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28 450W vs 28-460 16 of 19 identical Swap Change panels

Trina Solar TSM-NEG9R.28 450W vs Trina Solar TSM-NEG9R.28-460

Trina Solar TSM-NEG9R.28 450W
TSM-NEG9R.28 450W
450 Wp 22.50 % TOPCon
Open panel page Datasheet PDF
VS
Trina Solar TSM-NEG9R.28-460
TSM-NEG9R.28-460
460 Wp 23.00 % TOPCon
Open panel page Datasheet PDF
The verdict

28-460 leads on the differences that matter

The largest is module efficiency: 0.50 pp more efficient. 16 of 19 comparable parameters are identical.

See all 3 differences
How alike are they
16 of 19 comparable
parameters are identical
identical differs
01

What actually differs

3 of 19 parameters
Parameter 28 450W 28-460 Difference
Module efficiency 22.50 % 23.00 % 0.50 pp more efficient
Power density 225.2 Wp/m² 230.2 Wp/m² 5.0 Wp/m² higher
Rated power 450 Wp 460 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.
28 450W
15,098 kWh
28-460
15,434 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 28 450W 28-460
Standard test conditions 25 °C 100.0% of rated power 450 W 460 W
Cool, bright day 40 °C 95.7% of rated power 430 W 440 W
Typical summer roof 55 °C 91.3% of rated power 411 W 420 W
Hot roof 70 °C 87.0% of rated power 391 W 400 W
03

Full specification

Parameter 28 450W 28-460 Difference
Power and efficiency
Rated power 450 Wp 460 Wp +10 W for 28-460
Module efficiency 22.50 % 23.00 % +0.50 pp for 28-460
Power density 225.2 Wp/m² 230.2 Wp/m² +5.0 Wp/m² for 28-460
Open-circuit voltage 52.90 V 53.80 V Effectively the same
Voltage at max power 44.60 V 45.40 V Effectively the same
Short-circuit current 10.74 A 10.81 A Effectively the same
Current at max power 10.09 A 10.14 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 46.7 kg/kWp 45.7 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 15 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 144 144 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#4,222 vs #1,919
28-460 leads by 2,303 places
Power density
#4,225 vs #1,876
28-460 leads by 2,349 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#1,258 vs #805
28-460 leads by 453 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#8,336 vs #7,286
28-460 leads by 1,050 places
05

More useful comparisons

Open the full database
Same series, other bin
Trina Solar TSM-NEG9R.28 450W vs Trina Solar TSM-470NED9R.28
8 differences, the largest is module efficiency
Same series, other bin
Trina Solar TSM-NEG9R.28 450W vs Trina Solar TSM-465NED9R.28
8 differences, the largest is module efficiency
Same series, other bin
Trina Solar TSM-NEG9R.28 450W vs Trina Solar TSM-NEG9R.28 460W
3 differences, the largest is module efficiency
Same series, other bin
Trina Solar TSM-NEG9R.28 450W vs Trina Solar TSM-460NEG9R.28
5 differences, the largest is module efficiency
Same series, other bin
Trina Solar TSM-NEG9R.28 450W vs Trina Solar TSM-460 NEG9R.28
5 differences, the largest is module efficiency
Same series, other bin
Trina Solar TSM-NEG9R.28 450W vs Trina Solar TSM-460NED9R.28
6 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Trina Solar TSM-NEG9R.28 450W or Trina Solar TSM-NEG9R.28-460?
According to our database: Trina Solar TSM-NEG9R.28-460 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 Trina Solar TSM-NEG9R.28 450W and Trina Solar TSM-NEG9R.28-460?
Trina Solar TSM-NEG9R.28 450 W has a module efficiency of 22.50%, while Trina Solar TSM-NEG9R.28-460 is 23.00%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Trina Solar TSM-NEG9R.28 450W use vs Trina Solar TSM-NEG9R.28-460?
Trina Solar TSM-NEG9R.28 450 W uses TOPCon cells; Trina Solar TSM-NEG9R.28-460 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 Trina Solar TSM-NEG9R.28 450W and Trina Solar TSM-NEG9R.28-460?
Trina Solar TSM-NEG9R.28 450 W has a 30 years power warranty; Trina Solar TSM-NEG9R.28-460 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 219 Trina 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.