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GW8K-DT vs SG8.0RT-20 9 of 18 identical Swap Change inverters

GoodWe GW8K-DT vs Sungrow SG8.0RT-20

GoodWe GW8K-DT
GoodWe
GW8K-DT
8 kW 97.6 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG8.0RT-20
Sungrow
SG8.0RT-20
8 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG8.0RT-20 leads on the differences that matter

The largest is max dc voltage: 100 V apart. 9 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
9 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 18 parameters
Parameter GW8K-DT SG8.0RT-20 Difference
Max DC voltage 1000 V 1100 V 100 V apart
European efficiency 97.6 % 98.0 % 0.4 pp more efficient
Max AC power 8.80 kW 8.00 kW 0.80 kW apart
Max efficiency 98.2 % 98.5 % 0.3 pp more efficient
Weight 16.0 kg 17.0 kg 1.0 kg lighter
MPPT voltage range 180-850 V 160-1000 V 180-850 V vs 160-1000 V
Start voltage 160 V 180 V 20 V earlier start
Max AC current 12.8 A 13.3 A 0.5 A apart
Dimensions 433x354x147 mm 480x370x195 mm 433x354x147 mm vs 480x370x195 mm
02

Full specification

Parameter GW8K-DT SG8.0RT-20 Difference
AC output
Rated AC power 8.00 kW 8.00 kW Same
Max AC power 8.80 kW 8.00 kW 0.80 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 12.8 A 13.3 A 0.5 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 180-850 V 160-1000 V 180-850 V vs 160-1000 V
Start voltage 160 V 180 V -20 V for GW8K-DT
MPP trackers 2 2 Same
Strings per tracker - 1 Not published by GoodWe
Max input current per tracker - 25.0 A Not published by GoodWe
Efficiency
European efficiency 97.6 % 98.0 % +0.4 pp for SG8.0RT-20
Max efficiency 98.2 % 98.5 % +0.3 pp for SG8.0RT-20
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input - - Neither datasheet publishes this
Battery voltage - - Neither datasheet publishes this
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 16.0 kg 17.0 kg -1.0 kg for GW8K-DT
Weight per kW 2.0 kg/kW 2.1 kg/kW Effectively the same
Dimensions 433x354x147 mm 480x370x195 mm 433x354x147 mm vs 480x370x195 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by Sungrow
Ethernet Yes - Not published by Sungrow
Arc fault protection Yes - Not published by Sungrow
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

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04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.