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460W vs 435W 12 of 19 identical Swap Change panels

HT-SAAE HT54-18X(ND)-F 460W vs HT-SAAE HT54-18X(ND)-F 435W

HT-SAAE HT54-18X(ND)-F 460W
HT-SAAE
HT54-18X(ND)-F 460W
460 Wp 23.00 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
HT-SAAE HT54-18X(ND)-F 435W
HT-SAAE
HT54-18X(ND)-F 435W
435 Wp 22.30 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

460W leads on the differences that matter

The largest is module efficiency: 0.70 pp more efficient. 12 of 19 comparable parameters are identical.

See all 7 differences
How alike are they
12 of 19 comparable
parameters are identical
identical differs
01

What actually differs

7 of 19 parameters
Parameter 460W 435W Difference
Module efficiency 23.00 % 22.30 % 0.70 pp more efficient
Rated power 460 Wp 435 Wp 25 W more power
Power density 230.2 Wp/m² 222.8 Wp/m² 7.5 Wp/m² higher
Module area 1.998 m² 1.953 m² 0.045 m² apart
Weight 25.0 kg 24.0 kg 1.0 kg lighter
Open-circuit voltage 39.40 V 38.40 V 1.00 V apart
Dimensions 1762x1134x30 mm 1722x1134x30 mm 1762x1134x30 mm vs 1722x1134x30 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
Same temp coeff. for both panels (-0.310 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
460W
15,434 kWh
435W
14,595 kWh
Lifetime gap
839 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 460W 435W
Standard test conditions 25 °C 100.0% of rated power 460 W 435 W
Cool, bright day 40 °C 95.3% of rated power 439 W 415 W
Typical summer roof 55 °C 90.7% of rated power 417 W 395 W
Hot roof 70 °C 86.0% of rated power 396 W 374 W
03

Full specification

Parameter 460W 435W Difference
Power and efficiency
Rated power 460 Wp 435 Wp +25 W for 460W
Module efficiency 23.00 % 22.30 % +0.70 pp for 460W
Power density 230.2 Wp/m² 222.8 Wp/m² +7.5 Wp/m² for 460W
Open-circuit voltage 39.40 V 38.40 V 1.00 V apart
Voltage at max power 32.90 V 32.00 V Effectively the same
Short-circuit current 14.67 A 14.31 A Effectively the same
Current at max power 13.99 A 13.60 A Effectively the same
Temperature
Temperature coefficient -0.310 %/°C -0.310 %/°C Same
Mechanical
Dimensions 1762x1134x30 mm 1722x1134x30 mm 1762x1134x30 mm vs 1722x1134x30 mm
Module area 1.998 m² 1.953 m² 0.045 m² apart
Weight 25.0 kg 24.0 kg -1.0 kg for 435W
Weight per kWp 54.3 kg/kWp 55.2 kg/kWp Effectively the same
Warranty and degradation
Product warranty 30 yrs 30 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 108 108 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#1,919 vs #5,100
460W leads by 3,181 places
Power density
#1,876 vs #5,150
460W leads by 3,274 places
Heat behaviour
#8,005 vs #8,005
Tied - the same position in the database
Weight
#8,637 vs #9,588
460W leads by 951 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#4,320 vs #5,929
460W leads by 1,609 places
05

More useful comparisons

Open the full database
Same series, other bin
HT-SAAE
HT-SAAE HT54-18X(ND)-F 460W vs HT-SAAE HT54-18X(ND)-F 455W
One difference: module efficiency
Same series, other bin
HT-SAAE
HT-SAAE HT54-18X(ND)-F 460W vs HT-SAAE HT54-18X(ND)-F 450W
3 differences, the largest is module efficiency
Same series, other bin
HT-SAAE
HT-SAAE HT54-18X(ND)-F 460W vs HT-SAAE HT54-18X(ND)-F 445W
3 differences, the largest is module efficiency
Same series, other bin
HT-SAAE
HT-SAAE HT54-18X(ND)-F 460W vs HT-SAAE HT54-18X(ND)-F 440W
4 differences, the largest is module efficiency
Same series, other bin
HT-SAAE
HT-SAAE HT54-18X(ND)-F 460W vs HT-SAAE HT54-18X(ND)-F 430W
8 differences, the largest is module efficiency
Same series, other bin
HT-SAAE
HT-SAAE HT54-18X(ND)-F 460W vs HT-SAAE HT54-18X(ND)-F 425W
11 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: HT-SAAE HT54-18X(ND)-F 460W or HT-SAAE HT54-18X(ND)-F 435W?
According to our database: HT-SAAE HT54-18X(ND)-F 460 W has higher module efficiency (23.00% vs 22.30%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of HT-SAAE HT54-18X(ND)-F 460W and HT-SAAE HT54-18X(ND)-F 435W?
HT-SAAE HT54-18X(ND)-F 460 W has a module efficiency of 23.00%, while HT-SAAE HT54-18X(ND)-F 435 W is 22.30%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does HT-SAAE HT54-18X(ND)-F 460W use vs HT-SAAE HT54-18X(ND)-F 435W?
HT-SAAE HT54-18X(ND)-F 460 W uses TOPCon cells; HT-SAAE HT54-18X(ND)-F 435 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 HT-SAAE HT54-18X(ND)-F 460W and HT-SAAE HT54-18X(ND)-F 435W?
HT-SAAE HT54-18X(ND)-F 460 W has a 30 years power warranty; HT-SAAE HT54-18X(ND)-F 435 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 HT-SAAE HT54-18X(ND)-F 460W and HT-SAAE HT54-18X(ND)-F 435W bifacial panels?
Both HT-SAAE HT54-18X(ND)-F 460 W and HT-SAAE HT54-18X(ND)-F 435 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.

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.