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RS9H-M TOPCON-725 vs RS8V430M-FB 6 of 19 identical Swap Change panels

Resun Solar RS9H-M TOPCON-725 vs Resun Solar RS8V430M-FB

Resun Solar RS9H-M TOPCON-725
Resun Solar
RS9H-M TOPCON-725
725 Wp 23.34 % TOPCon
Open panel page Datasheet PDF
VS
Resun Solar
RS8V430M-FB
430 Wp 22.02 % TOPCon
Open panel page Datasheet PDF
The verdict

RS9H-M TOPCON-725 leads on the differences that matter

The largest is module efficiency: 1.32 pp more efficient. 6 of 19 comparable parameters are identical.

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

What actually differs

13 of 19 parameters
Parameter RS9H-M TOPCON-725 RS8V430M-FB Difference
Module efficiency 23.34 % 22.02 % 1.32 pp more efficient
Temperature coefficient -0.300 %/°C -0.350 %/°C 0.050 %/°C better in heat
Rated power 725 Wp 430 Wp 295 W more power
Power density 233.4 Wp/m² 220.2 Wp/m² 13.2 Wp/m² higher
Weight 32.3 kg 21.5 kg 10.8 kg lighter
Weight per kWp 44.6 kg/kWp 50.0 kg/kWp 5.4 kg/kWp lighter
Open-circuit voltage 49.60 V 37.84 V 11.76 V apart
Short-circuit current 18.54 A 14.27 A 4.27 A apart
Module area 3.106 m² 1.953 m² 1.154 m² apart
Voltage at max power 41.50 V 32.09 V 9.41 V apart
Current at max power 17.47 A 13.40 A 4.07 A apart
Cell count 132 108 24 cells apart
Dimensions 2384x1303x30 mm 1722x1134x30 mm 2384x1303x30 mm vs 1722x1134x30 mm
02

What it means on a roof

Thirty years of production
Declared annual degradation, with a 1.0% first-year loss assumed for both panels because at least one datasheet omits it, at 1,200 kWh/kWp a year
RS9H-M TOPCON-725
23,947 kWh
RS8V430M-FB
14,203 kWh
Lifetime gap
9,744 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario RS9H-M TOPCON-725 RS8V430M-FB
Standard test conditions 25 °C 100.0% of rated power 725 W 430 W
Cool, bright day 40 °C 94.8% of rated power 692 W 407 W
Typical summer roof 55 °C 89.5% of rated power 660 W 385 W
Hot roof 70 °C 84.2% of rated power 627 W 362 W
03

Full specification

Parameter RS9H-M TOPCON-725 RS8V430M-FB Difference
Power and efficiency
Rated power 725 Wp 430 Wp +295 W for RS9H-M TOPCON-725
Module efficiency 23.34 % 22.02 % +1.32 pp for RS9H-M TOPCON-725
Power density 233.4 Wp/m² 220.2 Wp/m² +13.2 Wp/m² for RS9H-M TOPCON-725
Open-circuit voltage 49.60 V 37.84 V 11.76 V apart
Voltage at max power 41.50 V 32.09 V 9.41 V apart
Short-circuit current 18.54 A 14.27 A 4.27 A apart
Current at max power 17.47 A 13.40 A 4.07 A apart
Temperature
Temperature coefficient -0.300 %/°C -0.350 %/°C +0.050 %/°C for RS9H-M TOPCON-725
Mechanical
Dimensions 2384x1303x30 mm 1722x1134x30 mm 2384x1303x30 mm vs 1722x1134x30 mm
Module area 3.106 m² 1.953 m² 1.154 m² apart
Weight 32.3 kg 21.5 kg -10.8 kg for RS8V430M-FB
Weight per kWp 44.6 kg/kWp 50.0 kg/kWp -5.4 kg/kWp for RS9H-M TOPCON-725
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.50 %/yr 0.50 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 108 24 cells apart
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#943 vs #6,329
RS9H-M TOPCON-725 leads by 5,386 places
Power density
#936 vs #6,481
RS9H-M TOPCON-725 leads by 5,545 places
Heat behaviour
#6,093 vs #10,419
RS9H-M TOPCON-725 leads by 4,326 places
Weight
#473 vs #3,317
RS9H-M TOPCON-725 leads by 2,844 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#242 vs #9,520
RS9H-M TOPCON-725 leads by 9,278 places
05

More useful comparisons

Open the full database
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Resun Solar RS9H-M TOPCON-725 vs Resun Solar RS9H-M TOPCON-735
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Resun Solar RS9H-M TOPCON-725 vs Resun Solar RS9H-M TOPCON-730
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Resun Solar RS9H-M TOPCON-725 vs Resun Solar RS9H-M TOPCON-720
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Resun Solar RS9H-M TOPCON-725 vs Resun Solar RS9H-M-720
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Resun Solar RS9H-M TOPCON-725 vs Resun Solar RS9H-M-DG-720
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Resun Solar RS9H-M TOPCON-725 vs Resun Solar RS9H-M-715
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06

Written summary

07

Questions about this pairing

Which panel is better: Resun Solar RS9H-M TOPCON-725 or Resun Solar RS8V430M-FB?
According to our database: Resun Solar RS9H-M TOPCON-725 has higher module efficiency (23.34% vs 22.02%); Resun Solar RS9H-M TOPCON-725 tolerates heat better (temp coeff -0.300%/°C vs -0.350%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Resun Solar RS9H-M TOPCON-725 and Resun Solar RS8V430M-FB?
Resun Solar RS9H-M TOPCON-725 has a module efficiency of 23.34%, while Resun Solar RS8V430M-FB is 22.02%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Resun Solar RS9H-M TOPCON-725 use vs Resun Solar RS8V430M-FB?
Resun Solar RS9H-M TOPCON-725 uses TOPCon cells; Resun Solar RS8V430M-FB 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 Resun Solar RS9H-M TOPCON-725 and Resun Solar RS8V430M-FB?
Resun Solar RS9H-M TOPCON-725 has a 30 years power warranty; Resun Solar RS8V430M-FB 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.

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.