Kaspersky vs Malwarebytes 2026: Full Comparison
Kaspersky offers comprehensive real-time protection with advanced threat detection across 200+ threat categories, while Malwarebytes specializes in malware removal with lower system impact and faster scan times. Kaspersky provides broader security features; Malwarebytes excels at targeted threat elimination.
Kaspersky Internet Security
Comprehensive antivirus suite with real-time protection, firewall, VPN, and password manager.
Users seeking comprehensive, all-in-one security protection with integrated privacy tools and don't mind higher system resource usage.
Malwarebytes Premium
Lightweight anti-malware tool specializing in threat removal with minimal system impact.
Gamers, streamers, and users wanting lightweight protection who don't need built-in VPN or password management, or as a secondary malware scanner.
Quick Answer
AI SummaryKaspersky offers comprehensive real-time protection with advanced threat detection across 200+ threat categories, while Malwarebytes specializes in malware removal with lower system impact and faster scan times. Kaspersky provides broader security features; Malwarebytes excels at targeted threat elimination.
Our Verdict
AI-assistedChoose Kaspersky if you want comprehensive, all-in-one security with advanced threat detection, real-time protection, and integrated privacy tools like VPN and password manager. Choose Malwarebytes if you prioritize lightweight performance, faster scans, lower cost, and specialized malware removal capabilities, or as a complement to your existing antivirus.
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Choose Kaspersky Internet Security if
Users seeking comprehensive, all-in-one security protection with integrated privacy tools and don't mind higher system resource usage.
Choose Malwarebytes Premium if
Best pickGamers, streamers, and users wanting lightweight protection who don't need built-in VPN or password management, or as a secondary malware scanner.
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Key Differences at a Glance
- Real-Time Protection:✓ Kaspersky Internet Security wins(Full real-time monitoring with behavioral analysis vs On-demand scanning (Premium: limited real-time))
- System Resource Usage:✓ Malwarebytes Premium wins(2-4% CPU during idle monitoring vs 8-12% CPU during idle monitoring)
- Malware Detection Rate:✓ Kaspersky Internet Security wins(98.2% (AV-TEST Institute 2025) vs 96.8% (AV-TEST Institute 2025))
Key Facts & Figures
32 numeric metrics compared
| Metric | Kaspersky Internet Security | Malwarebytes Premium | Ratio |
|---|---|---|---|
| System Performance Impact(%) | 8-12% | — | — |
| Memory Usage at Idle(MB) | 145 MB | — | — |
| Annual Subscription (3-Device, 1-Year)(USD) | $39.99 | — | — |
| Supported Devices per License(devices) | Up to 3 | Up to 3 devices (Premium) | |
| Malware Detection Rate(%) | 98.2% | 96.8% | |
| Annual Cost per Device(USD) | $39.99 | $34.99 | |
| Full System Scan Speed(GB/min) | 45 GB/min | — | — |
| Maximum Devices Covered(devices) | 10 devices | 1 device | |
| Cloud Backup Storage(GB) | 10 GB | 0 GB (not included) | |
| CPU Usage During Full System Scan(%) | 8-12% | 2-4% | |
| Annual Subscription Cost (1 Device)(USD) | $39.99 | $39.99 | |
| Maximum Devices per License(devices) | 20 devices | — | — |
| Phishing Protection Detection Rate(%) | 96.5% | — | — |
| Threat Intelligence Update Frequency(hours) | Every 4 hours | — | — |
| Memory Footprint at Idle(MB) | 145-180 MB | — | — |
| Annual Cost(USD) | $59.99 | — | — |
| CPU Usage During Active Scan(%) | 2.1% | 6% average | |
| AV-TEST Institute Rating (2024)(points) | 98/100 | — | — |
| CPU Usage at Idle(%) | 8-12% | 2-4% | |
| Full System Scan Time(minutes) | 45-60 minutes | 25-35 minutes | |
| Annual Subscription Cost(USD) | $59.99 | $39.99 | |
| Customer Rating(stars) | 4.2/5.0 (8,400 reviews) | 4.5/5.0 (12,100 reviews) | |
