Viettel vs MobiFone vs VinaPhone: Which Mobile Network Is Best in Vietnam (2026)?
Our team has traveled extensively across Vietnam, from Hanoi and Ha Long Bay to Hue, Mai Chau, the central highlands and the south, and we have used and tested Viettel, MobiFone and VinaPhone in different parts of the country. Different team members encountered the networks in different locations and travel conditions, which is useful because the differences become much clearer once you leave the easiest city-center environments.
We do not treat one person’s signal in one place as proof that a network is best everywhere. Instead, we combine those firsthand experiences from different parts of Vietnam with the latest independent Opensignal and nPerf measurements. That gives a much better picture of what matters in practice: not only raw speed, but also how far the network reaches and how dependable it remains while you are moving around the country.
Some links below are affiliate links. If you buy through them, I may earn a commission at no extra cost to you.
Our team has used Viettel, MobiFone and VinaPhone in different parts of Vietnam, with different people testing them in different locations rather than relying on one phone in one city. Those firsthand experiences help us judge what matters to travelers, while the Opensignal and nPerf data below gives the broader national context.
Viettel, MobiFone or VinaPhone?
For a trip that covers several parts of Vietnam, I would prioritize Viettel. Opensignal gives it a much higher Coverage Experience score than MobiFone or VinaPhone, and it also leads the same report on reliability. But that does not mean Viettel is the fastest network in every test. nPerf’s latest Vietnam barometer puts VinaPhone first overall, while MobiFone recorded the highest average download speed of the three. The right choice depends on whether you care most about reach or peak performance.
If you want a travel eSIM before arrival, Orange Travel currently lists Viettel among its available Vietnam networks, alongside several other local operators.
Check Orange Travel Vietnam plansThe important difference: coverage, speed and availability are not the same thing
This is the part that gets lost in many Vietnam SIM comparisons. A network can be very fast where it has a strong connection and still cover fewer of the places you travel through. Another can reach much farther across the country without producing the highest average speed.
Opensignal and nPerf measure different things, over different periods, using different methodologies. That is useful rather than confusing, because together they show why there is no honest one-number answer to “which Vietnam network is best?”
| Metric | Viettel | MobiFone | VinaPhone | What it means for travelers |
|---|---|---|---|---|
| Opensignal Coverage Experience | 8.4 / 10 | 4.3 / 10 | 5.3 / 10 | Viettel has the clearest advantage for geographic reach in places people live, work and travel. |
| Opensignal Reliability Experience | 876 | 820 | 793 | Viettel also leads on maintaining a usable connection for common mobile tasks. |
| Opensignal Availability | 95.1% | 98.4% | 96.4% | MobiFone users spent the highest share of time connected, which is not the same thing as covering the widest geography. |
| nPerf overall score | 71,703 | 68,288 | 74,587 | VinaPhone leads nPerf’s combined performance score. |
| nPerf average download | 76.48 Mbps | 87.27 Mbps | 86.24 Mbps | MobiFone and VinaPhone can be very fast where they have a strong connection. |
| nPerf average upload | 19.88 Mbps | 21.11 Mbps | 22.75 Mbps | VinaPhone has the strongest upload result in this dataset. |
Opensignal data was collected from 1 June to 29 August 2025. nPerf’s 2026 barometer covers 1 April 2025 to 31 March 2026. These are national measurements, not guarantees for a specific road, hotel or mountain valley.
MobiFone scores highest for Availability in Opensignal’s report, yet much lower than Viettel for Coverage Experience. That is not a contradiction. Availability measures how much time users have a connection, while Coverage Experience looks at the extent of the network across the places people are expected to live, work and travel. For a city-based traveler, MobiFone can therefore feel excellent. For a long route through rural and mountain areas, Viettel’s wider reach becomes more valuable.
In Hanoi, all three major networks can be perfectly usable. The differences become more important once a Vietnam trip starts covering very different kinds of terrain.
Which network fits your Vietnam trip?
Viettel
My starting choice for a route that combines cities, rural areas, mountain roads and long transfers.
VinaPhone or MobiFone
Both become much more competitive when Hanoi, Da Nang and Ho Chi Minh City make up most of the itinerary.
VinaPhone
nPerf puts VinaPhone first overall and gives it the strongest upload result of the three.
Viettel: the network I would prioritize for a varied Vietnam itinerary
Viettel’s advantage is not that it wins every speed test. It does not. Its strength is reach. Opensignal’s Coverage Experience score of 8.4 is far ahead of VinaPhone’s 5.3 and MobiFone’s 4.3, and Viettel also leads its Reliability Experience measure.
