Solaria SPV665-TG12-132BD vs Solaria SPV670-TG12-132BD
VS
The verdict
Identical on every published parameter
All 18 comparable parameters agree, with 1 more left out because at least one datasheet does not publish it. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from.
How alike are they
18
of 18 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
0 of 18 parameters
What actually differs
Every comparable parameter agrees. The full specification is below.
02
What it means on a roof
Thirty years of production
Declared first-year losses, with 0.40% a year afterwards assumed for both panels, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
SPV665-TG12-132BD
22,073 kWh
SPV670-TG12-132BD
22,239 kWh
Lifetime gap
166 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
SPV665-TG12-132BD
SPV670-TG12-132BD
Standard test conditions
25 °C
100.0% of rated power
665 W
670 W
Cool, bright day
40 °C
95.5% of rated power
635 W
640 W
Typical summer roof
55 °C
91.0% of rated power
605 W
610 W
Hot roof
70 °C
86.5% of rated power
575 W
580 W
03
Full specification
Parameter
SPV665-TG12-132BD
SPV670-TG12-132BD
Difference
Power and efficiency
Rated power
665 Wp
670 Wp
Effectively the same
Module efficiency
21.44 %
21.59 %
Effectively the same
Power density
214.3 Wp/m²
215.9 Wp/m²
Effectively the same
Open-circuit voltage
46.30 V
46.50 V
Effectively the same
Voltage at max power
39.00 V
39.21 V
Effectively the same
Short-circuit current
17.87 A
17.90 A
Effectively the same
Current at max power
17.06 A
17.09 A
Effectively the same
Temperature
Temperature coefficient
-0.300 %/°C
-0.300 %/°C
Same
Mechanical
Dimensions
2383x1302x30 mm
2383x1302x30 mm
Same
Module area
3.103 m²
3.103 m²
Same
Weight
38.0 kg
38.0 kg
Same
Weight per kWp
57.1 kg/kWp
56.7 kg/kWp
Effectively the same
Warranty and degradation
Product warranty
12 yrs
12 yrs
Same
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
-
-
Neither datasheet publishes this
Technology
Cell technology
TOPCon
TOPCon
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
132
132
Same
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#8,267
vs
#7,726
SPV670-TG12-132BD leads by 541 places
Power density
#8,232
vs
#7,627
SPV670-TG12-132BD leads by 605 places
Heat behaviour
#6,093
vs
#6,093
Tied - the same position in the database
Weight
#11,052
vs
#10,811
SPV670-TG12-132BD leads by 241 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#2,776
vs
#2,462
SPV670-TG12-132BD leads by 314 places
05
Open the full database
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06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: Solaria SPV665-TG12-132BD or Solaria SPV670-TG12-132BD?
According to our database: Solaria SPV670-TG12-132BD has higher module efficiency (21.59% vs 21.44%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Solaria SPV665-TG12-132BD and Solaria SPV670-TG12-132BD?
Solaria SPV665-TG12-132BD has a module efficiency of 21.44%, while Solaria SPV670-TG12-132BD is 21.59%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Solaria SPV665-TG12-132BD use vs Solaria SPV670-TG12-132BD?
Solaria SPV665-TG12-132BD uses TOPCon cells; Solaria SPV670-TG12-132BD uses TOPCon. 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 Solaria SPV665-TG12-132BD and Solaria SPV670-TG12-132BD?
Solaria SPV665-TG12-132BD has a 30 years power warranty; Solaria SPV670-TG12-132BD 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 Solaria SPV665-TG12-132BD and Solaria SPV670-TG12-132BD bifacial panels?
Both Solaria SPV665-TG12-132BD and Solaria SPV670-TG12-132BD 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 1 Solaria offer
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.