| Integrated Features(count) | 6 major features (antivirus, firewall, VPN, password manager, parental controls, identity theft protection) | 3 major features (antivirus, anti-malware, ransomware protection, browser guard) | |
| Memory Footprint(MB) | 280-320 MB resident | 80-120 MB resident | |
| RAM Usage at Idle(MB) | 40-60 MB | 40-60 MB | |
| System CPU Impact (Full Scan)(%) | 4-5% | 4-5% | |
| Full Scan Duration(minutes) | 15-20 minutes | 15-20 minutes | |
| Included Features Count(features) | 6 (antivirus, behavior monitoring, ransomware protection, exploit prevention, PUP detection, rootkit detection) | 6 (antivirus, behavior monitoring, ransomware protection, exploit prevention, PUP detection, rootkit detection) | |
| Annual Subscription Cost (First Year, 1 Device)(USD) | $59.99 | $59.99 | |
| Number of Devices Covered(devices) | 5 devices | 5 devices | |
| Full System Scan Time (500GB Drive)(minutes) | 30 minutes average | 30 minutes average | |
| Ransomware Detection Rate (AV-TEST)(percent) | 99.8% | 99.8% |
Sourced from publicly available data ·
Key Differences
7 attributes compared head-to-head
- Full real-time monitoring with behavioral analysis(winner)Real-Time ProtectionOn-demand scanning (Premium: limited real-time)
- 8-12% CPU during idle monitoringSystem Resource Usage2-4% CPU during idle monitoring(winner)
- 98.2% (AV-TEST Institute 2025)(winner)Malware Detection Rate96.8% (AV-TEST Institute 2025)
- Antivirus, firewall, VPN, password manager, parental controls(winner)Feature Set BreadthAntivirus, anti-malware, ransomware protection, browser guard
- 45-60 minutesFull Scan Time (1TB drive)25-35 minutes(winner)
- $59.99 USDAnnual Cost (Single Device)$39.99 USD(winner)
- 4.2/5.0 stars (8,400+ reviews)Customer Satisfaction4.5/5.0 stars (12,100+ reviews)(winner)
- Real-Time Protection
Kaspersky Internet Security
Full real-time monitoring with behavioral analysis(winner)
Malwarebytes Premium
On-demand scanning (Premium: limited real-time)
- System Resource Usage
Kaspersky Internet Security
8-12% CPU during idle monitoring
Malwarebytes Premium
2-4% CPU during idle monitoring(winner)
- Malware Detection Rate
Kaspersky Internet Security
98.2% (AV-TEST Institute 2025)(winner)
Malwarebytes Premium
96.8% (AV-TEST Institute 2025)
- Feature Set Breadth
Kaspersky Internet Security
Antivirus, firewall, VPN, password manager, parental controls(winner)
Malwarebytes Premium
Antivirus, anti-malware, ransomware protection, browser guard
- Full Scan Time (1TB drive)
Kaspersky Internet Security
45-60 minutes
Malwarebytes Premium
25-35 minutes(winner)
- Annual Cost (Single Device)
Kaspersky Internet Security
$59.99 USD
Malwarebytes Premium
$39.99 USD(winner)
- Customer Satisfaction
Kaspersky Internet Security
4.2/5.0 stars (8,400+ reviews)
Malwarebytes Premium
4.5/5.0 stars (12,100+ reviews)(winner)
Full Comparison
| Attribute | Kaspersky Internet Security | Malwarebytes Premium |
|---|---|---|
| System Performance Impact(%) | 8-12% | — |
| Memory Usage at Idle(MB) | 145 MB | — |
| RAM Usage at Idle(MB) | 40-60 MB | — |
| System CPU Impact (Full Scan)(%) | 4-5% | — |
| Full Scan Duration(minutes) | 15-20 minutes | — |
| Full System Scan Time (500GB Drive)(minutes) | 30 minutes average | — |
| Annual Subscription (3-Device, 1-Year)(USD) | $39.99 | — |
| Annual Cost per Device(USD) | $39.99 | $34.99(winner) |
| Annual Subscription Cost (1 Device)(USD) | $39.99 | $39.99 |
| Annual Cost(USD) | $59.99 | — |
| Annual Subscription Cost(USD) | $59.99 | $39.99(winner) |
Show 1 more attributeAnnual Subscription Cost (First Year, 1 Device)(USD) $59.99 — | ||
| VPN Included | No (separate purchase) | No |
| Parental Controls | All plans | — |
| Password Manager | Pro+ and above | — |
| Identity Theft Protection | Not included | — |
| Cloud Backup Storage(GB) | 10 GB(winner) | 0 GB (not included) |
