Jinko Solar JKM670N-66QL6-BDX vs Jinko Solar JKM650-670N-66QL6-BDV-F2-EU (665W)
VS
The verdict
JKM650-670N-66QL6-BDV-F2-EU (665W) leads on the differences that matter
The largest is weight: 6.3 kg lighter. 16 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.
See all 2 differencesHow alike are they
16
of 18 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
2 of 18 parameters
What actually differs
Parameter
JKM670N-66QL6-BDX
JKM650-670N-66QL6-BDV-F2-EU (665W)
Difference
Weight
38.8 kg
32.5 kg
6.3 kg lighter
Weight per kWp
57.9 kg/kWp
48.9 kg/kWp
9.0 kg/kWp lighter
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 (-0.260 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
JKM670N-66QL6-BDX
22,655 kWh
JKM650-670N-66QL6-BDV-F2-EU (665W)
22,486 kWh
Lifetime gap
169 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
JKM670N-66QL6-BDX
JKM650-670N-66QL6-BDV-F2-EU (665W)
Standard test conditions
25 °C
100.0% of rated power
670 W
665 W
Cool, bright day
40 °C
96.1% of rated power
644 W
639 W
Typical summer roof
55 °C
92.2% of rated power
618 W
613 W
Hot roof
70 °C
88.3% of rated power
592 W
587 W
03
Full specification
Parameter
JKM670N-66QL6-BDX
JKM650-670N-66QL6-BDV-F2-EU (665W)
Difference
Power and efficiency
Rated power
670 Wp
665 Wp
Effectively the same
Module efficiency
24.80 %
24.62 %
Effectively the same
Power density
248.0 Wp/m²
246.2 Wp/m²
Effectively the same
Open-circuit voltage
50.60 V
50.80 V
Effectively the same
Voltage at max power
42.92 V
42.96 V
Effectively the same
Short-circuit current
16.34 A
16.16 A
Effectively the same
Current at max power
15.61 A
15.48 A
Effectively the same
Temperature
Temperature coefficient
-0.260 %/°C
-0.260 %/°C
Same
Mechanical
Dimensions
2382x1134x30 mm
2382x1134x30 mm
Same
Module area
2.701 m²
2.701 m²
Same
Weight
38.8 kg
32.5 kg
-6.3 kg for JKM650-670N-66QL6-BDV-F2-EU (665W)
Weight per kWp
57.9 kg/kWp
48.9 kg/kWp
-9.0 kg/kWp for JKM650-670N-66QL6-BDV-F2-EU (665W)
Warranty and degradation
Product warranty
12 yrs
12 yrs
Same
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.35 %/yr
0.35 %/yr
Same
Technology
Cell technology
TOPCon
TOPCon
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
264
-
Not published by Jinko Solar
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#12
vs
#42
JKM670N-66QL6-BDX leads by 30 places
Power density
#14
vs
#42
JKM670N-66QL6-BDX leads by 28 places
Heat behaviour
#511
vs
#511
Tied - the same position in the database
Weight
#11,487
vs
#2,555
JKM650-670N-66QL6-BDV-F2-EU (665W) leads by 8,932 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#514
vs
#634
JKM670N-66QL6-BDX leads by 120 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 JKM670N-66QL6-BDX or Jinko Solar JKM650-670N-66QL6-BDV-F2-EU (665W)?
According to our database: Jinko Solar JKM670N-66QL6-BDX has higher module efficiency (24.80% vs 24.62%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jinko Solar JKM670N-66QL6-BDX and Jinko Solar JKM650-670N-66QL6-BDV-F2-EU (665W)?
Jinko Solar JKM670N-66QL6-BDX has a module efficiency of 24.80%, while Jinko Solar JKM650-670N-66QL6-BDV-F2-EU (665 W) is 24.62%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jinko Solar JKM670N-66QL6-BDX use vs Jinko Solar JKM650-670N-66QL6-BDV-F2-EU (665W)?
Jinko Solar JKM670N-66QL6-BDX uses TOPCon cells; Jinko Solar JKM650-670N-66QL6-BDV-F2-EU (665 W) 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 JKM670N-66QL6-BDX and Jinko Solar JKM650-670N-66QL6-BDV-F2-EU (665W)?
Jinko Solar JKM670N-66QL6-BDX has a 30 years power warranty; Jinko Solar JKM650-670N-66QL6-BDV-F2-EU (665 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.
Are Jinko Solar JKM670N-66QL6-BDX and Jinko Solar JKM650-670N-66QL6-BDV-F2-EU (665W) bifacial panels?
Both Jinko Solar JKM670N-66QL6-BDX and Jinko Solar JKM650-670N-66QL6-BDV-F2-EU (665 W) 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 172 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.