---
title: "Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) vs Jinko Solar JKM735N-66HL5-BDV-Z3-EU - Solar Panel Comparison | ComparePV"
description: "Compare Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) vs Jinko Solar JKM735N-66HL5-BDV-Z3-EU side by side: what actually differs, output when it is hot, thirty-year production, and the full specification."
source: "https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-620w-bin/jinko-solar-jkm735n-66hl5-bdv-z3-eu"
updated: 2026-09-11
---

# Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) vs Jinko Solar JKM735N-66HL5-BDV-Z3-EU

JKM735N-66HL5-BDV-Z3-EU leads on the differences that matter

The largest is module efficiency: 0.71 pp more efficient. 9 of 19 comparable parameters are identical.


## The two panels


| Attribute | A | B |
| --- | --- | --- |
| Panel | [Jinko Solar JKM610-635N-66HL4M-(V) (620W bin)](https://comparepv.com/panel/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-620w-bin) | [Jinko Solar JKM735N-66HL5-BDV-Z3-EU](https://comparepv.com/panel/jinko-solar-jkm735n-66hl5-bdv-z3-eu) |
| Manufacturer | Jinko Solar | Jinko Solar |
| Power | 620 Wp | 735 Wp |
| Efficiency | 22.95 % | 23.66 % |
| Technology | TOPCon | TOPCon |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | JKM610-635N-66HL4M-(V) (620W bin) | JKM735N-66HL5-BDV-Z3-EU | Difference |
| --- | --- | --- | --- |
| Module efficiency | 22.95 % | 23.66 % | +0.71 pp for JKM735N-66HL5-BDV-Z3-EU |
| Rated power | 620 Wp | 735 Wp | +115 W for JKM735N-66HL5-BDV-Z3-EU |
| Weight | 28.2 kg | 37.5 kg | -9.3 kg for JKM610-635N-66HL4M-(V) (620W bin) |
| Power density | 229.5 Wp/m² | 236.6 Wp/m² | +7.1 Wp/m² for JKM735N-66HL5-BDV-Z3-EU |
| Weight per kWp | 45.5 kg/kWp | 51.0 kg/kWp | -5.5 kg/kWp for JKM610-635N-66HL4M-(V) (620W bin) |
| 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 |


## Every compared parameter


| Parameter | JKM610-635N-66HL4M-(V) (620W bin) | JKM735N-66HL5-BDV-Z3-EU |
| --- | --- | --- |
| Rated power | 620 Wp | 735 Wp |
| Module efficiency | 22.95 % | 23.66 % |
| Power density | 229.5 Wp/m² | 236.6 Wp/m² |
| Open-circuit voltage | 48.95 V | 49.52 V |
| Voltage at max power | 40.90 V | 41.23 V |
| Short-circuit current | 16.15 A | 18.88 A |
| Current at max power | 15.16 A | 17.83 A |
| Temperature coefficient | -0.290 %/°C | -0.290 %/°C |
| Dimensions | 2382x1134x35 mm | 2384x1303x33 mm |
| Module area | 2.701 m² | 3.106 m² |
| Weight | 28.2 kg | 37.5 kg |
| Weight per kWp | 45.5 kg/kWp | 51.0 kg/kWp |
| Product warranty | 12 yrs | 12 yrs |
| Performance warranty | 30 yrs | 30 yrs |
| Annual degradation | 0.40 %/yr | 0.40 %/yr |
| Cell technology | TOPCon | TOPCon |
| Cell type | Monocrystalline | Monocrystalline |
| Cell count | 132 | 132 |
| Bifacial | No | Yes |


## Thirty-year yield

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

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.

- **Cumulative output, JKM610-635N-66HL4M-(V) (620W bin):** 20,802 kWh
- **Cumulative output, JKM735N-66HL5-BDV-Z3-EU:** 24,661 kWh
- **Gap:** 3,859 kWh


## Output when hot


| Condition | Cell temperature | JKM610-635N-66HL4M-(V) (620W bin) | JKM735N-66HL5-BDV-Z3-EU | Retained |
| --- | --- | --- | --- | --- |
| Standard test conditions | 25 °C | 620 W | 735 W | 100.0% of rated power |
| Cool, bright day | 40 °C | 593 W | 703 W | 95.7% of rated power |
| Typical summer roof | 55 °C | 566 W | 671 W | 91.3% of rated power |
| Hot roof | 70 °C | 539 W | 639 W | 87.0% of rated power |


## Against the whole database


| Measure | JKM610-635N-66HL4M-(V) (620W bin) | JKM735N-66HL5-BDV-Z3-EU | Out of | Note |
| --- | --- | --- | --- | --- |
| Efficiency | #2,268 | #602 | 14,005 | JKM735N-66HL5-BDV-Z3-EU leads by 1,666 places |
| Power density | #2,191 | #582 | 14,005 | JKM735N-66HL5-BDV-Z3-EU leads by 1,609 places |
| Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database |
| Weight | #749 | #4,360 | 14,005 | JKM610-635N-66HL4M-(V) (620W bin) leads by 3,611 places |
| Warranty | #21 | #21 | 14,005 | Tied - the same position in the database |
| Overall | #2,491 | #239 | 14,005 | JKM735N-66HL5-BDV-Z3-EU leads by 2,252 places |


## Questions


### Which panel is better: Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) or Jinko Solar JKM735N-66HL5-BDV-Z3-EU?

According to our database: **Jinko Solar JKM735N-66HL5-BDV-Z3-EU** 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 JKM735N-66HL5-BDV-Z3-EU?

**Jinko Solar JKM610-635N-66HL4M-(V) (**620 W** bin)** has a module efficiency of **22.95%**, while **Jinko Solar JKM735N-66HL5-BDV-Z3-EU** 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 JKM735N-66HL5-BDV-Z3-EU?

**Jinko Solar JKM610-635N-66HL4M-(V) (**620 W** bin)** uses **TOPCon** cells; **Jinko Solar JKM735N-66HL5-BDV-Z3-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 JKM610-635N-66HL4M-(V) (620W bin) and Jinko Solar JKM735N-66HL5-BDV-Z3-EU?

**Jinko Solar JKM610-635N-66HL4M-(V) (**620 W** bin)** has a **30 years** power warranty; **Jinko Solar JKM735N-66HL5-BDV-Z3-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 JKM610-635N-66HL4M-(V) (620W bin) and Jinko Solar JKM735N-66HL5-BDV-Z3-EU bifacial panels?

**Jinko Solar JKM735N-66HL5-BDV-Z3-EU** 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.


## Related comparisons

- [Jinko Solar JKM610-635N-66HL4M-(V) (620W bin) vs Jinko Solar JKM610-635N-66HL4M-(V) (635W bin)](https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-620w-bin/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-635w-bin) - 3 differences, the largest is module efficiency
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- [Jinko Solar JKM735N-66HL5-BDV-Z3-EU vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)](https://comparepv.com/compare/jinko-solar-jkm735n-66hl5-bdv-z3-eu/jinkosolar-jkm710-735n-66hl5-bdv-z3-eu-735w-bin) - The same specification on paper


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Source: https://comparepv.com/compare/jinko-solar-co-ltd-jkm610-635n-66hl4m-v-620w-bin/jinko-solar-jkm735n-66hl5-bdv-z3-eu

Not in this file, on the page: the thirty-year yield curve year by year at a cell temperature you pick and a written summary generated on request.