JKM710-735N-66HL5-BDV-Z3-EU (735W bin) vs JKM620N-66HL4M-BDV 10 of 19 identical Swap Change panels

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) vs Jinko Solar JKM620N-66HL4M-BDV

Q: Which panel is better: Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) or Jinko Solar JKM620N-66HL4M-BDV?

According to our database: Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) has higher module efficiency (23.66% vs 22.95%). 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 JKM620N-66HL4M-BDV?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) has a module efficiency of 23.66%, while Jinko Solar JKM620N-66HL4M-BDV is 22.95%. 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 JKM620N-66HL4M-BDV?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) uses TOPCon cells; Jinko Solar JKM620N-66HL4M-BDV uses N-type. 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 JKM620N-66HL4M-BDV?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) has a 30 years power warranty; Jinko Solar JKM620N-66HL4M-BDV 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 JKM620N-66HL4M-BDV bifacial panels?

Both Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) and Jinko Solar JKM620N-66HL4M-BDV 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

JKM620N-66HL4M-BDV

620 Wp 22.95 % N-type 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: 0.71 pp more efficient. 10 of 19 comparable parameters are identical.

See all 9 differences

How alike are they

10 of 19 comparable
parameters are identical

identical differs

What actually differs

9 of 19 parameters

Parameter JKM710-735N-66HL5-BDV-Z3-EU (735W bin) JKM620N-66HL4M-BDV Difference

Module efficiency 23.66 % 22.95 % 0.71 pp more efficient

Rated power 735 Wp 620 Wp 115 W more power

Weight 37.5 kg 32.4 kg 5.1 kg lighter

Power density 236.6 Wp/m² 229.5 Wp/m² 7.1 Wp/m² higher

Short-circuit current 18.88 A 16.08 A 2.80 A apart

Module area 3.106 m² 2.701 m² 0.405 m² apart

Cell technology TOPCon N-type TOPCon vs N-type

Current at max power 17.83 A 15.22 A 2.61 A apart

Dimensions 2384x1303x33 mm 2382x1134x30 mm 2384x1303x33 mm vs 2382x1134x30 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

JKM620N-66HL4M-BDV

20,802 kWh

Lifetime gap

3,859 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) JKM620N-66HL4M-BDV

Standard test conditions 25 °C 100.0% of rated power 735 W 620 W

Cool, bright day 40 °C 95.7% of rated power 703 W 593 W

Typical summer roof 55 °C 91.3% of rated power 671 W 566 W

Hot roof 70 °C 87.0% of rated power 639 W 539 W

Full specification

Parameter JKM710-735N-66HL5-BDV-Z3-EU (735W bin) JKM620N-66HL4M-BDV Difference

Power and efficiency

Rated power 735 Wp 620 Wp +115 W for JKM710-735N-66HL5-BDV-Z3-EU (735W bin)

Module efficiency 23.66 % 22.95 % +0.71 pp for JKM710-735N-66HL5-BDV-Z3-EU (735W bin)

Power density 236.6 Wp/m² 229.5 Wp/m² +7.1 Wp/m² for JKM710-735N-66HL5-BDV-Z3-EU (735W bin)

Open-circuit voltage 49.52 V 49.08 V Effectively the same

Voltage at max power 41.23 V 40.74 V Effectively the same

Short-circuit current 18.88 A 16.08 A 2.80 A apart

Current at max power 17.83 A 15.22 A 2.61 A apart

Temperature

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

Mechanical

Dimensions 2384x1303x33 mm 2382x1134x30 mm 2384x1303x33 mm vs 2382x1134x30 mm

Module area 3.106 m² 2.701 m² 0.405 m² apart

Weight 37.5 kg 32.4 kg -5.1 kg for JKM620N-66HL4M-BDV

Weight per kWp 51.0 kg/kWp 52.3 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 TOPCon N-type TOPCon vs N-type

Cell type Monocrystalline Monocrystalline Same

Cell count 132 132 Same

Bifacial Yes Yes Same

Against the whole database

14,005 panels

Efficiency

#602 vs #2,268

JKM710-735N-66HL5-BDV-Z3-EU (735W bin) leads by 1,666 places

Power density

#582 vs #2,191

JKM710-735N-66HL5-BDV-Z3-EU (735W bin) leads by 1,609 places

Heat behaviour

#2,165 vs #2,165

Tied - the same position in the database

Weight

#4,360 vs #5,719

JKM710-735N-66HL5-BDV-Z3-EU (735W bin) leads by 1,359 places

Warranty

#21 vs #21

Tied - the same position in the database

Overall

#239 vs #2,572

JKM710-735N-66HL5-BDV-Z3-EU (735W bin) leads by 2,333 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 JKM620N-66HL4M-BDV?

According to our database: Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) has higher module efficiency (23.66% vs 22.95%). 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 JKM620N-66HL4M-BDV?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) has a module efficiency of 23.66%, while Jinko Solar JKM620N-66HL4M-BDV is 22.95%. 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 JKM620N-66HL4M-BDV?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) uses TOPCon cells; Jinko Solar JKM620N-66HL4M-BDV 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 Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) and Jinko Solar JKM620N-66HL4M-BDV?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) has a 30 years power warranty; Jinko Solar JKM620N-66HL4M-BDV 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 JKM620N-66HL4M-BDV bifacial panels?

Both Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) and Jinko Solar JKM620N-66HL4M-BDV 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 174 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.