JKM610-635N-66HL4M-(V) (620W bin) vs JKM710-735N-66HL5-BDV-Z3-EU (735W bin) 9 of 19 identical Swap Change panels

Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)

Q: Which panel is better: Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) or Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)?

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 JKM610-635N-66HL4M-(V) (620W bin) and Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)?

Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) has a module efficiency of 22.95%, while Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) is 23.66%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) use vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)?

Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) uses TOPCon cells; Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) 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 JKM610-635N-66HL4M-(V) (620W bin) and Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)?

Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) has a 30 years power warranty; Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) 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 JKM610-635N-66HL4M-(V) (620W bin) and Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) bifacial panels?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) is bifacial (captures light from both faces); Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.

JKM610-635N-66HL4M-(V) (620W bin)

620 Wp 22.95 % TOPCon

Open panel page Datasheet PDF

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

735 Wp 23.66 % 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: 0.71 pp more efficient. 9 of 19 comparable parameters are identical.

See all 10 differences

How alike are they

9 of 19 comparable
parameters are identical

identical differs

What actually differs

10 of 19 parameters

Parameter JKM610-635N-66HL4M-(V) (620W bin) JKM710-735N-66HL5-BDV-Z3-EU (735W bin) Difference

Module efficiency 22.95 % 23.66 % 0.71 pp more efficient

Rated power 620 Wp 735 Wp 115 W more power

Weight 28.2 kg 37.5 kg 9.3 kg lighter

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

Weight per kWp 45.5 kg/kWp 51.0 kg/kWp 5.5 kg/kWp lighter

Short-circuit current 16.15 A 18.88 A 2.73 A apart

Module area 2.701 m² 3.106 m² 0.405 m² apart

Current at max power 15.16 A 17.83 A 2.67 A apart

Bifacial No Yes No vs Yes

Dimensions 2382x1134x35 mm 2384x1303x33 mm 2382x1134x35 mm vs 2384x1303x33 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.

JKM610-635N-66HL4M-(V) (620W bin)

20,802 kWh

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

24,661 kWh

Lifetime gap

3,859 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario JKM610-635N-66HL4M-(V) (620W bin) JKM710-735N-66HL5-BDV-Z3-EU (735W bin)

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

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

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

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

Full specification

Parameter JKM610-635N-66HL4M-(V) (620W bin) JKM710-735N-66HL5-BDV-Z3-EU (735W bin) Difference

Power and efficiency

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

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

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

Open-circuit voltage 48.95 V 49.52 V Effectively the same

Voltage at max power 40.90 V 41.23 V Effectively the same

Short-circuit current 16.15 A 18.88 A 2.73 A apart

Current at max power 15.16 A 17.83 A 2.67 A apart

Temperature

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

Mechanical

Dimensions 2382x1134x35 mm 2384x1303x33 mm 2382x1134x35 mm vs 2384x1303x33 mm

Module area 2.701 m² 3.106 m² 0.405 m² apart

Weight 28.2 kg 37.5 kg -9.3 kg for JKM610-635N-66HL4M-(V) (620W bin)

Weight per kWp 45.5 kg/kWp 51.0 kg/kWp -5.5 kg/kWp for JKM610-635N-66HL4M-(V) (620W 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 132 132 Same

Bifacial No Yes No vs Yes

Against the whole database

14,005 panels

Efficiency

#2,268 vs #602

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

Power density

#2,191 vs #582

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

#749 vs #4,360

JKM610-635N-66HL4M-(V) (620W bin) leads by 3,611 places

Warranty

#21 vs #21

Tied - the same position in the database

Overall

#2,491 vs #239

JKM710-735N-66HL5-BDV-Z3-EU (735W bin) leads by 2,252 places

More useful comparisons

Open the full database

Same series, other bin

Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (635W bin)

3 differences, the largest is module efficiency

Same series, other bin

Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (630W bin)

3 differences, the largest is module efficiency

Same series, other bin

Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (625W bin)

The same specification on paper

Same series, other bin

Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (615W bin)

The same specification on paper

Same series, other bin

Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (610W bin)

3 differences, the largest is module efficiency

Same series, other bin

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) vs Jinko Solar JKM735N-66HL5-BDV-Z3-EU

The same specification on paper

Written summary

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Questions about this pairing

Which panel is better: Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) or Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)?

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 JKM610-635N-66HL4M-(V) (620W bin) and Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)?

Jinko Solar JKM610-635N-66HL4M-(V) (620 W bin) has a module efficiency of 22.95%, while Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) is 23.66%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

What cell technology does Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) use vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)?

Jinko Solar JKM610-635N-66HL4M-(V) (620 W bin) uses TOPCon cells; Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) 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 JKM610-635N-66HL4M-(V) (620W bin) and Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)?

Jinko Solar JKM610-635N-66HL4M-(V) (620 W bin) has a 30 years power warranty; Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) 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 JKM610-635N-66HL4M-(V) (620W bin) and Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin) bifacial panels?

Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735 W bin) is bifacial (captures light from both faces); Jinko Solar JKM610-635N-66HL4M-(V) (620 W bin) is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.

Shop prices: See 176 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.