--- title: "Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W) vs Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (460W) - Solar Panel Comparison | ComparePV" description: "Compare Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W) vs Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (460W) side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/jinkosolar-jkm450-475n-48hl4m-db-z2-en-450w/jinkosolar-jkm450-475n-48hl4m-db-z2-en-460w" updated: 2026-09-11 --- # Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W) vs Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (460W) (460W) leads on the differences that matter The largest is module efficiency: 0.50 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W)](https://comparepv.com/panel/jinkosolar-jkm450-475n-48hl4m-db-z2-en-450w) | [Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (460W)](https://comparepv.com/panel/jinkosolar-jkm450-475n-48hl4m-db-z2-en-460w) | | Manufacturer | Jinko Solar | Jinko Solar | | Power | 450 Wp | 460 Wp | | Efficiency | 22.52 % | 23.02 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | (450W) | (460W) | Difference | | --- | --- | --- | --- | | Module efficiency | 22.52 % | 23.02 % | +0.50 pp for (460W) | | Power density | 225.2 Wp/m² | 230.2 Wp/m² | +5.0 Wp/m² for (460W) | | Rated power | 450 Wp | 460 Wp | +10 W for (460W) | ## Every compared parameter | Parameter | (450W) | (460W) | | --- | --- | --- | | Rated power | 450 Wp | 460 Wp | | Module efficiency | 22.52 % | 23.02 % | | Power density | 225.2 Wp/m² | 230.2 Wp/m² | | Open-circuit voltage | 36.06 V | 36.40 V | | Voltage at max power | 30.25 V | 30.71 V | | Short-circuit current | 15.66 A | 15.76 A | | Current at max power | 14.88 A | 14.98 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 1762x1134x30 mm | 1762x1134x30 mm | | Module area | 1.998 m² | 1.998 m² | | Weight | 24.0 kg | 24.0 kg | | Weight per kWp | 53.3 kg/kWp | 52.2 kg/kWp | | Product warranty | 25 yrs | 25 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 96 | 96 | | 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 (-0.290 %/°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, (450W):** 15,098 kWh - **Cumulative output, (460W):** 15,434 kWh - **Gap:** 336 kWh ## Output when hot | Condition | Cell temperature | (450W) | (460W) | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 450 W | 460 W | 100.0% of rated power | | Cool, bright day | 40 °C | 430 W | 440 W | 95.7% of rated power | | Typical summer roof | 55 °C | 411 W | 420 W | 91.3% of rated power | | Hot roof | 70 °C | 391 W | 400 W | 87.0% of rated power | ## Against the whole database | Measure | (450W) | (460W) | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #4,108 | #1,797 | 14,005 | (460W) leads by 2,311 places | | Power density | #4,225 | #1,876 | 14,005 | (460W) leads by 2,349 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #7,178 | #5,637 | 14,005 | (460W) leads by 1,541 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #6,157 | #5,255 | 14,005 | (460W) leads by 902 places | ## Questions ### Which panel is better: Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W) or Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (460W)? According to our database: **Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (**460 W**)** has higher module efficiency (**23.02%** vs **22.52%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W) and Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (460W)? **Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (**450 W**)** has a module efficiency of **22.52%**, while **Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (**460 W**)** is **23.02%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W) use vs Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (460W)? **Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (**450 W**)** uses **TOPCon** cells; **Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (**460 W**)** 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 Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W) and Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (460W)? **Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (**450 W**)** has a **30 years** power warranty; **Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (**460 W**)** 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. ## Related comparisons - [Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W) vs Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (475W)](https://comparepv.com/compare/jinkosolar-jkm450-475n-48hl4m-db-z2-en-450w/jinkosolar-jkm450-475n-48hl4m-db-z2-en-475w) - 5 differences, the largest is module efficiency - [Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W) vs Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (470W)](https://comparepv.com/compare/jinkosolar-jkm450-475n-48hl4m-db-z2-en-450w/jinkosolar-jkm450-475n-48hl4m-db-z2-en-470w) - 4 differences, the largest is module efficiency - [Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W) vs Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (465W)](https://comparepv.com/compare/jinkosolar-jkm450-475n-48hl4m-db-z2-en-450w/jinkosolar-jkm450-475n-48hl4m-db-z2-en-465w) - 3 differences, the largest is module efficiency - [Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W) vs Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (455W)](https://comparepv.com/compare/jinkosolar-jkm450-475n-48hl4m-db-z2-en-450w/jinkosolar-jkm450-475n-48hl4m-db-z2-en-455w) - One difference: module efficiency - [Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W) vs Jinko Solar JKM710-735N-66HL5-BDV-Z3-EU (735W bin)](https://comparepv.com/compare/jinkosolar-jkm450-475n-48hl4m-db-z2-en-450w/jinkosolar-jkm710-735n-66hl5-bdv-z3-eu-735w-bin) - 14 differences, the largest is module efficiency - [Jinko Solar JKM450-475N-48HL4M-DB-Z2-EN (450W) vs Jinko Solar JKM735N-66HL5-BDV-Z3-EU](https://comparepv.com/compare/jinkosolar-jkm450-475n-48hl4m-db-z2-en-450w/jinko-solar-jkm735n-66hl5-bdv-z3-eu) - 14 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/jinkosolar-jkm450-475n-48hl4m-db-z2-en-450w/jinkosolar-jkm450-475n-48hl4m-db-z2-en-460w 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.