Bitdefender vs Malwarebytes
Bitdefender is a comprehensive security suite that tops AV-TEST benchmarks. Malwarebytes started as a cleanup tool and evolved into a full antivirus. They serve different use cases — this comparison helps you know which you actually need.
Bottom Line: Bitdefender wins on detection scores, features, and multi-device value. Malwarebytes wins on lightweight performance and is an excellent supplement to Windows Defender rather than a replacement. Run both on the same machine if you want maximum coverage.
Feature Comparison
| Feature | Bitdefender Total Security | Malwarebytes Premium | Edge |
|---|---|---|---|
| Price (1 device/yr) | $23.99 | $44.99 | Bitdefender |
| Price (5 devices/yr) | $39.99 | $79.99 | Bitdefender |
| AV-TEST protection score | 6.0 / 6.0 (perfect) | Opts out of AV-TEST | Bitdefender |
| Real-time protection | Yes | Yes (Premium) | Tie |
| Ransomware rollback | Yes | Yes (Premium) | Tie |
| Firewall | Yes | No | Bitdefender |
| VPN included | Yes (200MB/day free; unlimited with Premium VPN add-on) | Yes (with Teams/Ultimate add-on) | Bitdefender |
| Parental controls | Yes | No | Bitdefender |
| Mac support | Yes | Yes | Tie |
| Android/iOS | Yes | Yes | Tie |
| PUP/adware detection | Good | Excellent (strongest in class) | Malwarebytes |
| Performance impact | Very low (6/6 AV-TEST) | Minimal (lightweight) | Tie |
| Runs alongside other AV | Not recommended | Yes (designed for this) | Malwarebytes |
| Browser extensions | Bitdefender TrafficLight | Browser Guard | Tie |
| Safe banking mode | Yes (Safepay browser) | No | Bitdefender |
| Free version | Yes (on-demand scan) | Yes (no real-time) | Tie |
Category-by-Category Winner
Round 1: Independent Lab Detection Scores
Bitdefender consistently earns perfect 6/6 scores in AV-TEST protection, performance, and usability — 18/18 total. It detects 100% of widespread malware and 99.9%+ of zero-day threats in testing. Malwarebytes opts out of AV-TEST certification, making direct lab comparison impossible. Independent security researchers generally rate Bitdefender's detection engine as best-in-class. For users who want verified detection benchmarks, Bitdefender is the clear answer.
Round 2: Price and Multi-Device Value
Bitdefender Total Security covers 5 devices for $39.99/year. Malwarebytes Premium covers 1 device for $44.99/year or 5 devices for $79.99/year. For families with multiple devices (the typical case), Bitdefender is roughly half the cost for equivalent coverage. Bitdefender also includes parental controls, a firewall, and Safepay that Malwarebytes requires separate products to replicate.
Round 3: PUP and Adware Detection
Malwarebytes is historically the best product at detecting potentially unwanted programs (PUPs), adware, browser hijackers, and bundleware — the gray-area software that traditional AV often ignores. This is Malwarebytes' founding competency, and it remains unmatched. If you've already been hit by browser redirects, adware, or toolbar-style infections, Malwarebytes is the go-to remediation tool.
Round 4: Features and Ecosystem
Bitdefender Total Security includes a firewall, parental controls, Safepay secure browser for banking, microphone/webcam protection, anti-tracking, a VPN (200MB/day free), and multi-platform support. Malwarebytes Premium covers the core — real-time protection, ransomware shield, web protection — and does it well, but lacks the comprehensive feature depth of Bitdefender. If you want one product to cover everything, Bitdefender is it.
Round 5: Compatibility and Running Alongside Other AV
Malwarebytes is intentionally designed to run alongside Windows Defender or another primary AV without conflicts. This is by design — many IT professionals run Windows Defender (free, built-in, good enough) as primary protection and Malwarebytes as a second-opinion scanner. If you're already satisfied with Windows Defender and just want a supplementary layer, Malwarebytes Premium adds value without replacing what you have.
Round 6: Performance Impact
Both products have minimal real-world performance impact on modern hardware. Bitdefender earns 6/6 performance score in AV-TEST (the best possible rating). Malwarebytes is deliberately lightweight — it uses cloud-based detection to minimize local processing. On machines with 8GB+ RAM and a modern CPU, neither is perceptible during normal use. Both schedule heavy scans for off-hours by default.
Who Should Choose Which
Choose Bitdefender if you...
- Want independently verified detection benchmarks
- Need to cover 3+ devices cost-effectively
- Want a firewall, parental controls, and VPN in one product
- Have Mac, Android, or iOS devices to protect
- Do online banking and want Safepay
- Want a single product that covers everything
Choose Malwarebytes if you...
- Already use Windows Defender and want a supplement
- Have been hit by adware, PUPs, or browser hijackers
- Want lightweight protection that doesn't interfere with your setup
- Protect only 1-2 devices and budget isn't a factor
- IT professionals: use for remediation alongside corporate AV
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Frequently Asked Questions
Is Malwarebytes a real antivirus?
Malwarebytes Premium is a fully functional real-time antivirus, not just a cleanup tool. It offers real-time malware protection, ransomware protection, and web protection. However, it lacks some features full suites offer: no firewall, no parental controls, no VPN in the base tier, and it opts out of AV-TEST certification. Malwarebytes is particularly strong at removing existing infections — which is why IT professionals often use it alongside another AV.
Which has better detection rates: Bitdefender or Malwarebytes?
Bitdefender consistently scores 99.9-100% in AV-TEST real-world protection tests. Malwarebytes opts out of AV-TEST testing, making direct comparison difficult. In independent reviews, Bitdefender's detection is broader — particularly for zero-day threats. Malwarebytes excels at detecting PUPs and adware that traditional AV often misses.
Can I run Malwarebytes alongside another antivirus?
Malwarebytes is designed to run alongside other antivirus products without conflict. Running Windows Defender or Bitdefender as primary AV plus Malwarebytes as a secondary scanner is common in IT environments. If you run Malwarebytes Premium (real-time) alongside another real-time AV, disable one of the real-time shields to avoid performance conflicts.
Is Bitdefender worth the price over Malwarebytes?
For most users yes. Bitdefender Total Security at $39.99/year for 5 devices covers Windows, Mac, Android, and iOS with a VPN, parental controls, firewall, and ransomware remediation. Malwarebytes is excellent value at $44.99/year for 1 device if you want lightweight protection or already have Windows Defender for baseline coverage.
✅ Our Pick: Bitdefender
Superior malware detection, lower performance impact.
$29.99/yr
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