---
title: "GoodWe GW23K-SDT-CN-G40 vs Sungrow SG23T-P2-CN - Inverter Comparison | ComparePV"
description: "Compare GoodWe GW23K-SDT-CN-G40 vs Sungrow SG23T-P2-CN side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/goodwe-gw23k-sdt-cn-g40/sungrow-sg23t-p2-cn"
updated: 2026-01-16
---

# GoodWe GW23K-SDT-CN-G40 vs Sungrow SG23T-P2-CN

7 differences, and they point both ways

The largest is max input current per tracker: 19.0 A more headroom. 13 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [GoodWe GW23K-SDT-CN-G40](https://comparepv.com/inverter/goodwe-gw23k-sdt-cn-g40) | [Sungrow SG23T-P2-CN](https://comparepv.com/inverter/sungrow-sg23t-p2-cn) |
| Manufacturer | GoodWe | Sungrow |
| Rated AC power | 23 kW | 23 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | GW23K-SDT-CN-G40 | SG23T-P2-CN | Difference |
| --- | --- | --- | --- |
| Max input current per tracker | 21.0 A | 40.0 A | +19.0 A for SG23T-P2-CN |
| Weight | 17.0 kg | 19.0 kg | -2.0 kg for GW23K-SDT-CN-G40 |
| Noise | 45 dB | 50 dB | -5 dB for GW23K-SDT-CN-G40 |
| Nominal AC voltage | 380 V | 400 V | 20 V apart |
| MPPT voltage range | 140-1000 V | 160-1000 V | 140-1000 V vs 160-1000 V |
| Start voltage | 160 V | 180 V | -20 V for GW23K-SDT-CN-G40 |
| Dimensions | 413x530x211 mm | 420x510x226 mm | 413x530x211 mm vs 420x510x226 mm |


## Every compared parameter


| Parameter | GW23K-SDT-CN-G40 | SG23T-P2-CN |
| --- | --- | --- |
| Rated AC power | 23.00 kW | 23.00 kW |
| Max AC power | 25.30 kW | 25.30 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 380 V | 400 V |
| Max AC current | 38.4 A | 38.3 A |
| Max PV power | - | - |
| DC/AC ratio | - | - |
| Max DC voltage | 1100 V | 1100 V |
| MPPT voltage range | 140-1000 V | 160-1000 V |
| Start voltage | 160 V | 180 V |
| MPP trackers | 2 | 2 |
| Strings per tracker | 2 | 2 |
| Max input current per tracker | 21.0 A | 40.0 A |
| European efficiency | - | 98.3 % |
| Max efficiency | 98.7 % | 98.6 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 17.0 kg | 19.0 kg |
| Weight per kW | 0.7 kg/kW | 0.8 kg/kW |
| Dimensions | 413x530x211 mm | 420x510x226 mm |
| Ingress protection | IP66 | IP66 |
| Cooling | forced-air | forced-air |
| Noise | 45 dB | 50 dB |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | - | - |
| Ethernet | - | - |
| Arc fault protection | - | - |
| Integrated DC switch | Yes | Yes |
| Warranty | - | - |


## Related comparisons

- [GoodWe GW23K-SDT-CN-G40 vs SOFAR 23KTLX-G3P](https://comparepv.com/compare-inverters/goodwe-gw23k-sdt-cn-g40/sofar-solar-sofar-23ktlx-g3p) - 4 differences, the largest is nominal ac voltage
- [GoodWe GW23K-SDT-CN-G40 vs Ginlong Solis S5-GC23K-LV](https://comparepv.com/compare-inverters/goodwe-gw23k-sdt-cn-g40/ginlong-solis-s5-gc23k-lv) - 10 differences, the largest is max input current per tracker
- [GoodWe GW23K-SDT-CN-G40 vs Ginlong Solis S6-GC3P23K03-LV-ND](https://comparepv.com/compare-inverters/goodwe-gw23k-sdt-cn-g40/ginlong-solis-s6-gc3p23k03-lv-nd) - 11 differences, the largest is max input current per tracker


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Source: https://comparepv.com/compare-inverters/goodwe-gw23k-sdt-cn-g40/sungrow-sg23t-p2-cn

Not in this file, on the page: a written summary generated on request.