DMEGC DM710G12T-B66HSW vs DMEGC DM715G12T-B66HSW
VS
The verdict
Identical on every published parameter
All 19 comparable parameters agree. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from.
How alike are they
19
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
0 of 19 parameters
What actually differs
Every comparable parameter agrees. The full specification is below.
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.
DM710G12T-B66HSW
23,822 kWh
DM715G12T-B66HSW
23,990 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
DM710G12T-B66HSW
DM715G12T-B66HSW
Standard test conditions
25 °C
100.0% of rated power
710 W
715 W
Cool, bright day
40 °C
95.7% of rated power
679 W
684 W
Typical summer roof
55 °C
91.3% of rated power
648 W
653 W
Hot roof
70 °C
87.0% of rated power
617 W
622 W
03
Full specification
Parameter
DM710G12T-B66HSW
DM715G12T-B66HSW
Difference
Power and efficiency
Rated power
710 Wp
715 Wp
Effectively the same
Module efficiency
22.90 %
23.00 %
Effectively the same
Power density
228.6 Wp/m²
230.2 Wp/m²
Effectively the same
Open-circuit voltage
48.82 V
49.02 V
Effectively the same
Voltage at max power
40.76 V
40.93 V
Effectively the same
Short-circuit current
18.52 A
18.56 A
Effectively the same
Current at max power
17.45 A
17.50 A
Effectively the same
Temperature
Temperature coefficient
-0.290 %/°C
-0.290 %/°C
Same
Mechanical
Dimensions
2384x1303x33 mm
2384x1303x33 mm
Same
Module area
3.106 m²
3.106 m²
Same
Weight
37.7 kg
37.7 kg
Same
Weight per kWp
53.1 kg/kWp
52.7 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
132
132
Same
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#2,359
vs
#1,919
DM715G12T-B66HSW leads by 440 places
Power density
#2,474
vs
#2,018
DM715G12T-B66HSW leads by 456 places
Heat behaviour
#2,165
vs
#2,165
Tied - the same position in the database
Weight
#6,877
vs
#6,393
DM715G12T-B66HSW leads by 484 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#576
vs
#450
DM715G12T-B66HSW leads by 126 places
05
Open the full database
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DMEGC DM710G12T-B66HSW vs DMEGC DM700G12T-B66HSW
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DMEGC DM710G12T-B66HSW vs DMEGC DM635G12RT-B66HSW
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DMEGC DM710G12T-B66HSW vs DMEGC DM630G12RT-B66HSW
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06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: DMEGC DM710G12T-B66HSW or DMEGC DM715G12T-B66HSW?
According to our database: DMEGC DM715G12T-B66HSW has higher module efficiency (23.00% vs 22.90%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of DMEGC DM710G12T-B66HSW and DMEGC DM715G12T-B66HSW?
DMEGC DM710G12T-B66HSW has a module efficiency of 22.90%, while DMEGC DM715G12T-B66HSW is 23.00%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does DMEGC DM710G12T-B66HSW use vs DMEGC DM715G12T-B66HSW?
DMEGC DM710G12T-B66HSW uses TOPCon cells; DMEGC DM715G12T-B66HSW 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 DMEGC DM710G12T-B66HSW and DMEGC DM715G12T-B66HSW?
DMEGC DM710G12T-B66HSW has a 30 years power warranty; DMEGC DM715G12T-B66HSW 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 DMEGC DM710G12T-B66HSW and DMEGC DM715G12T-B66HSW bifacial panels?
Both DMEGC DM710G12T-B66HSW and DMEGC DM715G12T-B66HSW 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 83 DMEGC 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.