Bisol BDO 460 vs Bisol BDO 450
VS
The verdict
460 leads on the differences that matter
The largest is module efficiency: 0.50 pp more efficient. 15 of 19 comparable parameters are identical.
See all 4 differencesHow alike are they
15
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
4 of 19 parameters
What actually differs
Parameter
460
450
Difference
Module efficiency
23.00 %
22.50 %
0.50 pp more efficient
Power density
230.2 Wp/m²
225.2 Wp/m²
5.0 Wp/m² higher
Cell technology
TOPCon
PERC
TOPCon vs PERC
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.
460
15,650 kWh
450
15,310 kWh
Lifetime gap
340 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
460
450
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
460
450
Difference
Power and efficiency
Rated power
460 Wp
450 Wp
+10 W for 460
Module efficiency
23.00 %
22.50 %
+0.50 pp for 460
Power density
230.2 Wp/m²
225.2 Wp/m²
+5.0 Wp/m² for 460
Open-circuit voltage
35.90 V
35.30 V
Effectively the same
Voltage at max power
29.90 V
29.60 V
Effectively the same
Short-circuit current
16.20 A
16.10 A
Effectively the same
Current at max power
15.40 A
15.20 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
21.0 kg
21.0 kg
Same
Weight per kWp
45.7 kg/kWp
46.7 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
25 yrs
25 yrs
Same
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.31 %/yr
0.31 %/yr
Same
Technology
Cell technology
TOPCon
PERC
TOPCon vs PERC
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
96
96
Same
Bifacial
No
No
Same
04
14,005 panels
Against the whole database
Efficiency
#1,919
vs
#4,222
460 leads by 2,303 places
Power density
#1,876
vs
#4,225
460 leads by 2,349 places
Heat behaviour
#2,165
vs
#2,165
Tied - the same position in the database
Weight
#805
vs
#1,258
460 leads by 453 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#5,126
vs
#6,031
460 leads by 905 places
05
Open the full database
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Written summary
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07
Questions about this pairing
Which panel is better: Bisol BDO 460 or Bisol BDO 450?
According to our database: Bisol BDO 460 has higher module efficiency (23.00% vs 22.50%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Bisol BDO 460 and Bisol BDO 450?
Bisol BDO 460 has a module efficiency of 23.00%, while Bisol BDO 450 is 22.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Bisol BDO 460 use vs Bisol BDO 450?
Bisol BDO 460 uses TOPCon cells; Bisol BDO 450 uses PERC. 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 Bisol BDO 460 and Bisol BDO 450?
Bisol BDO 460 has a 30 years power warranty; Bisol BDO 450 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 12 Bisol 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.