Show 9 more attributesPassword Manager Included Yes No Integrated Features(count) 6 major features (antivirus, firewall, VPN, password manager, parental controls, identity theft protection) 3 major features (antivirus, anti-malware, ransomware protection, browser guard) Firewall Included No — VPN Service Included No — Real-Time Protection (Default) Premium only — Included Features Count(features) 6 (antivirus, behavior monitoring, ransomware protection, exploit prevention, PUP detection, rootkit detection) — VPN Data Limit(GB/month) N/A (not included) — Built-in VPN Included No — Firewall Protection No — | ||
| Supported Devices per License(devices) | Up to 3 | Up to 3 devices (Premium) |
| Maximum Devices Covered(devices) | 10 devices(winner) | 1 device |
| Maximum Devices per License(devices) | 20 devices | — |
| Number of Devices Covered(devices) | 5 devices | — |
| Malware Detection Rate(%) | 98.2%(winner) | 96.8% |
| Phishing Protection Detection Rate(%) | 96.5% | — |
| Full System Scan Speed(GB/min) | 45 GB/min | — |
| CPU Usage During Full System Scan(%) | 8-12% | 2-4%(winner) |
| Memory Footprint at Idle(MB) | 145-180 MB | — |
| CPU Usage During Active Scan(%) | 2.1%(winner) | 6% average |
| CPU Usage at Idle(%) | 8-12% | 2-4%(winner) |
Show 1 more attributeMemory Footprint(MB) 280-320 MB resident 80-120 MB resident | ||
| VPN Monthly Data Allowance(MB) | Unlimited | — |
| Threat Intelligence Update Frequency(hours) | Every 4 hours | — |
| AV-TEST Institute Rating (2024)(points) | 98/100 | — |
| Installation Required | Yes (separate download) | — |
| Cross-Platform Support | Windows, Mac, iOS, Android | — |
| Full System Scan Time(minutes) | 45-60 minutes | 25-35 minutes(winner) |
| Customer Rating(stars) | 4.2/5.0 (8,400 reviews) | 4.5/5.0 (12,100 reviews)(winner) |
| Real-Time Protection | Full 24/7 behavioral monitoring | Premium only, limited real-time |
| Real-time Protection Available | Premium only | — |
| Ransomware Protection Level | Basic (signature-based) | — |
| Free Version Protection(text) | Full real-time protection included free | — |
| Ransomware Detection Rate (AV-TEST)(percent) | 99.8% | — |
Kaspersky Internet SecurityShow 1 more attribute
Show 9 more attributes
Show 1 more attribute
Pros & Cons
12 pros·6 cons across both
Kaspersky Internet Security
Pros
- 98.2% malware detection rate (AV-TEST certified)
- Full real-time protection with behavioral threat analysis
- Integrated VPN with 200MB daily allowance
- Built-in password manager and identity theft protection
- Firewall with intrusion detection capabilities
- Parental controls with app scheduling and web filtering
Cons
- 8-12% CPU overhead during idle monitoring impacts gaming/streaming
- Higher annual cost at $59.99 vs competitors
- History of data privacy concerns regarding Russian server location
Malwarebytes Premium
Pros
- Only 2-4% CPU usage during idle—ideal for gaming and streaming
- Fast full scans in 25-35 minutes (45-50% faster than Kaspersky)
- $39.99 annual cost (33% cheaper than Kaspersky)
- 4.5/5 star rating from 12,100+ users—highest customer satisfaction
- Specialized ransomware protection with file recovery capabilities
- Minimal bloatware with focused feature set
Cons
- 96.8% detection rate vs Kaspersky's 98.2%—misses 1.4% more threats
- No built-in VPN, password manager, or firewall—requires additional tools
- Real-time protection limited in free version; Premium tier needed for continuous monitoring
Frequently Asked Questions
5 questions
Malwarebytes is significantly better for gaming. It uses only 2-4% CPU vs Kaspersky's 8-12%, and has a 100MB memory footprint vs Kaspersky's 300MB. This translates to higher frame rates and smoother gameplay. Malwarebytes' faster scans (30 min vs 52.5 min) also mean less interruption during gaming sessions.
Resources & Learn More
Curated sources to dive deeper
Where to Buy
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Wikipedia
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