MS715N-HJTGB vs MS740N-HJTGB 13 of 18 identical Swap Change panels

MY Solar MS715N-HJTGB vs MY Solar MS740N-HJTGB

Q: Which panel is better: MY Solar MS715N-HJTGB or MY Solar MS740N-HJTGB?

According to our database: MY Solar MS740N-HJTGB has higher module efficiency (23.82% vs 23.01%); MY Solar MS740N-HJTGB tolerates heat better (temp coeff -0.240%/°C vs -0.260%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.

Q: What is the efficiency of MY Solar MS715N-HJTGB and MY Solar MS740N-HJTGB?

MY Solar MS715N-HJTGB has a module efficiency of 23.01%, while MY Solar MS740N-HJTGB is 23.82%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does MY Solar MS715N-HJTGB use vs MY Solar MS740N-HJTGB?

MY Solar MS715N-HJTGB uses HJT cells; MY Solar MS740N-HJTGB uses HJT. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.

Q: What is the warranty on MY Solar MS715N-HJTGB and MY Solar MS740N-HJTGB?

MY Solar MS715N-HJTGB has a 30 years power warranty; MY Solar MS740N-HJTGB 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.

Q: Are MY Solar MS715N-HJTGB and MY Solar MS740N-HJTGB bifacial panels?

Both MY Solar MS715N-HJTGB and MY Solar MS740N-HJTGB 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.

MY Solar

MS715N-HJTGB

715 Wp 23.01 % HJT Bifacial

Open panel page Datasheet PDF

MY Solar

MS740N-HJTGB

740 Wp 23.82 % HJT Bifacial Incomplete

Open panel page Datasheet PDF

The verdict

MS740N-HJTGB leads on the differences that matter

The largest is module efficiency: 0.81 pp more efficient. 13 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 5 differences

How alike are they

13 of 18 comparable
parameters are identical

identical differs not published

What actually differs

5 of 18 parameters

Parameter MS715N-HJTGB MS740N-HJTGB Difference

Module efficiency 23.01 % 23.82 % 0.81 pp more efficient

Power density 230.2 Wp/m² 238.2 Wp/m² 8.0 Wp/m² higher

Temperature coefficient -0.260 %/°C -0.240 %/°C 0.020 %/°C better in heat

Rated power 715 Wp 740 Wp 25 W more power

Weight per kWp 54.3 kg/kWp 51.8 kg/kWp 2.5 kg/kWp lighter

What it means on a roof

Thirty years of production

A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year

Cell temperature

MS715N-HJTGB

23,990 kWh

MS740N-HJTGB

24,828 kWh

Lifetime gap

838 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario MS715N-HJTGB MS740N-HJTGB

Standard test conditions 25 °C 100.0% of rated power 715 W 740 W

Cool, bright day 40 °C 96.1% of rated power 687 W 713 W

Typical summer roof 55 °C 92.2% of rated power 659 W 687 W

Hot roof 70 °C 88.3% of rated power 631 W 660 W

Full specification

Parameter MS715N-HJTGB MS740N-HJTGB Difference

Power and efficiency

Rated power 715 Wp 740 Wp +25 W for MS740N-HJTGB

Module efficiency 23.01 % 23.82 % +0.81 pp for MS740N-HJTGB

Power density 230.2 Wp/m² 238.2 Wp/m² +8.0 Wp/m² for MS740N-HJTGB

Open-circuit voltage 50.60 V 51.35 V Effectively the same

Voltage at max power 42.55 V 43.25 V Effectively the same

Short-circuit current 17.61 A 17.95 A Effectively the same

Current at max power 16.81 A 17.13 A Effectively the same

Temperature

Temperature coefficient -0.260 %/°C -0.240 %/°C +0.020 %/°C for MS740N-HJTGB

Mechanical

Dimensions 2384x1303x35 mm 2384x1303x35 mm Same

Module area 3.106 m² 3.106 m² Same

Weight 38.8 kg 38.3 kg Effectively the same

Weight per kWp 54.3 kg/kWp 51.8 kg/kWp -2.5 kg/kWp for MS740N-HJTGB

Warranty and degradation

Product warranty 30 yrs 30 yrs Same

Performance warranty 30 yrs 30 yrs Same

Annual degradation 0.25 %/yr - Not published by MY Solar

Technology

Cell technology HJT HJT Same

Cell type Monocrystalline Monocrystalline Same

Cell count 132 132 Same

Bifacial Yes Yes Same

Against the whole database

14,005 panels

Efficiency

#1,911 vs #418

MS740N-HJTGB leads by 1,493 places

Power density

#2,018 vs #431

MS740N-HJTGB leads by 1,587 places

Heat behaviour

#511 vs #13

MS740N-HJTGB leads by 498 places

Weight

#8,518 vs #5,125

MS740N-HJTGB leads by 3,393 places

Warranty

#21 vs #21

Tied - the same position in the database

Overall

#43 vs #3

MS740N-HJTGB leads by 40 places

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Written summary

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Questions about this pairing

Which panel is better: MY Solar MS715N-HJTGB or MY Solar MS740N-HJTGB?

According to our database: MY Solar MS740N-HJTGB has higher module efficiency (23.82% vs 23.01%); MY Solar MS740N-HJTGB tolerates heat better (temp coeff -0.240%/°C vs -0.260%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.

What is the efficiency of MY Solar MS715N-HJTGB and MY Solar MS740N-HJTGB?

MY Solar MS715N-HJTGB has a module efficiency of 23.01%, while MY Solar MS740N-HJTGB is 23.82%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

What cell technology does MY Solar MS715N-HJTGB use vs MY Solar MS740N-HJTGB?

MY Solar MS715N-HJTGB uses HJT cells; MY Solar MS740N-HJTGB uses HJT. 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 MY Solar MS715N-HJTGB and MY Solar MS740N-HJTGB?

MY Solar MS715N-HJTGB has a 30 years power warranty; MY Solar MS740N-HJTGB 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 MY Solar MS715N-HJTGB and MY Solar MS740N-HJTGB bifacial panels?

Both MY Solar MS715N-HJTGB and MY Solar MS740N-HJTGB 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.