Jinko Solar JKM635N-78HL4-BDV-F9-EU vs Jinko Solar JKM630N-78HL4-BDV-F9-EU
VS
The verdict
Identical on every published parameter
All 19 comparable parameters agree. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from.
How alike are they
19
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
0 of 19 parameters
What actually differs
Every comparable parameter agrees. The full specification is below.
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.
JKM635N-78HL4-BDV-F9-EU
21,306 kWh
JKM630N-78HL4-BDV-F9-EU
21,138 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
JKM635N-78HL4-BDV-F9-EU
JKM630N-78HL4-BDV-F9-EU
Standard test conditions
25 °C
100.0% of rated power
635 W
630 W
Cool, bright day
40 °C
95.7% of rated power
607 W
603 W
Typical summer roof
55 °C
91.3% of rated power
580 W
575 W
Hot roof
70 °C
87.0% of rated power
552 W
548 W
03
Full specification
Parameter
JKM635N-78HL4-BDV-F9-EU
JKM630N-78HL4-BDV-F9-EU
Difference
Power and efficiency
Rated power
635 Wp
630 Wp
Effectively the same
Module efficiency
22.72 %
22.54 %
Effectively the same
Power density
227.2 Wp/m²
225.4 Wp/m²
Effectively the same
Open-circuit voltage
57.21 V
57.08 V
Effectively the same
Voltage at max power
47.86 V
47.70 V
Effectively the same
Short-circuit current
13.92 A
13.86 A
Effectively the same
Current at max power
13.27 A
13.21 A
Effectively the same
Temperature
Temperature coefficient
-0.290 %/°C
-0.290 %/°C
Same
Mechanical
Dimensions
2465x1134x30 mm
2465x1134x30 mm
Same
Module area
2.795 m²
2.795 m²
Same
Weight
34.0 kg
34.0 kg
Same
Weight per kWp
53.5 kg/kWp
54.0 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
TOPCon
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
156
156
Same
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#3,245
vs
#3,920
JKM635N-78HL4-BDV-F9-EU leads by 675 places
Power density
#3,252
vs
#3,907
JKM635N-78HL4-BDV-F9-EU leads by 655 places
Heat behaviour
#2,165
vs
#2,165
Tied - the same position in the database
Weight
#7,535
vs
#8,163
JKM635N-78HL4-BDV-F9-EU leads by 628 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#2,340
vs
#2,684
JKM635N-78HL4-BDV-F9-EU leads by 344 places
05
Open the full database
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06
Written summary
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07
Questions about this pairing
Which panel is better: Jinko Solar JKM635N-78HL4-BDV-F9-EU or Jinko Solar JKM630N-78HL4-BDV-F9-EU?
According to our database: Jinko Solar JKM635N-78HL4-BDV-F9-EU has higher module efficiency (22.72% vs 22.54%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM635N-78HL4-BDV-F9-EU and Jinko Solar JKM630N-78HL4-BDV-F9-EU?
Jinko Solar JKM635N-78HL4-BDV-F9-EU has a module efficiency of 22.72%, while Jinko Solar JKM630N-78HL4-BDV-F9-EU is 22.54%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM635N-78HL4-BDV-F9-EU use vs Jinko Solar JKM630N-78HL4-BDV-F9-EU?
Jinko Solar JKM635N-78HL4-BDV-F9-EU uses TOPCon cells; Jinko Solar JKM630N-78HL4-BDV-F9-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 JKM635N-78HL4-BDV-F9-EU and Jinko Solar JKM630N-78HL4-BDV-F9-EU?
Jinko Solar JKM635N-78HL4-BDV-F9-EU has a 30 years power warranty; Jinko Solar JKM630N-78HL4-BDV-F9-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 JKM635N-78HL4-BDV-F9-EU and Jinko Solar JKM630N-78HL4-BDV-F9-EU bifacial panels?
Both Jinko Solar JKM635N-78HL4-BDV-F9-EU and Jinko Solar JKM630N-78HL4-BDV-F9-EU are bifacial - they capture reflected light from the ground, which can add 5-15% more annual energy on ground-mount or elevated rooftop installations with a light surface beneath.
Shop prices: See 170 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.