Skip to main content
MS730N-HJTGB vs AIKO-A800-GRH78Dw 3 of 18 identical Swap Change panels

MY Solar MS730N-HJTGB vs AIKO AIKO-A800-GRH78Dw

MY Solar
MS730N-HJTGB
730 Wp 23.50 % HJT Bifacial Incomplete
VS
AIKO AIKO-A800-GRH78Dw
AIKO-A800-GRH78Dw
800 Wp 24.90 % Back Contact Bifacial Incomplete
The verdict

AIKO-A800-GRH78Dw leads on the differences that matter

The largest is module efficiency: 1.40 pp more efficient. 3 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 15 differences
How alike are they
3 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

15 of 18 parameters
Parameter MS730N-HJTGB AIKO-A800-GRH78Dw Difference
Module efficiency 23.50 % 24.90 % 1.40 pp more efficient
Rated power 730 Wp 800 Wp 70 W more power
Power density 235.0 Wp/m² 249.1 Wp/m² 14.1 Wp/m² higher
Product warranty 30 yrs 15 yrs 15 yrs longer
Temperature coefficient -0.240 %/°C -0.260 %/°C 0.020 %/°C better in heat
Open-circuit voltage 51.05 V 59.32 V 8.27 V apart
Module area 3.106 m² 3.212 m² 0.106 m² apart
Cell technology HJT Back Contact HJT vs Back Contact
Weight 38.3 kg 39.8 kg 1.5 kg lighter
Weight per kWp 52.5 kg/kWp 49.7 kg/kWp 2.7 kg/kWp lighter
Voltage at max power 42.97 V 49.36 V 6.39 V apart
Cell count 132 156 24 cells apart
Short-circuit current 17.81 A 17.06 A 0.75 A apart
Dimensions 2384x1303x35 mm 2465x1303x33 mm 2384x1303x35 mm vs 2465x1303x33 mm
Current at max power 16.99 A 16.21 A 0.78 A apart
02

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
MS730N-HJTGB
24,493 kWh
AIKO-A800-GRH78Dw
26,842 kWh
Lifetime gap
2,349 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario MS730N-HJTGB AIKO-A800-GRH78Dw
Standard test conditions 25 °C 100.0% of rated power 730 W 800 W
Cool, bright day 40 °C 96.1% of rated power 704 W 769 W
Typical summer roof 55 °C 92.2% of rated power 677 W 738 W
Hot roof 70 °C 88.3% of rated power 651 W 706 W
03

Full specification

Parameter MS730N-HJTGB AIKO-A800-GRH78Dw Difference
Power and efficiency
Rated power 730 Wp 800 Wp +70 W for AIKO-A800-GRH78Dw
Module efficiency 23.50 % 24.90 % +1.40 pp for AIKO-A800-GRH78Dw
Power density 235.0 Wp/m² 249.1 Wp/m² +14.1 Wp/m² for AIKO-A800-GRH78Dw
Open-circuit voltage 51.05 V 59.32 V 8.27 V apart
Voltage at max power 42.97 V 49.36 V 6.39 V apart
Short-circuit current 17.81 A 17.06 A 0.75 A apart
Current at max power 16.99 A 16.21 A 0.78 A apart
Temperature
Temperature coefficient -0.240 %/°C -0.260 %/°C +0.020 %/°C for MS730N-HJTGB
Mechanical
Dimensions 2384x1303x35 mm 2465x1303x33 mm 2384x1303x35 mm vs 2465x1303x33 mm
Module area 3.106 m² 3.212 m² 0.106 m² apart
Weight 38.3 kg 39.8 kg -1.5 kg for MS730N-HJTGB
Weight per kWp 52.5 kg/kWp 49.7 kg/kWp -2.7 kg/kWp for AIKO-A800-GRH78Dw
Warranty and degradation
Product warranty 30 yrs 15 yrs +15 yrs for MS730N-HJTGB
Performance warranty 30 yrs 30 yrs Same
Annual degradation - - Neither datasheet publishes this
Technology
Cell technology HJT Back Contact HJT vs Back Contact
Cell type Monocrystalline Monocrystalline Same
Cell count 132 156 24 cells apart
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#716 vs #10
AIKO-A800-GRH78Dw leads by 706 places
Power density
#800 vs #10
AIKO-A800-GRH78Dw leads by 790 places
Heat behaviour
#13 vs #511
MS730N-HJTGB leads by 498 places
Weight
#5,993 vs #3,214
AIKO-A800-GRH78Dw leads by 2,779 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#8 vs #2
AIKO-A800-GRH78Dw leads by 6 places
05

More useful comparisons

Open the full database
Same series, other bin
MY Solar
MY Solar MS730N-HJTGB vs MY Solar MS740N-HJTGB
3 differences, the largest is module efficiency
Same series, other bin
MY Solar
MY Solar MS730N-HJTGB vs MY Solar MS735N-HJTGB
The same specification on paper
Same series, other bin
MY Solar
MY Solar MS730N-HJTGB vs MY Solar MS725N-HJTGB
The same specification on paper
Same series, other bin
AIKO AIKO-A800-GRH78Dw vs AIKO AIKO-A805-GRH78Dw
One difference: module efficiency
Same series, other bin
AIKO AIKO-A800-GRH78Dw vs AIKO AIKO-A795-GRH78Dw
The same specification on paper
Same series, other bin
AIKO AIKO-A800-GRH78Dw vs AIKO AIKO-A790-GRH78Dw
3 differences, the largest is module efficiency
06

Written summary

Checking cache...
07

Questions about this pairing

Which panel is better: MY Solar MS730N-HJTGB or AIKO AIKO-A800-GRH78Dw?
According to our database: AIKO AIKO-A800-GRH78Dw has higher module efficiency (24.90% vs 23.50%); MY Solar MS730N-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 MS730N-HJTGB and AIKO AIKO-A800-GRH78Dw?
MY Solar MS730N-HJTGB has a module efficiency of 23.50%, while AIKO AIKO-A800-GRH78Dw is 24.90%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does MY Solar MS730N-HJTGB use vs AIKO AIKO-A800-GRH78Dw?
MY Solar MS730N-HJTGB uses HJT cells; AIKO AIKO-A800-GRH78Dw uses Back Contact. 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 MS730N-HJTGB and AIKO AIKO-A800-GRH78Dw?
MY Solar MS730N-HJTGB has a 30 years power warranty; AIKO AIKO-A800-GRH78Dw 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 MS730N-HJTGB and AIKO AIKO-A800-GRH78Dw bifacial panels?
Both MY Solar MS730N-HJTGB and AIKO AIKO-A800-GRH78Dw 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.
Compare MY Solar and AIKO as manufacturers Portfolio, efficiency, cell technologies and warranty terms

Shop prices: See 180 AIKO 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.