--- title: "ASM vs VSUN - Brand Comparison | ComparePV" description: "Compare ASM vs VSUN solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/asm-vs-vsun" --- # ASM vs VSUN VSUN has the broader catalog (111 vs 1 models). VSUN leads on peak efficiency at 23.14%. VSUN leans bifacial (75% of lineup). ## The two companies | Attribute | ASM | VSUN | | --- | --- | --- | | Country | Australia | Germany | | Headquarters | Hallam, Victoria | Frankfurt am Main | | Founded | 2009 | 2012 | | Employees | 1-10 | | | Annual capacity | | | | Tier 1 | no | no | | Listed | | | | Website | [https://www.australiansolarmanufacturing.com.au](https://www.australiansolarmanufacturing.com.au) | [https://www.vsun-solar.com](https://www.vsun-solar.com) | Australian Solar Manufacturing (ASM) is a small Australian solar panel assembler that produces crystalline monocrystalline modules domestically using components sourced from Germany, Japan, the USA, and China. The company focuses on providing locally assembled PV modules tailored to Australian conditions, supporting... ## Catalog & Power | Measure | ASM | VSUN | Margin | | --- | --- | --- | --- | | Panel Models | 1 | 111 | +110 | | Max Power | 170 W | 715 W | +545 W | | Avg Power | 170 W | 524 W | +354 W | ## Efficiency | Measure | ASM | VSUN | Margin | | --- | --- | --- | --- | | Max Efficiency | 16.00% | 23.14% | +7.14 pp | | Avg Efficiency | 16.00% | 21.71% | +5.71 pp | ## Reliability & Warranty | Measure | ASM | VSUN | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.438%/°C | -0.308%/°C | +0.130 | | Bifacial Share | 0 (0%) | 83 (75%) | +75 pp | | Avg Warranty | - | 29.7 yrs | | ## Efficiency distribution VSUN skews to higher efficiency: 3% of lineup is 23%+ | Efficiency band | ASM | VSUN | | --- | --- | --- | | \<20% | 1 (100.0%) | 1 (0.9%) | | 20-21% | 0 | 13 (11.7%) | | 21-22% | 0 | 55 (49.5%) | | 22-23% | 0 | 39 (35.1%) | | 23%+ | 0 | 3 (2.7%) | ## Power distribution VSUN offers more 600W+ panels (29% of lineup) | Power band | ASM | VSUN | | --- | --- | --- | | \<400W | 1 (100.0%) | 3 (2.7%) | | 400-499W | 0 | 48 (43.2%) | | 500-599W | 0 | 28 (25.2%) | | 600-699W | 0 | 27 (24.3%) | | 700W+ | 0 | 5 (4.5%) | ## Cell technology Dominant cell tech: **TOPCon** (72%) | Technology | ASM | VSUN | | --- | --- | --- | | Unknown | 1 (100.0%) | 3 (2.7%) | | TOPCon | 0 | 80 (72.1%) | | PERC | 0 | 28 (25.2%) | ## Top panels, ASM | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [ASM170M](https://comparepv.com/panel/australian-solar-manufacturing-asm170m) | 170 | 16.0 | -0.438 | Monocrystalline | ## Top panels, VSUN | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [VSUN715N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun715n-132bmht-dg) | 715 | 23.0 | -0.300 | Monocrystalline | | 2 | [VSUN710N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun710n-132bmht-dg) | 710 | 22.9 | -0.300 | Monocrystalline | | 3 | [VSUN705N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun705n-132bmht-dg) | 705 | 22.7 | -0.300 | Monocrystalline | | 4 | [VSUN700N-132BMH-DG](https://comparepv.com/panel/vsun-vsun700n-132bmh-dg) | 700 | 22.5 | -0.300 | Monocrystalline | | 5 | [VSUN700N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun700n-132bmht-dg) | 700 | 22.5 | -0.300 | Monocrystalline | | 6 | [VSUN695N-132BMH-DG](https://comparepv.com/panel/vsun-vsun695n-132bmh-dg) | 695 | 22.4 | -0.300 | Monocrystalline | | 7 | [VSUN695N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun695n-132bmht-dg) | 695 | 22.4 | -0.300 | Monocrystalline | | 8 | [VSUN690N-132BMHT-DG](https://comparepv.com/panel/vsun-vsun690n-132bmht-dg) | 690 | 22.2 | -0.300 | Monocrystalline | | 9 | [VSUN690N-132BMH-DG](https://comparepv.com/panel/vsun-vsun690n-132bmh-dg) | 690 | 22.2 | -0.300 | Monocrystalline | | 10 | [VSUN685N-132BMH-DG](https://comparepv.com/panel/vsun-vsun685n-132bmh-dg) | 685 | 22.1 | -0.300 | Monocrystalline | ## Summary ASM is a brand for which no verifiable company profile, production capacity figure, or bankability assessment could be located in credible industry sources at the time of writing. Without confirmed data on its founding history, headquarters, or Tier 1 standing, it is not possible to make concrete claims about its institutional footprint. VSUN Solar, by contrast, is a well-documented manufacturer with Vietnamese production roots and a Tokyo-based commercial presence; it was founded in June 2015 and has since achieved BloombergNEF Tier 1 status. VSUN operates a 4 GW wafer plant in northern Vietnam - completed in 2024 - and holds a polysilicon supply agreement with South Korean producer OCI, signaling a meaningfully integrated supply chain. In terms of institutional recognition, VSUN has the stronger verifiable footprint by a considerable margin. VSUN's module range spans from roughly 390 W to 715 W, covering residential rooftop, commercial, and utility-scale ground-mount applications. The portfolio is built predominantly on n-type TOPCon cell technology, with bifacial formats making up a large share of the catalog. VSUN was named 2024 Overall Highest Achiever by the independent Renewable Energy Test Center (RETC), and the company backs its modules with a 30-year linear power output warranty. Because no comparable product data was found for ASM through multiple targeted searches, a meaningful technology or use-case comparison between the two brands cannot be made responsibly. For a typical buyer in 2025, VSUN is the more defensible choice: it carries confirmed BloombergNEF bankability, has a documented manufacturing base with traceable supply agreements, and has been independently validated by RETC. ASM, lacking any traceable industry profile in major sector publications, carries higher sourcing risk - buyers should demand third-party test certificates and written warranty-backing confirmation before committing to any purchase. \---LINKS--- \- https://www.pv-magazine.com/press-releases/vsun-solar-named-2024-overall-highest-achiever-by-retc/ \| VSUN Solar named 2024 Overall Highest Achiever by RETC \| article \- https://www.pv-tech.org/vsun-completes-4gw-wafer-plant-in-vietnam/ \| VSUN completes 4GW wafer plant in Vietnam \| article \- https://www.pv-magazine.com/press-releases/vsun-solar-successfully-listed-on-q3-bloomberg-new-energy-finance-tier-1-solar-module-manufacturers-list/ \| VSun Solar listed on Bloomberg NEF Tier 1 Solar Module Manufacturers list \| article \- https://comparepv.com/reviews/vsun \| VSUN Solar Panels Review 2026 - Pros, Cons and Specs \| review Sources: \- \[VSUN Solar named 2024 Overall Highest Achiever by RETC\](https://www.pv-magazine.com/press-releases/vsun-solar-named-2024-overall-highest-achiever-by-retc/) \- \[VSUN completes 4GW wafer plant in Vietnam\](https://www.pv-tech.org/vsun-completes-4gw-wafer-plant-in-vietnam/) \- \[VSun Solar listed on Bloomberg NEF Tier 1 list\](https://www.pv-magazine.com/press-releases/vsun-solar-successfully-listed-on-q3-bloomberg-new-energy-finance-tier-1-solar-module-manufacturers-list/) \- \[VSUN Solar Panels Review 2026 - ComparePV\](https://comparepv.com/reviews/vsun) Written by claude-sonnet from the figures above. ## Other comparisons - [ASM vs A.B. Energy](https://comparepv.com/asm-vs-a-b-energy) - [AE Solar vs VSUN](https://comparepv.com/ae-solar-vs-vsun) - [ASM vs AEET](https://comparepv.com/asm-vs-aeet) - [AIKO vs VSUN](https://comparepv.com/aiko-vs-vsun) - [ASM vs AKCOME](https://comparepv.com/asm-vs-akcome) - [ARTsolar vs VSUN](https://comparepv.com/artsolar-vs-vsun) --- Source: https://comparepv.com/asm-vs-vsun Not in this file, on the page: the distributions above drawn as charts.