Longi Solar LR7-54HTH-460M vs Longi Solar LR7-54HTH-455M
VS
The verdict
460M leads on the differences that matter
The largest is module efficiency: 0.20 pp more efficient. 18 of 19 comparable parameters are identical.
See the one differenceHow alike are they
18
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
1 of 19 parameters
What actually differs
Parameter
460M
455M
Difference
Module efficiency
22.50 %
22.30 %
0.20 pp more efficient
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 (-0.280 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
460M
15,434 kWh
455M
15,266 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
460M
455M
Standard test conditions
25 °C
100.0% of rated power
460 W
455 W
Cool, bright day
40 °C
95.8% of rated power
441 W
436 W
Typical summer roof
55 °C
91.6% of rated power
421 W
417 W
Hot roof
70 °C
87.4% of rated power
402 W
398 W
03
Full specification
Parameter
460M
455M
Difference
Power and efficiency
Rated power
460 Wp
455 Wp
Effectively the same
Module efficiency
22.50 %
22.30 %
+0.20 pp for 460M
Power density
225.4 Wp/m²
222.9 Wp/m²
Effectively the same
Open-circuit voltage
39.35 V
39.15 V
Effectively the same
Voltage at max power
33.19 V
32.98 V
Effectively the same
Short-circuit current
14.86 A
14.79 A
Effectively the same
Current at max power
13.86 A
13.80 A
Effectively the same
Temperature
Temperature coefficient
-0.280 %/°C
-0.280 %/°C
Same
Mechanical
Dimensions
1800x1134x30 mm
1800x1134x30 mm
Same
Module area
2.041 m²
2.041 m²
Same
Weight
21.6 kg
21.6 kg
Same
Weight per kWp
47.0 kg/kWp
47.5 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
15 yrs
15 yrs
Same
Performance warranty
25 yrs
25 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
14,005 panels
Against the whole database
Efficiency
#4,222
vs
#5,100
460M leads by 878 places
Power density
#3,974
vs
#5,100
460M leads by 1,126 places
Heat behaviour
#1,309
vs
#1,309
Tied - the same position in the database
Weight
#1,421
vs
#1,700
460M leads by 279 places
Warranty
#9,798
vs
#9,798
Tied - the same position in the database
Overall
#9,052
vs
#9,419
460M leads by 367 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: Longi Solar LR7-54HTH-460M or Longi Solar LR7-54HTH-455M?
According to our database: Longi Solar LR7-54HTH-460M has higher module efficiency (22.50% vs 22.30%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Longi Solar LR7-54HTH-460M and Longi Solar LR7-54HTH-455M?
Longi Solar LR7-54HTH-460M has a module efficiency of 22.50%, while Longi Solar LR7-54HTH-455M is 22.30%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Longi Solar LR7-54HTH-460M use vs Longi Solar LR7-54HTH-455M?
Longi Solar LR7-54HTH-460M uses N-type cells; Longi Solar LR7-54HTH-455M 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 Longi Solar LR7-54HTH-460M and Longi Solar LR7-54HTH-455M?
Longi Solar LR7-54HTH-460M has a 25 years power warranty; Longi Solar LR7-54HTH-455M has a 25 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 145 Longi 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.