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490W vs 500W 16 of 19 identical Swap Change panels

Sun Earth DXM8-60HBG 490W vs Sun Earth DXM8-60HBG 500W

Sun Earth
DXM8-60HBG 490W
490 Wp 22.60 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Sun Earth
DXM8-60HBG 500W
500 Wp 23.10 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

500W 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 490W 500W Difference
Module efficiency 22.60 % 23.10 % 0.50 pp more efficient
Power density 226.5 Wp/m² 231.1 Wp/m² 4.6 Wp/m² higher
Rated power 490 Wp 500 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.
490W
16,440 kWh
500W
16,776 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 490W 500W
Standard test conditions 25 °C 100.0% of rated power 490 W 500 W
Cool, bright day 40 °C 95.7% of rated power 469 W 478 W
Typical summer roof 55 °C 91.3% of rated power 447 W 457 W
Hot roof 70 °C 87.0% of rated power 426 W 435 W
03

Full specification

Parameter 490W 500W Difference
Power and efficiency
Rated power 490 Wp 500 Wp +10 W for 500W
Module efficiency 22.60 % 23.10 % +0.50 pp for 500W
Power density 226.5 Wp/m² 231.1 Wp/m² +4.6 Wp/m² for 500W
Open-circuit voltage 43.00 V 43.40 V Effectively the same
Voltage at max power 35.60 V 35.80 V Effectively the same
Short-circuit current 14.49 A 14.63 A Effectively the same
Current at max power 13.76 A 13.97 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1908x1134x30 mm 1908x1134x30 mm Same
Module area 2.164 m² 2.164 m² Same
Weight 26.5 kg 26.5 kg Same
Weight per kWp 54.1 kg/kWp 53.0 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 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 120 120 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#3,658 vs #1,570
500W leads by 2,088 places
Power density
#3,494 vs #1,626
500W leads by 1,868 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#8,300 vs #6,725
500W leads by 1,575 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#7,521 vs #6,529
500W leads by 992 places
05

More useful comparisons

Open the full database
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Sun Earth DXM8-60HBG 490W vs Sun Earth DXM8-60HBG 505W
3 differences, the largest is module efficiency
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Sun Earth DXM8-60HBG 490W vs Sun Earth DXM8-60HBG 480W
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Sun Earth DXM8-60HBG 490W vs Sun Earth DXM8-60HBG 470W
4 differences, the largest is module efficiency
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6 differences, the largest is module efficiency
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Sun Earth DXM8-60HBG 490W vs Sun Earth DXM8-72HBG 610W
9 differences, the largest is module efficiency
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Sun Earth DXM8-60HBG 490W vs Sun Earth DXM8-72H-610
9 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Sun Earth DXM8-60HBG 490W or Sun Earth DXM8-60HBG 500W?
According to our database: Sun Earth DXM8-60HBG 500 W has higher module efficiency (23.10% vs 22.60%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Sun Earth DXM8-60HBG 490W and Sun Earth DXM8-60HBG 500W?
Sun Earth DXM8-60HBG 490 W has a module efficiency of 22.60%, while Sun Earth DXM8-60HBG 500 W is 23.10%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Sun Earth DXM8-60HBG 490W use vs Sun Earth DXM8-60HBG 500W?
Sun Earth DXM8-60HBG 490 W uses TOPCon cells; Sun Earth DXM8-60HBG 500 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 Sun Earth DXM8-60HBG 490W and Sun Earth DXM8-60HBG 500W?
Sun Earth DXM8-60HBG 490 W has a 30 years power warranty; Sun Earth DXM8-60HBG 500 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 Sun Earth DXM8-60HBG 490W and Sun Earth DXM8-60HBG 500W bifacial panels?
Both Sun Earth DXM8-60HBG 490 W and Sun Earth DXM8-60HBG 500 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.

Shop prices: See 13 Sun Earth 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.