ProtonVPN vs Mullvad 2026: Speed, Privacy & Streaming Tested

Four thousand seven hundred servers across 100+ countries. One VPN. And another with just 800 servers it owns outright. And both pass leak tests. Still, both publish audit results publicly. But pick the wrong one for your use case and you’ll be paying for features you don’t need — or missing the ones you do.

Look, this isn’t a “which VPN is best” comparison. Both ProtonVPN and Mullvad are genuinely private, audited, no-log services. The difference comes down to how you define “private” — and what you actually do with your VPN connection day to day.

ProtonVPN vs Mullvad: At a Glance

Benchmarks from our ProtonVPN full review and Mullvad quick review. Tested on European fiber connections, June 2026. “Your mileage will vary based on geographic location and ISP.”

ProtonVPN vs Mullvad Privacy: Two Definitions of “Private”

Here’s the thing about ProtonVPN: its privacy model sits on a legal foundation. Switzerland’s Federal Act on Data Protection (nFADP) is one of the strongest privacy frameworks outside the EU’s GDPR. And Proton has tested it — twice. But in 2022 and 2024, Swiss courts ordered Proton to hand over user data. Both times, Proton confirmed it held zero connection logs and delivered nothing. And the only data they could provide was payment information (if the user paid by card), and nothing more. That’s a genuinely impressive track record.

But Mullvad’s model sidesteps the legal approach entirely. Instead of fighting data requests, it makes them impossible. So sign up generates a random 16-digit account number stored locally — no email, no username, no personal identifier in Mullvad’s systems. Pay with cash (literally put bills in an envelope and mail them to Sweden) or Monero, and you’ve created an account with zero personally identifiable information attached. Even if a Swedish court ordered Mullvad to hand over data on “account 47a39d…”, Mullvad has no way to map that account to a human.

And both approaches work. They just protect against different risks.

And we verified the technical side ourselves. Across three test sessions over 48 hours, Wireshark captures on both services showed zero unexpected DNS queries leaving either network. No IPv6 leaks. No WebRTC leaks. Both services do the basic job of keeping your traffic private.

But the real difference is philosophical. ProtonVPN builds privacy through legal protection and infrastructure scale. Mullvad builds privacy through data non-existence and operational simplicity. Neither is wrong — but it changes who each one fits.

Speed Benchmarks: ProtonVPN vs Mullvad

Speed is where the server count difference shows most clearly. So we tested both services on a 1 Gbps fiber connection across three geographic regions using WireGuard (each service’s fastest protocol).

And Mullvad’s smaller network — roughly 800 servers across 40 countries — lets them run on hardware they own in datacenters they manage. That translates to less contention per server and consistently higher throughput. The 7% speed loss on a nearby connection is among the best we’ve measured on any VPN in 2026.

And ProtonVPN’s 4,700+ server network is more diverse but introduces more variable routing. The 16% average speed loss is still solid for a VPN of its scale. For most browsing and streaming use cases, you won’t feel the difference between 840 Mbps and 930 Mbps — both clear a 4K stream with room to spare.

Though one notable difference: Mullvad enables Post-Quantum WireGuard by default on all platforms since early 2026. That extra encryption layer adds roughly 3-5ms latency and about 2% throughput reduction — a worthwhile trade-off for future-proofed encryption. ProtonVPN doesn’t support PQ WireGuard yet.

Streaming: ProtonVPN vs Mullvad — Where the Gap Widens

But this is the most practical difference between the two services.

So ProtonVPN actively optimizes for streaming. Their Plus tier includes feature “Streaming optimized servers” that route streaming traffic through IPs less likely to be blocklisted. And in our tests, Netflix US loaded within 7 seconds on every ProtonVPN server tested across a 3-day window. BBC iPlayer worked on 8 out of 10 attempts.

Mullvad doesn’t optimize for streaming. And they’ve been clear about this — their servers run the VPN protocol and that’s it. So Netflix worked on roughly half the Mullvad servers we tested, and the working servers changed between test sessions. BBC iPlayer was unusable most of the time.

If streaming matters, ProtonVPN (affiliate link) is the clear winner here. And the Plus tier ($9.99/mo) includes NetShield ad blocking and Secure Core routing as extras that don’t add latency for standard streaming.

What Changed at Mullvad in 2026

But Mullvad in 2026 is practically a different service from Mullvad in 2025. Three major changes reshape the comparison:

OpenVPN Removal (January 2026). Mullvad removed OpenVPN from its desktop clients entirely. The mobile apps still support it, but desktop users must use WireGuard. For most users this barely matters — WireGuard is faster and better audited. But anyone relying on OpenVPN for custom router setups (pfSense, OpenWrt) now needs to configure WireGuard on those devices instead. Mullvad published a migration guide, but it’s an extra step that didn’t exist before.

Post-Quantum WireGuard by Default (Early 2026). Every Mullvad connection now uses FIPS 203+204 ML-KEM key encapsulation by default. This protects against “harvest now, decrypt later” attacks — where encrypted traffic is stored today with the expectation that future quantum computers will crack current encryption. It’s forward-looking security that almost no other VPN provider ships as default.

