Skip to main content
SG8.0RT-20 vs GW8000-DT 8 of 14 identical Swap Change inverters

Sungrow SG8.0RT-20 vs GoodWe GW8000-DT

Sungrow SG8.0RT-20
Sungrow
SG8.0RT-20
8 kW 98.0 % euro Grid-tie
VS
GoodWe GW8000-DT
GoodWe
GW8000-DT
8 kW 98.0 % euro Grid-tie
The verdict

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

The largest is max dc voltage: 100 V apart. 8 of 14 comparable parameters are identical, with 18 more left out because at least one datasheet does not publish them.

See all 6 differences
How alike are they
8 of 14 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 14 parameters
Parameter SG8.0RT-20 GW8000-DT Difference
Max DC voltage 1100 V 1000 V 100 V apart
Weight 17.0 kg 24.0 kg 7.0 kg lighter
Weight per kW 2.1 kg/kW 3.0 kg/kW 0.9 kg/kW lighter
Max efficiency 98.5 % 98.3 % 0.2 pp more efficient
Max AC current 13.3 A 12.1 A 1.2 A apart
Dimensions 480x370x195 mm 415x516x192 mm 480x370x195 mm vs 415x516x192 mm
02

Full specification

Parameter SG8.0RT-20 GW8000-DT Difference
AC output
Rated AC power 8.00 kW 8.00 kW Same
Max AC power 8.00 kW 8.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 13.3 A 12.1 A 1.2 A apart
PV input
Max PV power - 9.60 kW Not published by Sungrow
DC/AC ratio - 1.20 Not published by Sungrow
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 160-1000 V - Not published by GoodWe
Start voltage 180 V - Not published by GoodWe
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 98.0 % 98.0 % Same
Max efficiency 98.5 % 98.3 % +0.2 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 17.0 kg 24.0 kg -7.0 kg for SG8.0RT-20
Weight per kW 2.1 kg/kW 3.0 kg/kW -0.9 kg/kW for SG8.0RT-20
Dimensions 480x370x195 mm 415x516x192 mm 480x370x195 mm vs 415x516x192 mm
Ingress protection IP65 IP65 Same
Cooling forced-air - Not published by GoodWe
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by Sungrow
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes - Not published by GoodWe
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Sungrow SG8.0RT-20 vs Growatt MOD 8000TL3-X
8 differences, the largest is max input current per tracker
Same type, similar size
Growatt
Sungrow SG8.0RT-20 vs Growatt MOD 8KTL3-X2(Pro)
8 differences, the largest is max input current per tracker
Same type, similar size
Ginlong Solis
Sungrow SG8.0RT-20 vs Ginlong Solis S6-GR3P-8K02-NV-ND
8 differences, the largest is max input current per tracker
04

Written summary

Checking cache...

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