RS9H-M TOPCON-720 vs RS8V-M-430W FULL BLACK 5 of 19 identical Swap Change panels

Resun Solar RS9H-M TOPCON-720 vs Resun Solar RS8V-M-430W FULL BLACK

Q: Which panel is better: Resun Solar RS9H-M TOPCON-720 or Resun Solar RS8V-M-430W FULL BLACK?

According to our database: Resun Solar RS9H-M TOPCON-720 has higher module efficiency (23.18% vs 22.02%); Resun Solar RS8V-M-430W FULL BLACK tolerates heat better (temp coeff -0.250%/°C vs -0.300%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.

Q: What is the efficiency of Resun Solar RS9H-M TOPCON-720 and Resun Solar RS8V-M-430W FULL BLACK?

Resun Solar RS9H-M TOPCON-720 has a module efficiency of 23.18%, while Resun Solar RS8V-M-430W FULL BLACK is 22.02%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does Resun Solar RS9H-M TOPCON-720 use vs Resun Solar RS8V-M-430W FULL BLACK?

Resun Solar RS9H-M TOPCON-720 uses TOPCon cells; Resun Solar RS8V-M-430W FULL BLACK uses TOPCon. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.

Q: What is the warranty on Resun Solar RS9H-M TOPCON-720 and Resun Solar RS8V-M-430W FULL BLACK?

Resun Solar RS9H-M TOPCON-720 has a 30 years power warranty; Resun Solar RS8V-M-430W FULL BLACK 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.

Resun Solar

RS9H-M TOPCON-720

720 Wp 23.18 % TOPCon

Open panel page Datasheet PDF

Resun Solar

RS8V-M-430W FULL BLACK

430 Wp 22.02 % TOPCon

Open panel page Datasheet PDF

The verdict

14 differences, and they point both ways

The largest is module efficiency: 1.16 pp more efficient. 5 of 19 comparable parameters are identical.

See all 14 differences

How alike are they

5 of 19 comparable
parameters are identical

identical differs

What actually differs

14 of 19 parameters

Parameter RS9H-M TOPCON-720 RS8V-M-430W FULL BLACK Difference

Module efficiency 23.18 % 22.02 % 1.16 pp more efficient

Temperature coefficient -0.300 %/°C -0.250 %/°C 0.050 %/°C better in heat

Rated power 720 Wp 430 Wp 290 W more power

Power density 231.8 Wp/m² 220.2 Wp/m² 11.6 Wp/m² higher

Weight 32.3 kg 21.5 kg 10.8 kg lighter

Open-circuit voltage 49.40 V 37.84 V 11.56 V apart

Short-circuit current 18.49 A 14.27 A 4.22 A apart

Module area 3.106 m² 1.953 m² 1.154 m² apart

Annual degradation 0.50 %/yr 0.40 %/yr 0.10 %/yr slower

Weight per kWp 44.9 kg/kWp 50.0 kg/kWp 5.1 kg/kWp lighter

Voltage at max power 41.30 V 32.09 V 9.21 V apart

Current at max power 17.44 A 13.40 A 4.04 A apart

Cell count 132 108 24 cells apart

Dimensions 2384x1303x30 mm 1722x1134x30 mm 2384x1303x30 mm vs 1722x1134x30 mm

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

Cell temperature

RS9H-M TOPCON-720

23,782 kWh

RS8V-M-430W FULL BLACK

14,427 kWh

Lifetime gap

9,355 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario RS9H-M TOPCON-720 RS8V-M-430W FULL BLACK

Standard test conditions 25 °C 100.0% of rated power 720 W 430 W

Cool, bright day 40 °C 95.5% of rated power 688 W 414 W

Typical summer roof 55 °C 91.0% of rated power 655 W 398 W

Hot roof 70 °C 86.5% of rated power 623 W 382 W

Full specification

Parameter RS9H-M TOPCON-720 RS8V-M-430W FULL BLACK Difference

Power and efficiency

Rated power 720 Wp 430 Wp +290 W for RS9H-M TOPCON-720

Module efficiency 23.18 % 22.02 % +1.16 pp for RS9H-M TOPCON-720

Power density 231.8 Wp/m² 220.2 Wp/m² +11.6 Wp/m² for RS9H-M TOPCON-720

Open-circuit voltage 49.40 V 37.84 V 11.56 V apart

Voltage at max power 41.30 V 32.09 V 9.21 V apart

Short-circuit current 18.49 A 14.27 A 4.22 A apart

Current at max power 17.44 A 13.40 A 4.04 A apart

Temperature

Temperature coefficient -0.300 %/°C -0.250 %/°C +0.050 %/°C for RS8V-M-430W FULL BLACK

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 RS8V-M-430W FULL BLACK

Weight per kWp 44.9 kg/kWp 50.0 kg/kWp -5.1 kg/kWp for RS9H-M TOPCON-720

Warranty and degradation

Product warranty 15 yrs 15 yrs Same

Performance warranty 30 yrs 30 yrs Same

Annual degradation 0.50 %/yr 0.40 %/yr -0.10 %/yr for RS8V-M-430W FULL BLACK

Technology

Cell technology TOPCon TOPCon Same

Cell type Monocrystalline Monocrystalline Same

Cell count 132 108 24 cells apart

Bifacial No No Same

Against the whole database

14,005 panels

Efficiency

#1,424 vs #6,329

RS9H-M TOPCON-720 leads by 4,905 places

Power density

#1,347 vs #6,481

RS9H-M TOPCON-720 leads by 5,134 places

Heat behaviour

#6,093 vs #456

RS8V-M-430W FULL BLACK leads by 5,637 places

Weight

#559 vs #3,317

RS9H-M TOPCON-720 leads by 2,758 places

Warranty

#21 vs #21

Tied - the same position in the database

Overall

#325 vs #9,520

RS9H-M TOPCON-720 leads by 9,195 places

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Written summary

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Questions about this pairing

Which panel is better: Resun Solar RS9H-M TOPCON-720 or Resun Solar RS8V-M-430W FULL BLACK?

According to our database: Resun Solar RS9H-M TOPCON-720 has higher module efficiency (23.18% vs 22.02%); Resun Solar RS8V-M-430 W FULL BLACK tolerates heat better (temp coeff -0.250%/°C vs -0.300%/°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-720 and Resun Solar RS8V-M-430W FULL BLACK?

Resun Solar RS9H-M TOPCON-720 has a module efficiency of 23.18%, while Resun Solar RS8V-M-430 W FULL BLACK 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-720 use vs Resun Solar RS8V-M-430W FULL BLACK?

Resun Solar RS9H-M TOPCON-720 uses TOPCon cells; Resun Solar RS8V-M-430 W FULL BLACK 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-720 and Resun Solar RS8V-M-430W FULL BLACK?

Resun Solar RS9H-M TOPCON-720 has a 30 years power warranty; Resun Solar RS8V-M-430 W FULL BLACK 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.