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455W vs 440W 16 of 19 identical Swap Change panels

Jinko Solar JKM435-460N-54HL4R-(V) 455W vs Jinko Solar JKM435-460N-54HL4R-(V) 440W

Jinko Solar JKM435-460N-54HL4R-(V) 455W
JKM435-460N-54HL4R-(V) 455W
455 Wp 22.77 % N-type
Open panel page Datasheet PDF
VS
Jinko Solar JKM435-460N-54HL4R-(V) 440W
JKM435-460N-54HL4R-(V) 440W
440 Wp 22.02 % N-type
Open panel page Datasheet PDF
The verdict

455W leads on the differences that matter

The largest is module efficiency: 0.75 pp more efficient. 16 of 19 comparable parameters are identical.

See all 3 differences
How alike are they
16 of 19 comparable
parameters are identical
identical differs
01

What actually differs

3 of 19 parameters
Parameter 455W 440W Difference
Module efficiency 22.77 % 22.02 % 0.75 pp more efficient
Power density 227.7 Wp/m² 220.2 Wp/m² 7.5 Wp/m² higher
Rated power 455 Wp 440 Wp 15 W more power
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.
455W
15,266 kWh
440W
14,763 kWh
Lifetime gap
503 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 455W 440W
Standard test conditions 25 °C 100.0% of rated power 455 W 440 W
Cool, bright day 40 °C 95.7% of rated power 435 W 421 W
Typical summer roof 55 °C 91.3% of rated power 415 W 402 W
Hot roof 70 °C 87.0% of rated power 396 W 383 W
03

Full specification

Parameter 455W 440W Difference
Power and efficiency
Rated power 455 Wp 440 Wp +15 W for 455W
Module efficiency 22.77 % 22.02 % +0.75 pp for 455W
Power density 227.7 Wp/m² 220.2 Wp/m² +7.5 Wp/m² for 455W
Open-circuit voltage 39.98 V 39.38 V Effectively the same
Voltage at max power 33.41 V 32.81 V Effectively the same
Short-circuit current 14.07 A 13.86 A Effectively the same
Current at max power 13.62 A 13.41 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1762x1134x30 mm 1762x1134x30 mm Same
Module area 1.998 m² 1.998 m² Same
Weight 21.0 kg 21.0 kg Same
Weight per kWp 46.2 kg/kWp 47.7 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology N-type N-type Same
Cell type Monocrystalline Monocrystalline Same
Cell count 108 108 Same
Bifacial No No Same
04

Against the whole database

14,129 panels
Efficiency
#3,129 vs #6,392
455W leads by 3,263 places
Power density
#2,943 vs #6,391
455W leads by 3,448 places
Heat behaviour
#2,220 vs #2,220
Tied - the same position in the database
Weight
#1,016 vs #1,830
455W leads by 814 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#7,832 vs #9,251
455W leads by 1,419 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JKM435-460N-54HL4R-(V) 455W vs Jinko Solar JKM435-460N-54HL4R-(V) 460W
One difference: module efficiency
Same series, other bin
Jinko Solar JKM435-460N-54HL4R-(V) 455W vs Jinko Solar JKM435-460N-54HL4R-(V) 450W
One difference: module efficiency
Same series, other bin
Jinko Solar JKM435-460N-54HL4R-(V) 455W vs Jinko Solar JKM435-460N-54HL4R-(V) 445W
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM435-460N-54HL4R-(V) 455W vs Jinko Solar JKM435-460N-54HL4R-(V) 435W
4 differences, the largest is module efficiency
Same manufacturer
Jinko Solar JKM435-460N-54HL4R-(V) 455W vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)
15 differences, the largest is module efficiency
Same manufacturer
Jinko Solar JKM435-460N-54HL4R-(V) 455W vs Jinko Solar JKM735N-66HL5-BDV-Z3-EU
15 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JKM435-460N-54HL4R-(V) 455W or Jinko Solar JKM435-460N-54HL4R-(V) 440W?
According to our database: Jinko Solar JKM435-460N-54HL4R-(V) 455 W has higher module efficiency (22.77% vs 22.02%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM435-460N-54HL4R-(V) 455W and Jinko Solar JKM435-460N-54HL4R-(V) 440W?
Jinko Solar JKM435-460N-54HL4R-(V) 455 W has a module efficiency of 22.77%, while Jinko Solar JKM435-460N-54HL4R-(V) 440 W is 22.02%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM435-460N-54HL4R-(V) 455W use vs Jinko Solar JKM435-460N-54HL4R-(V) 440W?
Jinko Solar JKM435-460N-54HL4R-(V) 455 W uses N-type cells; Jinko Solar JKM435-460N-54HL4R-(V) 440 W 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 JKM435-460N-54HL4R-(V) 455W and Jinko Solar JKM435-460N-54HL4R-(V) 440W?
Jinko Solar JKM435-460N-54HL4R-(V) 455 W has a 30 years power warranty; Jinko Solar JKM435-460N-54HL4R-(V) 440 W 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 143 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.