JKM710-735N-66HL5-BDV-Z3-EU (735W bin) vs JKM635N-78HL4-BDV-F9-EU 7 of 19 identical Swap Change panels

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) vs Jinko Solar JKM635N-78HL4-BDV-F9-EU

Q: Which panel is better: Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) or Jinko Solar JKM635N-78HL4-BDV-F9-EU?

According to our database: Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) has higher module efficiency (23.66% vs 22.72%). See the full spec comparison and 30-year energy simulation above for a complete picture.

Q: What is the efficiency of Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) and Jinko Solar JKM635N-78HL4-BDV-F9-EU?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) has a module efficiency of 23.66%, while Jinko Solar JKM635N-78HL4-BDV-F9-EU is 22.72%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) use vs Jinko Solar JKM635N-78HL4-BDV-F9-EU?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) uses TOPCon cells; Jinko Solar JKM635N-78HL4-BDV-F9-EU 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 Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) and Jinko Solar JKM635N-78HL4-BDV-F9-EU?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) has a 30 years power warranty; Jinko Solar JKM635N-78HL4-BDV-F9-EU 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.

Q: Are Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) and Jinko Solar JKM635N-78HL4-BDV-F9-EU bifacial panels?

Both Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) and Jinko Solar JKM635N-78HL4-BDV-F9-EU 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.

JKM710-735N-66HL5-BDV-Z3-EU (735W bin)

735 Wp 23.66 % TOPCon Bifacial

Open panel page Datasheet PDF

JKM635N-78HL4-BDV-F9-EU

635 Wp 22.72 % TOPCon Bifacial

Open panel page Datasheet PDF

The verdict

JKM710-735N-66HL5-BDV-Z3-EU (735W bin) leads on the differences that matter

The largest is module efficiency: 0.94 pp more efficient. 7 of 19 comparable parameters are identical.

See all 12 differences

How alike are they

7 of 19 comparable
parameters are identical

identical differs

What actually differs

12 of 19 parameters

Parameter JKM710-735N-66HL5-BDV-Z3-EU (735W bin) JKM635N-78HL4-BDV-F9-EU Difference

Module efficiency 23.66 % 22.72 % 0.94 pp more efficient

Rated power 735 Wp 635 Wp 100 W more power

Power density 236.6 Wp/m² 227.2 Wp/m² 9.4 Wp/m² higher

Weight 37.5 kg 34.0 kg 3.5 kg lighter

Open-circuit voltage 49.52 V 57.21 V 7.69 V apart

Short-circuit current 18.88 A 13.92 A 4.96 A apart

Module area 3.106 m² 2.795 m² 0.311 m² apart

Voltage at max power 41.23 V 47.86 V 6.63 V apart

Current at max power 17.83 A 13.27 A 4.56 A apart

Cell count 132 156 24 cells apart

Weight per kWp 51.0 kg/kWp 53.5 kg/kWp 2.5 kg/kWp lighter

Dimensions 2384x1303x33 mm 2465x1134x30 mm 2384x1303x33 mm vs 2465x1134x30 mm

What it means on a roof

Thirty years of production

Each panel's own declared degradation curve, at 1,200 kWh/kWp a year

Cell temperature

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.

JKM710-735N-66HL5-BDV-Z3-EU (735W bin)

24,661 kWh

JKM635N-78HL4-BDV-F9-EU

21,306 kWh

Lifetime gap

3,355 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario JKM710-735N-66HL5-BDV-Z3-EU (735W bin) JKM635N-78HL4-BDV-F9-EU

Standard test conditions 25 °C 100.0% of rated power 735 W 635 W

Cool, bright day 40 °C 95.7% of rated power 703 W 607 W

Typical summer roof 55 °C 91.3% of rated power 671 W 580 W

Hot roof 70 °C 87.0% of rated power 639 W 552 W

Full specification

Parameter JKM710-735N-66HL5-BDV-Z3-EU (735W bin) JKM635N-78HL4-BDV-F9-EU Difference

Power and efficiency

Rated power 735 Wp 635 Wp +100 W for JKM710-735N-66HL5-BDV-Z3-EU (735W bin)

Module efficiency 23.66 % 22.72 % +0.94 pp for JKM710-735N-66HL5-BDV-Z3-EU (735W bin)

Power density 236.6 Wp/m² 227.2 Wp/m² +9.4 Wp/m² for JKM710-735N-66HL5-BDV-Z3-EU (735W bin)

Open-circuit voltage 49.52 V 57.21 V 7.69 V apart

Voltage at max power 41.23 V 47.86 V 6.63 V apart

Short-circuit current 18.88 A 13.92 A 4.96 A apart

Current at max power 17.83 A 13.27 A 4.56 A apart

Temperature

Temperature coefficient -0.290 %/°C -0.290 %/°C Same

Mechanical

Dimensions 2384x1303x33 mm 2465x1134x30 mm 2384x1303x33 mm vs 2465x1134x30 mm

Module area 3.106 m² 2.795 m² 0.311 m² apart

Weight 37.5 kg 34.0 kg -3.5 kg for JKM635N-78HL4-BDV-F9-EU

Weight per kWp 51.0 kg/kWp 53.5 kg/kWp -2.5 kg/kWp for JKM710-735N-66HL5-BDV-Z3-EU (735W bin)

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 TOPCon TOPCon Same

Cell type Monocrystalline Monocrystalline Same

Cell count 132 156 24 cells apart

Bifacial Yes Yes Same

Against the whole database

14,005 panels

Efficiency

#602 vs #3,245

JKM710-735N-66HL5-BDV-Z3-EU (735W bin) leads by 2,643 places

Power density

#582 vs #3,252

JKM710-735N-66HL5-BDV-Z3-EU (735W bin) leads by 2,670 places

Heat behaviour

#2,165 vs #2,165

Tied - the same position in the database

Weight

#4,360 vs #7,535

JKM710-735N-66HL5-BDV-Z3-EU (735W bin) leads by 3,175 places

Warranty

#21 vs #21

Tied - the same position in the database

Overall

#239 vs #2,340

JKM710-735N-66HL5-BDV-Z3-EU (735W bin) leads by 2,101 places

More useful comparisons

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3 differences, the largest is module efficiency

Written summary

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Questions about this pairing

Which panel is better: Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) or Jinko Solar JKM635N-78HL4-BDV-F9-EU?

According to our database: Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) has higher module efficiency (23.66% vs 22.72%). See the full spec comparison and 30-year energy simulation above for a complete picture.

What is the efficiency of Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) and Jinko Solar JKM635N-78HL4-BDV-F9-EU?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) has a module efficiency of 23.66%, while Jinko Solar JKM635N-78HL4-BDV-F9-EU is 22.72%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

What cell technology does Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) use vs Jinko Solar JKM635N-78HL4-BDV-F9-EU?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) uses TOPCon cells; Jinko Solar JKM635N-78HL4-BDV-F9-EU 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 Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) and Jinko Solar JKM635N-78HL4-BDV-F9-EU?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) has a 30 years power warranty; Jinko Solar JKM635N-78HL4-BDV-F9-EU 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 Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) and Jinko Solar JKM635N-78HL4-BDV-F9-EU bifacial panels?

Both Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) and Jinko Solar JKM635N-78HL4-BDV-F9-EU 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.

Shop prices: See 170 Jinko Solar offers

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.