY-DH132H10-705 vs Runergy HY-DH132H10-Plus-740
7 differences, the largest is module efficiency
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Runergy
Runergy HY-DH132H10-705 vs Runergy HY-DH132H10-735
4 differences, the largest is module efficiency
Same series, other bin
Runergy
Runergy HY-DH132H10-705 vs Runergy HY-DH132H10-Plus-735
4 differences, the largest is module efficiency
Same series, other bin
Runergy
Runergy HY-DH132H10-705 vs Runergy HY-DH132H10-730
3 differences, the largest is module efficiency
Same series, other bin
Runergy
Runergy HY-DH132H10-705 vs Runergy HY-DH132N10-730
8 differences, the largest is module efficiency
Same series, other bin
Runergy
Runergy HY-DH132H10-705 vs Runergy HY-DH132H10-Plus-730
4 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Runergy HY-DH132H10-705 or Runergy HY-DH132H10-740?
According to our database: Runergy HY-DH132H10-740 has higher module efficiency (23.80% vs 22.70%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Runergy HY-DH132H10-705 and Runergy HY-DH132H10-740?
Runergy HY-DH132H10-705 has a module efficiency of 22.70%, while Runergy HY-DH132H10-740 is 23.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Runergy HY-DH132H10-705 use vs Runergy HY-DH132H10-740?
Runergy HY-DH132H10-705 uses HJT cells; Runergy HY-DH132H10-740 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 Runergy HY-DH132H10-705 and Runergy HY-DH132H10-740?
Runergy HY-DH132H10-705 has a 30 years power warranty; Runergy HY-DH132H10-740 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-DH132H10-705 and Runergy HY-DH132H10-740 bifacial panels?
Both Runergy HY-DH132H10-705 and Runergy HY-DH132H10-740 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.