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(460W class) vs (450W class) 16 of 19 identical Swap Change panels

Jinko Solar JKM450-475N-48HL4M-DV (460W class) vs Jinko Solar JKM450-475N-48HL4M-DV (450W class)

JKM450-475N-48HL4M-DV (460W class)
460 Wp 23.02 % TOPCon
Open panel page Datasheet PDF
VS
JKM450-475N-48HL4M-DV (450W class)
450 Wp 22.52 % TOPCon
Open panel page Datasheet PDF
The verdict

(460W class) leads on the differences that matter

The largest is module efficiency: 0.50 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 (460W class) (450W class) Difference
Module efficiency 23.02 % 22.52 % 0.50 pp more efficient
Power density 230.2 Wp/m² 225.2 Wp/m² 5.0 Wp/m² higher
Rated power 460 Wp 450 Wp 10 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.
(460W class)
15,434 kWh
(450W class)
15,098 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario (460W class) (450W class)
Standard test conditions 25 °C 100.0% of rated power 460 W 450 W
Cool, bright day 40 °C 95.7% of rated power 440 W 430 W
Typical summer roof 55 °C 91.3% of rated power 420 W 411 W
Hot roof 70 °C 87.0% of rated power 400 W 391 W
03

Full specification

Parameter (460W class) (450W class) Difference
Power and efficiency
Rated power 460 Wp 450 Wp +10 W for (460W class)
Module efficiency 23.02 % 22.52 % +0.50 pp for (460W class)
Power density 230.2 Wp/m² 225.2 Wp/m² +5.0 Wp/m² for (460W class)
Open-circuit voltage 36.38 V 36.04 V Effectively the same
Voltage at max power 30.71 V 30.25 V Effectively the same
Short-circuit current 15.91 A 15.81 A Effectively the same
Current at max power 14.98 A 14.88 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 24.0 kg 24.0 kg Same
Weight per kWp 52.2 kg/kWp 53.3 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 TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 96 96 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#1,797 vs #4,108
(460W class) leads by 2,311 places
Power density
#1,876 vs #4,225
(460W class) leads by 2,349 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#5,637 vs #7,178
(460W class) leads by 1,541 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#7,424 vs #8,449
(460W class) leads by 1,025 places
05

More useful comparisons

Open the full database
Same series, other bin
Jinko Solar JKM450-475N-48HL4M-DV (460W class) vs Jinko Solar JKM450-475N-48HL4M-DV
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM450-475N-48HL4M-DV (460W class) vs Jinko Solar JKM450-475N-48HL4M-DV (475W class)
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM450-475N-48HL4M-DV (460W class) vs Jinko Solar JKM450-475N-48HL4M-DV (470W class)
3 differences, the largest is module efficiency
Same series, other bin
Jinko Solar JKM450-475N-48HL4M-DV (460W class) vs Jinko Solar JKM450-475N-48HL4M-DV (465W class)
One difference: module efficiency
Same series, other bin
Jinko Solar JKM450-475N-48HL4M-DV (460W class) vs Jinko Solar JKM450-475N-48HL4M-DV (455W class)
One difference: module efficiency
Same manufacturer
Jinko Solar JKM450-475N-48HL4M-DV (460W class) vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)
13 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Jinko Solar JKM450-475N-48HL4M-DV (460W class) or Jinko Solar JKM450-475N-48HL4M-DV (450W class)?
According to our database: Jinko Solar JKM450-475N-48HL4M-DV (460 W class) has higher module efficiency (23.02% vs 22.52%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM450-475N-48HL4M-DV (460W class) and Jinko Solar JKM450-475N-48HL4M-DV (450W class)?
Jinko Solar JKM450-475N-48HL4M-DV (460 W class) has a module efficiency of 23.02%, while Jinko Solar JKM450-475N-48HL4M-DV (450 W class) is 22.52%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM450-475N-48HL4M-DV (460W class) use vs Jinko Solar JKM450-475N-48HL4M-DV (450W class)?
Jinko Solar JKM450-475N-48HL4M-DV (460 W class) uses TOPCon cells; Jinko Solar JKM450-475N-48HL4M-DV (450 W class) 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 JKM450-475N-48HL4M-DV (460W class) and Jinko Solar JKM450-475N-48HL4M-DV (450W class)?
Jinko Solar JKM450-475N-48HL4M-DV (460 W class) has a 30 years power warranty; Jinko Solar JKM450-475N-48HL4M-DV (450 W class) 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.

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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.