Longi Solar LR7-54HTH-460M vs Longi Solar LR7-72HVHF-670M
VS
The verdict
72HVHF-670M leads on the differences that matter
The largest is module efficiency: 2.30 pp more efficient. 4 of 19 comparable parameters are identical.
See all 15 differencesHow alike are they
4
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
15 of 19 parameters
What actually differs
Parameter
54HTH-460M
72HVHF-670M
Difference
Module efficiency
22.50 %
24.80 %
2.30 pp more efficient
Rated power
460 Wp
670 Wp
210 W more power
Power density
225.4 Wp/m²
248.0 Wp/m²
22.7 Wp/m² higher
Performance warranty
25 yrs
30 yrs
5 yrs longer
Weight
21.6 kg
28.5 kg
6.9 kg lighter
Temperature coefficient
-0.280 %/°C
-0.260 %/°C
0.020 %/°C better in heat
Open-circuit voltage
39.35 V
54.30 V
14.95 V apart
Module area
2.041 m²
2.701 m²
0.660 m² apart
Weight per kWp
47.0 kg/kWp
42.5 kg/kWp
4.4 kg/kWp lighter
Annual degradation
0.40 %/yr
0.35 %/yr
0.05 %/yr slower
Voltage at max power
33.19 V
44.96 V
11.77 V apart
Cell count
108
144
36 cells apart
Short-circuit current
14.86 A
15.60 A
0.74 A apart
Current at max power
13.86 A
14.91 A
1.05 A apart
Dimensions
1800x1134x30 mm
2382x1134x30 mm
1800x1134x30 mm vs 2382x1134x30 mm
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
54HTH-460M
15,434 kWh
72HVHF-670M
22,655 kWh
Lifetime gap
7,221 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
54HTH-460M
72HVHF-670M
Standard test conditions
25 °C
100.0% of rated power
460 W
670 W
Cool, bright day
40 °C
95.8% of rated power
441 W
644 W
Typical summer roof
55 °C
91.6% of rated power
421 W
618 W
Hot roof
70 °C
87.4% of rated power
402 W
592 W
03
Full specification
Parameter
54HTH-460M
72HVHF-670M
Difference
Power and efficiency
Rated power
460 Wp
670 Wp
+210 W for 72HVHF-670M
Module efficiency
22.50 %
24.80 %
+2.30 pp for 72HVHF-670M
Power density
225.4 Wp/m²
248.0 Wp/m²
+22.7 Wp/m² for 72HVHF-670M
Open-circuit voltage
39.35 V
54.30 V
14.95 V apart
Voltage at max power
33.19 V
44.96 V
11.77 V apart
Short-circuit current
14.86 A
15.60 A
0.74 A apart
Current at max power
13.86 A
14.91 A
1.05 A apart
Temperature
Temperature coefficient
-0.280 %/°C
-0.260 %/°C
+0.020 %/°C for 72HVHF-670M
Mechanical
Dimensions
1800x1134x30 mm
2382x1134x30 mm
1800x1134x30 mm vs 2382x1134x30 mm
Module area
2.041 m²
2.701 m²
0.660 m² apart
Weight
21.6 kg
28.5 kg
-6.9 kg for 54HTH-460M
Weight per kWp
47.0 kg/kWp
42.5 kg/kWp
-4.4 kg/kWp for 72HVHF-670M
Warranty and degradation
Product warranty
15 yrs
15 yrs
Same
Performance warranty
25 yrs
30 yrs
+5 yrs for 72HVHF-670M
Annual degradation
0.40 %/yr
0.35 %/yr
-0.05 %/yr for 72HVHF-670M
Technology
Cell technology
N-type
N-type
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
108
144
36 cells apart
Bifacial
No
No
Same
04
14,005 panels
Against the whole database
Efficiency
#4,222
vs
#12
72HVHF-670M leads by 4,210 places
Power density
#3,974
vs
#14
72HVHF-670M leads by 3,960 places
Heat behaviour
#1,309
vs
#511
72HVHF-670M leads by 798 places
Weight
#1,421
vs
#226
72HVHF-670M leads by 1,195 places
Warranty
#9,798
vs
#21
72HVHF-670M leads by 9,777 places
Overall
#9,052
vs
#284
72HVHF-670M leads by 8,768 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 LR7-72HVHF-670M?
According to our database: Longi Solar LR7-72HVHF-670M has higher module efficiency (24.80% vs 22.50%); Longi Solar LR7-72HVHF-670M tolerates heat better (temp coeff -0.260%/°C vs -0.280%/°C). 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 LR7-72HVHF-670M?
Longi Solar LR7-54HTH-460M has a module efficiency of 22.50%, while Longi Solar LR7-72HVHF-670M is 24.80%. 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 LR7-72HVHF-670M?
Longi Solar LR7-54HTH-460M uses N-type cells; Longi Solar LR7-72HVHF-670M 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 LR7-72HVHF-670M?
Longi Solar LR7-54HTH-460M has a 25 years power warranty; Longi Solar LR7-72HVHF-670M 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 174 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.