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470 vs 470 Wp 16 of 18 identical Swap Change panels

REC REC Alpha Pure-RX 470 vs REC REC Alpha Pure-RX 470 Wp

REC REC Alpha Pure-RX 470
REC
REC Alpha Pure-RX 470
470 Wp 22.60 % HJT
Open panel page Datasheet PDF
VS
REC REC Alpha Pure-RX 470 Wp
REC
REC Alpha Pure-RX 470 Wp
470 Wp 22.60 % HJT
Open panel page Datasheet PDF
The verdict

470 leads on the differences that matter

The largest is annual degradation: 0.08 %/yr slower. 16 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 2 differences
How alike are they
16 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

2 of 18 parameters
Parameter 470 470 Wp Difference
Annual degradation 0.25 %/yr 0.33 %/yr 0.08 %/yr slower
Dimensions 1728x1205 mm 1727x1204x31 mm 1728x1205 mm vs 1727x1204x31 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 (-0.240 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
470
15,968 kWh
470 Wp
16,108 kWh
Lifetime gap
140 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 470 470 Wp
Standard test conditions 25 °C 100.0% of rated power 470 W 470 W
Cool, bright day 40 °C 96.4% of rated power 453 W 453 W
Typical summer roof 55 °C 92.8% of rated power 436 W 436 W
Hot roof 70 °C 89.2% of rated power 419 W 419 W
03

Full specification

Parameter 470 470 Wp Difference
Power and efficiency
Rated power 470 Wp 470 Wp Same
Module efficiency 22.60 % 22.60 % Same
Power density 225.7 Wp/m² 226.0 Wp/m² Effectively the same
Open-circuit voltage 65.70 V 65.70 V Same
Voltage at max power 55.40 V 55.40 V Same
Short-circuit current 8.95 A 8.95 A Same
Current at max power 8.49 A 8.49 A Same
Temperature
Temperature coefficient -0.240 %/°C -0.240 %/°C Same
Mechanical
Dimensions 1728x1205 mm 1727x1204x31 mm 1728x1205 mm vs 1727x1204x31 mm
Module area 2.082 m² 2.079 m² Effectively the same
Weight 22.7 kg 23.4 kg Effectively the same
Weight per kWp 48.3 kg/kWp 49.8 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 25 yrs Same
Performance warranty 25 yrs 25 yrs Same
Annual degradation 0.25 %/yr 0.33 %/yr -0.08 %/yr for 470
Technology
Cell technology HJT HJT Same
Cell type Monocrystalline Monocrystalline Same
Cell count - - Neither datasheet publishes this
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#3,658 vs #3,658
Tied - the same position in the database
Power density
#3,843 vs #3,709
470 Wp leads by 134 places
Heat behaviour
#13 vs #13
Tied - the same position in the database
Weight
#2,187 vs #3,227
470 leads by 1,040 places
Warranty
#9,798 vs #9,798
Tied - the same position in the database
Overall
#6,389 vs #6,413
470 leads by 24 places
05

More useful comparisons

Open the full database
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REC REC Alpha Pure-RX 470 vs REC REC465AA Pure-RX
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REC REC Alpha Pure-RX 470 vs REC REC460AA Pure-RX
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6 differences, the largest is module efficiency
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REC REC Alpha Pure-RX 470 vs REC REC450AA Pure-RX
8 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: REC REC Alpha Pure-RX 470 or REC REC Alpha Pure-RX 470 Wp?
According to our database: both panels are closely matched on key specs - the decision often comes down to price and local availability. See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of REC REC Alpha Pure-RX 470 and REC REC Alpha Pure-RX 470 Wp?
REC REC Alpha Pure-RX 470 has a module efficiency of 22.60%, while REC REC Alpha Pure-RX 470 Wp is 22.60%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does REC REC Alpha Pure-RX 470 use vs REC REC Alpha Pure-RX 470 Wp?
REC REC Alpha Pure-RX 470 uses HJT cells; REC REC Alpha Pure-RX 470 Wp uses HJT. 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 REC REC Alpha Pure-RX 470 and REC REC Alpha Pure-RX 470 Wp?
REC REC Alpha Pure-RX 470 has a 25 years power warranty; REC REC Alpha Pure-RX 470 Wp has a 25 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.

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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.