Trina Vertex S+ vs REC Alpha Pure-RX
Best-value TOPCon against premium HJT.
Vertex S+ 450
TOPCon- Power
- 450 Wp
- Efficiency
- 22.5 %
- Warranty
- 25 years
- Heat tolerance
- -0.3 %/°C
Alpha Pure-RX 460
HJT- Power
- 460 Wp
- Efficiency
- 22.6 %
- Warranty
- 25 years
- Heat tolerance
- -0.24 %/°C
The REC Alpha Pure-RX leads on durability and heat tolerance (-0.24%/°C, the best in the comparison) thanks to heterojunction, ideal in hot climates. The Trina Vertex S+ offers far better value and a 30-year performance warranty. REC for long-term performance, Trina for budget.
Detailed comparison
| Criterion |  Trina Solar Vertex S+ 450 89 | REC Alpha Pure-RX 460 87 |
|---|---|---|
| Power | 450 Wp | 460 Wpbest |
| Efficiency | 22.5 % | 22.6 %best |
| Indicative price | €169best | €199 |
| Product warranty | 25 yearsbest | 25 years |
| Performance warranty | 30 yearsbest | 25 years |
| Weight | 24 kg | 23.4 kgbest |
| Temperature coefficient | -0.3 %/°C | -0.24 %/°Cbest |
| Cell type | TOPCon | HJT |
| Performance | ||
| Durability | ||
| Value for money | ||
| Warranty | ||
| Buy |
Efficiency & performance
With 22.6% efficiency, the REC Alpha Pure-RX 460 beats the other model (22.5%). On the same roof area it produces more electricity, an advantage if your space is limited. On heat, the temperature coefficient (Trina Solar: -0.3%/°C, REC: -0.24%/°C) shows how much output drops when it gets hot: the closer to zero, the better.
Price & profitability (ROI)
At the indicative price, the Trina Solar Vertex S+ 450 (€169) is cheaper than the REC Alpha Pure-RX 460 (€199). Per watt, it is this cost per Wp, combined with real output and warranty length, that drives the payback. A slightly pricier but better-warrantied and more efficient model can be more profitable over 25 years. savings simulator.
Trina Solar Vertex S+ 450
Strengths
- Excellent performance-to-price ratio
- Durable dual-glass design
- 25-year product / 30-year performance warranty
Worth noting
- A bit heavier (dual-glass)
- Average temperature coefficient
REC Alpha Pure-RX 460
Strengths
- Best heat tolerance in the comparison (-0.24%/°C)
- HJT cells with no initial degradation (LID)
- Very rugged (snow 7000 Pa / wind 4000 Pa)
Worth noting
- Efficiency slightly below back-contact
- High price
Frequently asked questions
Trina Solar Vertex S+ 450 or REC Alpha Pure-RX 460: which to choose?
It depends on your priority. The REC Alpha Pure-RX leads on durability and heat tolerance (-0.24%/°C, the best in the comparison) thanks to heterojunction, ideal in hot climates. The Trina Vertex S+ offers far better value and a 30-year performance warranty. REC for long-term performance, Trina for budget.
Which has the better efficiency, Trina Solar or REC?
The REC Alpha Pure-RX 460 has the higher efficiency (22.6%), against 22.5% for the other model. Higher efficiency produces more on a given roof area.
What is the price difference between the two?
The Trina Solar Vertex S+ 450 is cheaper (€169 against €199 per panel, indicative prices).
What warranties for Trina Solar Vertex S+ 450 and REC Alpha Pure-RX 460?
The Trina Solar Vertex S+ 450 is warrantied 25 years (product) and 30 years (performance). The REC Alpha Pure-RX 460 is warrantied 25 years (product) and 25 years (performance).