That matches what our team has seen on the ground. Our Vietnam travel has not been limited to city centers. We have used mobile data in places such as Mai Chau and the central highlands, where the useful question is not whether a network can hit a huge speed in Hanoi. What matters is whether you can still open a map, send a message or check your next stop when the surroundings become much more rural.
For Sapa, Lao Cai and the northern mountains, that coverage advantage becomes even more important. I keep the detailed northern advice in my Sapa and northern Vietnam eSIM guide rather than repeating the same destination-specific recommendations here.
Mai Chau is a good example of why I care more about geographic reach than headline speed when comparing Vietnamese networks.
VinaPhone: the strongest all-round performance result
VinaPhone deserves more credit than it gets in many tourist comparisons. nPerf names it the overall mobile internet performance leader in Vietnam for the April 2025 to March 2026 measurement period. It also records the lowest average latency and the strongest average upload speed of the three networks in that study.
Our team has also had good experiences with VinaPhone in major destinations, and for a trip centered on Hanoi, Ho Chi Minh City, Da Nang, Hue or other established stops, it is a very serious option. It can also suit remote workers who care about uploads and general responsiveness more than having the widest possible footprint.
The trade-off is coverage reach. Opensignal’s 5.3 Coverage Experience score is comfortably above MobiFone’s but still well below Viettel’s 8.4. For a city trip, that may barely matter. For a trip that mixes city stays with rural homestays, mountains and long road journeys, I would still lean toward Viettel.
Hue is the kind of established destination where I would be comfortable considering any of the three major networks rather than choosing on coverage reputation alone.
MobiFone: faster than its reputation suggests
MobiFone is often described online as the weak third choice, but that does not match the full picture from either the data or our team’s experience. Different team members have used MobiFone in urban and tourist areas where it performed perfectly well. In nPerf’s 2026 barometer, MobiFone records the highest average download speed at 87.27 Mbps, while Opensignal gives it the highest Availability result.
Where it loses ground is geographic reach. Opensignal’s Coverage Experience score is 4.3, roughly half Viettel’s. That is why I would happily consider MobiFone for a city-heavy itinerary but would be more cautious if I were planning mountains, national parks or a lot of rural travel.
In other words, MobiFone is not “slow.” It can be very fast. The question is whether its footprint matches your route.
Phong Nha is a good reminder that a national speed ranking tells only part of the story once your route includes national parks and more rural stretches.
What I would choose for common Vietnam itineraries
| Trip | Network I would check first | Why |
|---|---|---|
| Hanoi + Sapa + Ha Giang | Viettel | Coverage reach matters much more than peak city speed. |
| Hanoi + Da Nang + Ho Chi Minh City | VinaPhone, MobiFone or Viettel | All three are credible in major cities, so price and plan conditions matter more. |
| Full north–south trip | Viettel | I would trade a little theoretical speed for the stronger coverage margin. |
| Remote work mainly in cities | VinaPhone | Strong nPerf overall score, upload performance and latency. |
| Short urban trip with a good MobiFone deal | MobiFone | Its speed and availability results are strong enough that I would not pay extra automatically. |
| Phu Quoc as the main destination | Check the island specifically | Use my Phu Quoc eSIM guide rather than relying on a national average. |
Around Dalat and the central highlands, local terrain matters much more than a speed test taken in one of Vietnam’s biggest cities.
How I check coverage before going somewhere remote
National averages are useful, but they cannot tell you what happens at one guesthouse or on one road through the mountains. Our team checks the actual route and local conditions rather than assuming a national score applies equally everywhere.
Check the overnight stops
I start with every place where I will sleep rather than only looking at the nearest city.
Check the roads between them
The dead zone that matters is often the one encountered during a four-hour transfer, not the one beside the hotel.
Use a crowd-sourced coverage map carefully
The nPerf Vietnam coverage map can be useful, but blank areas can simply mean no one has recently contributed measurements there.
Ask the accommodation
For a mountain homestay or isolated lodge, the host often knows exactly which operator currently works at the property.
Keep offline maps anyway
No operator gives perfect coverage everywhere in Vietnam. I download the important route information before leaving a well-connected area.
What this means when you buy a Vietnam eSIM
An international eSIM company does not build mobile towers in Vietnam. It gives you access to one or more local networks. That is why I always look past the eSIM brand and check the network list for the exact package.
If you want Viettel access before you land
Orange Travel currently lists Viettel together with VNPT, MobiFone, GTEL and Vietnamobile for its Vietnam eSIM. That makes it useful if you want a travel eSIM but still want Viettel included among the available local networks.
I keep the full provider comparison, prices and data-package recommendations in my best eSIM for Vietnam guide. This page stays focused on the Vietnamese networks themselves.
