Trina Solar TSM-NEG9R.28-460 vs Trina Solar TSM-NEG9R.28 455W
VS
The verdict
28-460 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
28-460
28 455W
Difference
Module efficiency
23.00 %
22.80 %
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 (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
28-460
15,434 kWh
28 455W
15,266 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
28-460
28 455W
Standard test conditions
25 °C
100.0% of rated power
460 W
455 W
Cool, bright day
40 °C
95.7% of rated power
440 W
435 W
Typical summer roof
55 °C
91.3% of rated power
420 W
415 W
Hot roof
70 °C
87.0% of rated power
400 W
396 W
03
Full specification
Parameter
28-460
28 455W
Difference
Power and efficiency
Rated power
460 Wp
455 Wp
Effectively the same
Module efficiency
23.00 %
22.80 %
+0.20 pp for 28-460
Power density
230.2 Wp/m²
227.7 Wp/m²
Effectively the same
Open-circuit voltage
53.80 V
53.40 V
Effectively the same
Voltage at max power
45.40 V
45.00 V
Effectively the same
Short-circuit current
10.81 A
10.77 A
Effectively the same
Current at max power
10.14 A
10.11 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
46.2 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
14,005 panels
Against the whole database
Efficiency
#1,919
vs
#2,714
28-460 leads by 795 places
Power density
#1,876
vs
#2,888
28-460 leads by 1,012 places
Heat behaviour
#2,165
vs
#2,165
Tied - the same position in the database
Weight
#805
vs
#1,016
28-460 leads by 211 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#7,286
vs
#7,730
28-460 leads by 444 places
05
Open the full database
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06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: Trina Solar TSM-NEG9R.28-460 or Trina Solar TSM-NEG9R.28 455W?
According to our database: Trina Solar TSM-NEG9R.28-460 has higher module efficiency (23.00% vs 22.80%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Trina Solar TSM-NEG9R.28-460 and Trina Solar TSM-NEG9R.28 455W?
Trina Solar TSM-NEG9R.28-460 has a module efficiency of 23.00%, while Trina Solar TSM-NEG9R.28 455 W is 22.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Trina Solar TSM-NEG9R.28-460 use vs Trina Solar TSM-NEG9R.28 455W?
Trina Solar TSM-NEG9R.28-460 uses TOPCon cells; Trina Solar TSM-NEG9R.28 455 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 Trina Solar TSM-NEG9R.28-460 and Trina Solar TSM-NEG9R.28 455W?
Trina Solar TSM-NEG9R.28-460 has a 30 years power warranty; Trina Solar TSM-NEG9R.28 455 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.
Shop prices: See 215 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.