Silfab SIL-530 XM vs Silfab SIL-570 XM+
VS
The verdict
8 differences, and they point both ways
The largest is rated power: 40 W more power. 11 of 19 comparable parameters are identical.
See all 8 differencesHow alike are they
11
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
8 of 19 parameters
What actually differs
Parameter
530 XM
570 XM+
Difference
Rated power
530 Wp
570 Wp
40 W more power
Open-circuit voltage
47.74 V
52.03 V
4.29 V apart
Module area
2.377 m²
2.581 m²
0.204 m² apart
Weight
26.2 kg
28.5 kg
2.3 kg lighter
Module efficiency
22.30 %
22.10 %
0.20 pp more efficient
Cell count
132
144
12 cells apart
Voltage at max power
41.05 V
43.74 V
2.69 V apart
Dimensions
2098x1133x35 mm
2278x1133x35 mm
2098x1133x35 mm vs 2278x1133x35 mm
02
What it means on a roof
Thirty years of production
Each panel's own declared degradation curve, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
530 XM
17,785 kWh
570 XM+
19,217 kWh
Lifetime gap
1,432 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
530 XM
570 XM+
Standard test conditions
25 °C
100.0% of rated power
530 W
570 W
Cool, bright day
40 °C
95.7% of rated power
507 W
545 W
Typical summer roof
55 °C
91.3% of rated power
484 W
520 W
Hot roof
70 °C
87.0% of rated power
461 W
496 W
03
Full specification
Parameter
530 XM
570 XM+
Difference
Power and efficiency
Rated power
530 Wp
570 Wp
+40 W for 570 XM+
Module efficiency
22.30 %
22.10 %
+0.20 pp for 530 XM
Power density
223.0 Wp/m²
220.8 Wp/m²
Effectively the same
Open-circuit voltage
47.74 V
52.03 V
4.29 V apart
Voltage at max power
41.05 V
43.74 V
2.69 V apart
Short-circuit current
13.71 A
13.79 A
Effectively the same
Current at max power
12.91 A
13.03 A
Effectively the same
Temperature
Temperature coefficient
-0.290 %/°C
-0.290 %/°C
Same
Mechanical
Dimensions
2098x1133x35 mm
2278x1133x35 mm
2098x1133x35 mm vs 2278x1133x35 mm
Module area
2.377 m²
2.581 m²
0.204 m² apart
Weight
26.2 kg
28.5 kg
-2.3 kg for 530 XM
Weight per kWp
49.4 kg/kWp
50.0 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
25 yrs
25 yrs
Same
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.33 %/yr
0.30 %/yr
Effectively the same
Technology
Cell technology
N-type
N-type
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
132
144
12 cells apart
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#5,100
vs
#6,012
530 XM leads by 912 places
Power density
#5,094
vs
#6,015
530 XM leads by 921 places
Heat behaviour
#2,165
vs
#2,165
Tied - the same position in the database
Weight
#2,957
vs
#3,575
530 XM leads by 618 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#3,682
vs
#2,566
570 XM+ leads by 1,116 places
05
Open the full database
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06
Written summary
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07
Questions about this pairing
Which panel is better: Silfab SIL-530 XM or Silfab SIL-570 XM+?
According to our database: Silfab SIL-530 XM has higher module efficiency (22.30% vs 22.10%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Silfab SIL-530 XM and Silfab SIL-570 XM+?
Silfab SIL-530 XM has a module efficiency of 22.30%, while Silfab SIL-570 XM+ is 22.10%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Silfab SIL-530 XM use vs Silfab SIL-570 XM+?
Silfab SIL-530 XM uses N-type cells; Silfab SIL-570 XM+ uses N-type. 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 Silfab SIL-530 XM and Silfab SIL-570 XM+?
Silfab SIL-530 XM has a 30 years power warranty; Silfab SIL-570 XM+ 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 Silfab SIL-530 XM and Silfab SIL-570 XM+ bifacial panels?
Both Silfab SIL-530 XM and Silfab SIL-570 XM+ 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.
Shop prices: See 2 Silfab 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.