REC455AA Pure-RX vs REC Alpha Pure-RX 470 Wp 11 of 18 identical Swap Change panels

REC REC455AA Pure-RX vs REC REC Alpha Pure-RX 470 Wp

Q: Which panel is better: REC REC455AA Pure-RX or REC REC Alpha Pure-RX 470 Wp?

According to our database: REC REC Alpha Pure-RX 470 Wp has higher module efficiency (22.60% vs 21.90%). See the full spec comparison and 30-year energy simulation above for a complete picture.

Q: What is the efficiency of REC REC455AA Pure-RX and REC REC Alpha Pure-RX 470 Wp?

REC REC455AA Pure-RX has a module efficiency of 21.90%, 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.

Q: What cell technology does REC REC455AA Pure-RX use vs REC REC Alpha Pure-RX 470 Wp?

REC REC455AA Pure-RX 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.

Q: What is the warranty on REC REC455AA Pure-RX and REC REC Alpha Pure-RX 470 Wp?

REC REC455AA Pure-RX 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.

Q: Are REC REC455AA Pure-RX and REC REC Alpha Pure-RX 470 Wp bifacial panels?

REC REC455AA Pure-RX is bifacial (captures light from both faces); REC REC Alpha Pure-RX 470 Wp is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.

REC

REC455AA Pure-RX

455 Wp 21.90 % HJT Bifacial

Open panel page Datasheet PDF

REC

REC Alpha Pure-RX 470 Wp

470 Wp 22.60 % HJT

Open panel page Datasheet PDF

The verdict

REC Alpha Pure-RX 470 Wp leads on the differences that matter

The largest is module efficiency: 0.70 pp more efficient. 11 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 7 differences

How alike are they

11 of 18 comparable
parameters are identical

identical differs not published

What actually differs

7 of 18 parameters

Parameter REC455AA Pure-RX REC Alpha Pure-RX 470 Wp Difference

Module efficiency 21.90 % 22.60 % 0.70 pp more efficient

Product warranty 20 yrs 25 yrs 5 yrs longer

Power density 218.5 Wp/m² 226.0 Wp/m² 7.5 Wp/m² higher

Annual degradation 0.25 %/yr 0.33 %/yr 0.08 %/yr slower

Rated power 455 Wp 470 Wp 15 W more power

Bifacial Yes No Yes vs No

Dimensions 1728x1205x30 mm 1727x1204x31 mm 1728x1205x30 mm vs 1727x1204x31 mm

What it means on a roof

Thirty years of production

Each panel's own declared degradation curve, at 1,200 kWh/kWp a year

Cell temperature

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.

REC455AA Pure-RX

15,459 kWh

REC Alpha Pure-RX 470 Wp

16,108 kWh

Lifetime gap

649 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario REC455AA Pure-RX REC Alpha Pure-RX 470 Wp

Standard test conditions 25 °C 100.0% of rated power 455 W 470 W

Cool, bright day 40 °C 96.4% of rated power 439 W 453 W

Typical summer roof 55 °C 92.8% of rated power 422 W 436 W

Hot roof 70 °C 89.2% of rated power 406 W 419 W

Full specification

Parameter REC455AA Pure-RX REC Alpha Pure-RX 470 Wp Difference

Power and efficiency

Rated power 455 Wp 470 Wp +15 W for REC Alpha Pure-RX 470 Wp

Module efficiency 21.90 % 22.60 % +0.70 pp for REC Alpha Pure-RX 470 Wp

Power density 218.5 Wp/m² 226.0 Wp/m² +7.5 Wp/m² for REC Alpha Pure-RX 470 Wp

Open-circuit voltage 65.60 V 65.70 V Effectively the same

Voltage at max power 54.60 V 55.40 V Effectively the same

Short-circuit current 8.84 A 8.95 A Effectively the same

Current at max power 8.34 A 8.49 A Effectively the same

Temperature

Temperature coefficient -0.240 %/°C -0.240 %/°C Same

Mechanical

Dimensions 1728x1205x30 mm 1727x1204x31 mm 1728x1205x30 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 49.9 kg/kWp 49.8 kg/kWp Effectively the same

Warranty and degradation

Product warranty 20 yrs 25 yrs +5 yrs for REC Alpha Pure-RX 470 Wp

Performance warranty 25 yrs 25 yrs Same

Annual degradation 0.25 %/yr 0.33 %/yr -0.08 %/yr for REC455AA Pure-RX

Technology

Cell technology HJT HJT Same

Cell type Monocrystalline Monocrystalline Same

Cell count 88 - Not published by REC

Bifacial Yes No Yes vs No

Against the whole database

14,005 panels

Efficiency

#6,783 vs #3,658

REC Alpha Pure-RX 470 Wp leads by 3,125 places

Power density

#6,948 vs #3,709

REC Alpha Pure-RX 470 Wp leads by 3,239 places

Heat behaviour

#13 vs #13

Tied - the same position in the database

Weight

#3,272 vs #3,227

REC Alpha Pure-RX 470 Wp leads by 45 places

Warranty

#9,798 vs #9,798

Tied - the same position in the database

Overall

#8,984 vs #6,413

REC Alpha Pure-RX 470 Wp leads by 2,571 places

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Written summary

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Questions about this pairing

Which panel is better: REC REC455AA Pure-RX or REC REC Alpha Pure-RX 470 Wp?

According to our database: REC REC Alpha Pure-RX 470 Wp has higher module efficiency (22.60% vs 21.90%). See the full spec comparison and 30-year energy simulation above for a complete picture.

What is the efficiency of REC REC455AA Pure-RX and REC REC Alpha Pure-RX 470 Wp?

REC REC455AA Pure-RX has a module efficiency of 21.90%, 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 REC455AA Pure-RX use vs REC REC Alpha Pure-RX 470 Wp?

REC REC455AA Pure-RX 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 REC455AA Pure-RX and REC REC Alpha Pure-RX 470 Wp?

REC REC455AA Pure-RX 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.

Are REC REC455AA Pure-RX and REC REC Alpha Pure-RX 470 Wp bifacial panels?

REC REC455AA Pure-RX is bifacial (captures light from both faces); REC REC Alpha Pure-RX 470 Wp is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.

Shop prices: See 7 REC 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.