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JKM590N-72HL4-(V) vs JKM615-635N-78HL4-(V)-F6-EN (635W variant) 11 of 19 identical Swap Change panels

Jinko Solar JKM590N-72HL4-(V) vs Jinko Solar JKM615-635N-78HL4-(V)-F6-EN (635W variant)

Jinko Solar JKM590N-72HL4-(V)
JKM590N-72HL4-(V)
590 Wp 22.84 % TOPCon
Open panel page Datasheet PDF
VS
JKM615-635N-78HL4-(V)-F6-EN (635W variant)
635 Wp 22.72 % N-type
Open panel page Datasheet PDF
The verdict

JKM615-635N-78HL4-(V)-F6-EN (635W variant) leads on the differences that matter

The largest is rated power: 45 W more power. 11 of 19 comparable parameters are identical.

See all 8 differences
How alike are they
11 of 19 comparable
parameters are identical
identical differs
01

What actually differs

8 of 19 parameters
Parameter JKM590N-72HL4-(V) JKM615-635N-78HL4-(V)-F6-EN (635W variant) Difference
Rated power 590 Wp 635 Wp 45 W more power
Open-circuit voltage 52.63 V 56.85 V 4.22 V apart
Module area 2.583 m² 2.795 m² 0.212 m² apart
Weight 27.0 kg 29.5 kg 2.5 kg lighter
Cell technology TOPCon N-type TOPCon vs N-type
Cell count 144 156 12 cells apart
Voltage at max power 43.71 V 47.46 V 3.75 V apart
Dimensions 2278x1134x30 mm 2465x1134x35 mm 2278x1134x30 mm vs 2465x1134x35 mm
02

What it means on a roof

Thirty years of production
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.
JKM590N-72HL4-(V)
19,796 kWh
JKM615-635N-78HL4-(V)-F6-EN (635W variant)
21,306 kWh
Lifetime gap
1,510 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario JKM590N-72HL4-(V) JKM615-635N-78HL4-(V)-F6-EN (635W variant)
Standard test conditions 25 °C 100.0% of rated power 590 W 635 W
Cool, bright day 40 °C 95.7% of rated power 564 W 607 W
Typical summer roof 55 °C 91.3% of rated power 539 W 580 W
Hot roof 70 °C 87.0% of rated power 513 W 552 W
03

Full specification

Parameter JKM590N-72HL4-(V) JKM615-635N-78HL4-(V)-F6-EN (635W variant) Difference
Power and efficiency
Rated power 590 Wp 635 Wp +45 W for JKM615-635N-78HL4-(V)-F6-EN (635W variant)
Module efficiency 22.84 % 22.72 % Effectively the same
Power density 228.4 Wp/m² 227.2 Wp/m² Effectively the same
Open-circuit voltage 52.63 V 56.85 V 4.22 V apart
Voltage at max power 43.71 V 47.46 V 3.75 V apart
Short-circuit current 14.13 A 14.04 A Effectively the same
Current at max power 13.50 A 13.38 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 2278x1134x30 mm 2465x1134x35 mm 2278x1134x30 mm vs 2465x1134x35 mm
Module area 2.583 m² 2.795 m² 0.212 m² apart
Weight 27.0 kg 29.5 kg -2.5 kg for JKM590N-72HL4-(V)
Weight per kWp 45.8 kg/kWp 46.5 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 144 156 12 cells apart
Bifacial No No Same
04

Against the whole database

14,129 panels
Efficiency
#2,672 vs #3,302
JKM590N-72HL4-(V) leads by 630 places
Power density
#2,653 vs #3,309
JKM590N-72HL4-(V) leads by 656 places
Heat behaviour
#2,220 vs #2,220
Tied - the same position in the database
Weight
#872 vs #1,173
JKM590N-72HL4-(V) leads by 301 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#3,665 vs #2,276
JKM615-635N-78HL4-(V)-F6-EN (635W variant) leads by 1,389 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JKM590N-72HL4-(V) vs Jinko Solar JKM615-635N-78HL4-(V)-F6-EN (630W variant)
10 differences, the largest is rated power
Same series, other bin
Jinko Solar JKM590N-72HL4-(V) vs Jinko Solar JKM615-635N-78HL4-(V)-F6-EN (625W variant)
10 differences, the largest is rated power
Same series, other bin
Jinko Solar JKM590N-72HL4-(V) vs Jinko Solar JKM615-635N-78HL4-(V)-F6-EN (620W variant)
10 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM590N-72HL4-(V) vs Jinko Solar JKM615-635N-78HL4-(V)-F6-EN (615W variant)
11 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM590N-72HL4-(V) vs Jinko Solar JKM605N-72HL4-(V)
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM590N-72HL4-(V) vs Jinko Solar JKM600N-72HL4-(V)
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JKM590N-72HL4-(V) or Jinko Solar JKM615-635N-78HL4-(V)-F6-EN (635W variant)?
According to our database: Jinko Solar JKM590N-72HL4-(V) has higher module efficiency (22.84% 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 JKM590N-72HL4-(V) and Jinko Solar JKM615-635N-78HL4-(V)-F6-EN (635W variant)?
Jinko Solar JKM590N-72HL4-(V) has a module efficiency of 22.84%, while Jinko Solar JKM615-635N-78HL4-(V)-F6-EN (635 W variant) is 22.72%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM590N-72HL4-(V) use vs Jinko Solar JKM615-635N-78HL4-(V)-F6-EN (635W variant)?
Jinko Solar JKM590N-72HL4-(V) uses TOPCon cells; Jinko Solar JKM615-635N-78HL4-(V)-F6-EN (635 W variant) 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 JKM590N-72HL4-(V) and Jinko Solar JKM615-635N-78HL4-(V)-F6-EN (635W variant)?
Jinko Solar JKM590N-72HL4-(V) has a 30 years power warranty; Jinko Solar JKM615-635N-78HL4-(V)-F6-EN (635 W variant) 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.

Shop prices: See 146 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.