Check Orange Travel Vietnam plansNomad currently lists Vietnamobile, MobiFone and VinaPhone on its Vietnam product page. If you already prefer Nomad, you can check the current Nomad Vietnam plans, but I would not assume that a Nomad plan gives you Viettel unless the product page explicitly says so.
Yesim advertises automatic connection to an available partner network, but its current Vietnam product information is less specific about the individual Vietnamese operators. You can check the current Yesim Vietnam options. Maya’s coverage directory currently lists MobiFone for Vietnam; its plans are available through Maya Mobile Vietnam.
If you are still deciding whether to arrange data before departure or buy locally after landing, see my Vietnam eSIM vs local airport SIM comparison. If you specifically need a Vietnamese phone number, use my guide to Vietnam eSIMs with a local phone number. For heavy data use, I compare the best unlimited data eSIMs for Vietnam separately.
Vietnam mobile network FAQs
Is Viettel really the best network in Vietnam?
For a varied travel itinerary, it is the network I would prioritize because Opensignal gives Viettel a much higher Coverage Experience score than MobiFone or VinaPhone and also ranks it first for Reliability Experience. That does not mean Viettel is fastest in every test. VinaPhone leads nPerf’s latest overall score, while MobiFone records the highest average download speed.
Is VinaPhone better than Viettel?
It depends on what “better” means. VinaPhone leads nPerf’s overall mobile performance score and has strong upload and latency results. Viettel has a much stronger Opensignal Coverage Experience score. I would lean toward VinaPhone for a city-heavy performance-focused trip and Viettel for a more varied route.
Is MobiFone good for tourists?
Yes. MobiFone has very strong speed results and the highest Availability figure in Opensignal’s September 2025 report. I would be comfortable using it on a city-focused trip. I would be more cautious on a route with lots of mountains or rural travel because its Coverage Experience score is substantially lower than Viettel’s.
Why can MobiFone have high availability but lower coverage?
The measurements answer different questions. Availability measures the percentage of time users have a connection. Coverage Experience measures the extent of the network across the places people live, work and travel. A network can therefore keep urban users connected most of the time while still reaching fewer remote areas.
Which Vietnam network is best for Sapa and Ha Giang?
I would start with Viettel because geographic reach matters most in the northern mountains. No operator gives continuous service on every mountain road, so keep offline maps. For a deeper destination-specific breakdown, see my Sapa and northern Vietnam eSIM guide.
Does a travel eSIM get the same performance as a local SIM on the same network?
Not necessarily. A travel eSIM can use the same radio network and towers but still have different routing, roaming priority, speed limits or 5G access. Sharing the same host network does not guarantee identical performance.
Can I manually switch my travel eSIM to Viettel?
Only if Viettel is included in that eSIM’s roaming agreement and the plan allows manual network selection. Seeing Viettel in the phone’s network list does not mean the eSIM is authorized to connect to it.
Is 5G important for a Vietnam trip?
For most travelers, stable 4G is more useful than chasing 5G. Maps, Grab, messaging, browsing and accommodation apps all work well on a solid 4G connection. On mountain and rural routes, coverage reach matters more than the 5G icon.
How do I see which Vietnamese network my eSIM is using?
On iPhone, open Settings, Cellular or Mobile Service, select the eSIM and open Network Selection. On Android, look under Network and Internet or Connections, select the eSIM and open Mobile Networks. Menu names vary by device.
My choice for a real Vietnam itinerary
Based on our team’s testing across different parts of Vietnam, we would still prioritize Viettel for an itinerary that combines cities, rural northern Vietnam, central Vietnam and long journeys between regions. The reason is not that Viettel wins every performance metric. It does not. Its advantage is that the stronger coverage and reliability measurements line up with what we have found most useful when traveling through a country as varied as Vietnam.
For a trip focused mainly on Hanoi, Da Nang and Ho Chi Minh City, the decision is much closer. Our team has used all three networks in different places, and both VinaPhone and MobiFone can perform very well in major destinations. VinaPhone’s overall nPerf result is excellent, while MobiFone’s speed and availability results are strong enough that we would compare the actual plan and price rather than dismissing either network automatically.
That is the useful distinction: Viettel for reach, VinaPhone for the strongest all-round nPerf performance, and MobiFone as a genuinely competitive city option. Our own testing supports that route-based approach, while the independent data helps keep the comparison grounded beyond any one person’s experience.
Independent data: Opensignal Vietnam Mobile Network Experience, September 2025, based on measurements collected from 1 June to 29 August 2025.
Performance data: nPerf Barometer of Mobile Internet Connections in Vietnam, April 2026, covering 1 April 2025 to 31 March 2026.
National benchmarks cannot guarantee performance at a specific hotel, mountain road or island location. Provider network partnerships can also change, so check the exact eSIM package before buying.
Last Updated on 23/09/2026 by Panos