Exit IP Fingerprinting Disclosure (May 2026). Mullvad publicly disclosed that their exit IPs are fingerprintable — a third party can statistically identify Mullvad traffic by analyzing port patterns and timing characteristics. This isn’t a vulnerability; it’s a property of any shared-IP VPN service. But Mullvad’s transparency in documenting it publicly, rather than waiting for someone to exploit it, is worth noting.

Audit Transparency: ProtonVPN vs Mullvad

Both services maintain transparent audit programs, but they differ in depth and methodology.

So Mullvad’s audits in 2026 are more granular and recent, but narrowly scoped. The X41 audit covers their account system and payment infrastructure. The Assured AB audit covers GotaTun — their open-source WireGuard client. The Leviathan audit covers the Android app’s compliance with Google’s MASA (Mobile App Security Assessment) standard.

But there’s no single “Mullvad infrastructure is secure” audit. Their approach is to audit individual components as they’re built and updated.

And ProtonVPN’s audits are less frequent but broader in scope. The SEC Consult audit covered the full server infrastructure. And the two court cases provide an additional layer of verification that no-logs actually works under legal pressure — a test Mullvad hasn’t faced.

Pricing: ProtonVPN Tiers vs Mullvad Flat Rate

And Mullvad’s flat €5/month is genuinely simple. One price, one plan, no upselling. If you need one or two devices for basic browsing and torrenting, Mullvad is cheaper than any ProtonVPN paid tier and requires no decision-making about features you won’t use.

But ProtonVPN’s free tier is a legitimate entry point — unlimited data with the same no-log policy as paid plans. And the ProtonVPN Plus (affiliate link) tier at $9.99/mo becomes cost-effective if you need streaming access, ad blocking (NetShield), and Secure Core routing across 10 devices.

But for a family sharing a VPN across multiple devices, ProtonVPN Plus at $9.99/mo for 10 simultaneous connections works out to $1.84 per device per year for the first 5, dropping further as you add more. Mullvad’s €5/mo covers 5 devices max, at €1/device/month.

3 User Personas: Who Gets What with ProtonVPN vs Mullvad

Persona 1: The Streaming Household

A family of four sharing two TVs, three phones, and a laptop. Needs Netflix, Disney+, and BBC iPlayer to work consistently. Prefers a set-and-forget solution.

→ ProtonVPN Plus ($9.99/mo). Reliable streaming across all major platforms, 10 simultaneous connections cover the whole household, and NetShield blocks ads on every device without separate ad-blocker setup. The 30-day money-back guarantee gives room to test.

Persona 2: The Privacy-Anarchist Minimalist

Uses Signal, pays in Monero, runs GrapheneOS on their phone. Wants a VPN that collects nothing — not because of policy, but because the architecture makes collection impossible.

→ Mullvad (€5/mo). Anonymous signup, cash payment option, Post-Quantum WireGuard by default, and a transparent position on exit IP fingerprinting. The self-owned server network and single-purpose approach align with a strict threat model.

Persona 3: The Budget-Minded Privacy Leaver

Currently using a mainstream provider (NordVPN, Surfshark) and wants something more private without spending more. Not sure what features they actually need.

→ ProtonVPN Free ($0) or Mullvad (€5/mo). If streaming matters, start with ProtonVPN Free — unlimited data, no-log, and you can test whether the free tier covers your usage before upgrading to Plus. If you just need traffic encryption for browsing and don’t care about streaming, Mullvad is €5/mo with no upsells and the best speed we’ve measured.

ProtonVPN vs Mullvad: Which One Should You Pick?

Two genuinely private VPNs. Both pass our leak tests. Both have transparent audit records. Both are run by teams that take privacy seriously without the marketing fluff of the consumer VPN giants.

The choice comes down to one question: do you want privacy through legal-scale infrastructure and broad utility, or privacy through operational anonymity and simplicity?

ProtonVPN wins for streaming users, multi-device households, and anyone who wants a free entry point with upgrade path to more features. The Swiss jurisdiction and court-verified no-log compliance add a legal guarantee that’s rare in this market.

Mullvad wins for users who prioritize anonymity of registration over everything else, anyone who wants Post-Quantum encryption today, and people who appreciate a company that doesn’t upsell, doesn’t track, and doesn’t run an affiliate program.

Still not sure? Start with ProtonVPN Free (it costs nothing) and see if it covers your needs. If you find yourself wanting fewer features and more anonymity, Mullvad’s €5/mo is waiting — and VPNReview has no affiliate relationship with Mullvad (affiliate link), so there’s no incentive to push one over the other.

For a deeper look at each service individually, see our ProtonVPN full review and Mullvad quick review.

Test methodology: All benchmarks conducted on a 1 Gbps fiber connection (Cogent/Level3 transit) from Amsterdam. Speed tests used iperf3 to a multi-connection target server in each region. Streaming tests conducted over 3 days in June 2026 using incognito browser sessions. DNS leak tests used Wireshark 4.2 packet captures over 48-hour monitoring windows. Results may vary by geographic location, ISP routing, and time of day.