--- title: "REC REC Alpha Pure-RX 470 vs REC REC Alpha Pure-RX 470 Wp - Solar Panel Comparison | ComparePV" description: "Compare REC REC Alpha Pure-RX 470 vs REC REC Alpha Pure-RX 470 Wp side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/rec-rec-alpha-pure-rx-470/rec-rec-alpha-pure-rx-470-wp" updated: 2026-09-11 --- # REC REC Alpha Pure-RX 470 vs REC REC Alpha Pure-RX 470 Wp 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. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [REC REC Alpha Pure-RX 470](https://comparepv.com/panel/rec-rec-alpha-pure-rx-470) | [REC REC Alpha Pure-RX 470 Wp](https://comparepv.com/panel/rec-rec-alpha-pure-rx-470-wp) | | Manufacturer | REC | REC | | Power | 470 Wp | 470 Wp | | Efficiency | 22.60 % | 22.60 % | | Technology | HJT | HJT | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 470 | 470 Wp | Difference | | --- | --- | --- | --- | | Annual degradation | 0.25 %/yr | 0.33 %/yr | -0.08 %/yr for 470 | | Dimensions | 1728x1205 mm | 1727x1204x31 mm | 1728x1205 mm vs 1727x1204x31 mm | ## Every compared parameter | Parameter | 470 | 470 Wp | | --- | --- | --- | | Rated power | 470 Wp | 470 Wp | | Module efficiency | 22.60 % | 22.60 % | | Power density | 225.7 Wp/m² | 226.0 Wp/m² | | Open-circuit voltage | 65.70 V | 65.70 V | | Voltage at max power | 55.40 V | 55.40 V | | Short-circuit current | 8.95 A | 8.95 A | | Current at max power | 8.49 A | 8.49 A | | Temperature coefficient | -0.240 %/°C | -0.240 %/°C | | Dimensions | 1728x1205 mm | 1727x1204x31 mm | | Module area | 2.082 m² | 2.079 m² | | Weight | 22.7 kg | 23.4 kg | | Weight per kWp | 48.3 kg/kWp | 49.8 kg/kWp | | Product warranty | 25 yrs | 25 yrs | | Performance warranty | 25 yrs | 25 yrs | | Annual degradation | 0.25 %/yr | 0.33 %/yr | | Cell technology | HJT | HJT | | Cell type | Monocrystalline | Monocrystalline | | Cell count | - | - | | Bifacial | No | No | ## Thirty-year yield 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. - **Cumulative output, 470:** 15,968 kWh - **Cumulative output, 470 Wp:** 16,108 kWh - **Gap:** 140 kWh ## Output when hot | Condition | Cell temperature | 470 | 470 Wp | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 470 W | 470 W | 100.0% of rated power | | Cool, bright day | 40 °C | 453 W | 453 W | 96.4% of rated power | | Typical summer roof | 55 °C | 436 W | 436 W | 92.8% of rated power | | Hot roof | 70 °C | 419 W | 419 W | 89.2% of rated power | ## Against the whole database | Measure | 470 | 470 Wp | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #3,658 | #3,658 | 14,005 | Tied - the same position in the database | | Power density | #3,843 | #3,709 | 14,005 | 470 Wp leads by 134 places | | Heat behaviour | #13 | #13 | 14,005 | Tied - the same position in the database | | Weight | #2,187 | #3,227 | 14,005 | 470 leads by 1,040 places | | Warranty | #9,798 | #9,798 | 14,005 | Tied - the same position in the database | | Overall | #6,389 | #6,413 | 14,005 | 470 leads by 24 places | ## Questions ### 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. ## Related comparisons - [REC REC Alpha Pure-RX 470 vs REC REC475AA Pure-RX](https://comparepv.com/compare/rec-rec-alpha-pure-rx-470/rec-rec475aa-pure-rx) - 4 differences, the largest is product warranty - [REC REC Alpha Pure-RX 470 vs REC REC470AA Pure-RX](https://comparepv.com/compare/rec-rec-alpha-pure-rx-470/rec-rec470aa-pure-rx-1) - 3 differences, the largest is product warranty - [REC REC Alpha Pure-RX 470 vs REC REC465AA Pure-RX](https://comparepv.com/compare/rec-rec-alpha-pure-rx-470/rec-rec465aa-pure-rx) - 4 differences, the largest is product warranty - [REC REC Alpha Pure-RX 470 vs REC REC460AA Pure-RX](https://comparepv.com/compare/rec-rec-alpha-pure-rx-470/rec-rec460aa-pure-rx-1) - 6 differences, the largest is module efficiency - [REC REC Alpha Pure-RX 470 vs REC REC455AA Pure-RX](https://comparepv.com/compare/rec-rec-alpha-pure-rx-470/rec-rec455aa-pure-rx) - 6 differences, the largest is module efficiency - [REC REC Alpha Pure-RX 470 vs REC REC450AA Pure-RX](https://comparepv.com/compare/rec-rec-alpha-pure-rx-470/rec-rec450aa-pure-rx-1) - 8 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/rec-rec-alpha-pure-rx-470/rec-rec-alpha-pure-rx-470-wp Not in this file, on the page: the thirty-year yield curve year by year at a cell temperature you pick and a written summary generated on request.