Kaspersky vs ESET 2026: Detection & Performance
ESET offers superior malware detection rates (99.7% vs 98.2%) and lighter system impact, while Kaspersky provides more comprehensive features including parental controls and a password manager in its base packages. ESET is better for users prioritizing performance, while Kaspersky suits those wanting an all-in-one security suite.
Kaspersky Internet Security
Russian-based antivirus with lightweight performance and unlimited VPN included.
Budget-conscious users wanting all-in-one protection with family controls and VPN capabilities
ESET Internet Security
Lightweight antivirus with 98.5% detection and minimal system impact
Performance-focused users with older hardware who prioritize detection accuracy and minimal system resource consumption
Quick Answer
AI SummaryESET offers superior malware detection rates (99.7% vs 98.2%) and lighter system impact, while Kaspersky provides more comprehensive features including parental controls and a password manager in its base packages. ESET is better for users prioritizing performance, while Kaspersky suits those wanting an all-in-one security suite.
Our Verdict
AI-assistedChoose ESET if you want the lightest-weight antivirus with industry-leading detection rates and minimal system impact—ideal for older computers or performance-sensitive users. Choose Kaspersky if you prefer a feature-rich suite with built-in VPN, parental controls, and password manager at a lower upfront cost, sacrificing some performance efficiency for convenience.
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Choose Kaspersky Internet Security if
Budget-conscious users wanting all-in-one protection with family controls and VPN capabilities
Choose ESET Internet Security if
Best pickPerformance-focused users with older hardware who prioritize detection accuracy and minimal system resource consumption
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Key Differences at a Glance
- Malware Detection Rate:✓ ESET Internet Security wins(99.7% vs 98.2%)
- System Performance Impact:✓ ESET Internet Security wins(3-5% slowdown vs 8-12% slowdown)
- Password Manager Included:Yes (Pro+ and above) vs Yes (Premium and above)
Key Facts & Figures
12 numeric metrics compared
| Metric | Kaspersky Internet Security | ESET Internet Security | Ratio |
|---|---|---|---|
| System Performance Impact(%) | 8-12% | 3-5% | |
| Memory Usage at Idle(MB) | 145 MB | 78 MB | |
| Annual Subscription (3-Device, 1-Year)(USD) | $39.99 | $44.99 | |
| Supported Devices Per License(devices) | Up to 3 | Up to 5 | |
| Malware Detection Rate(%) | 98.6% | 99.7% | |
| Annual Cost per Device(USD) | $39.99 | — | — |
| Full System Scan Speed(GB/min) | 45 GB/min | — | — |
| Maximum Devices Covered(devices) | 10 devices | — | — |
| Cloud Backup Storage(GB) | 10 GB | — | — |
| Annual Cost(USD) | $59.99 | — | — |
| CPU Usage During Active Scan(%) | 2.1% | — | — |
| AV-TEST Institute Rating (2024)(points) | 98/100 | — | — |
Sourced from publicly available data ·
Key Differences
7 attributes compared head-to-head
- 98.2%Malware Detection Rate99.7%(winner)
- 8-12% slowdownSystem Performance Impact3-5% slowdown(winner)
- Yes (Pro+ and above)Password Manager IncludedYes (Premium and above)
- Yes (all plans)(winner)Parental ControlsYes (Premium only)
- $39.99(winner)Annual Subscription Cost (3-year)$44.99
- Yes (Premium)(winner)VPN IncludedNo (separate service)
- 145 MBMemory Usage at Rest78 MB(winner)
- Malware Detection Rate
Kaspersky Internet Security
98.2%
ESET Internet Security
99.7%(winner)
- System Performance Impact
Kaspersky Internet Security
8-12% slowdown
ESET Internet Security
3-5% slowdown(winner)
- Password Manager Included
Kaspersky Internet Security
Yes (Pro+ and above)
ESET Internet Security
Yes (Premium and above)
- Parental Controls
Kaspersky Internet Security
Yes (all plans)(winner)
ESET Internet Security
Yes (Premium only)
- Annual Subscription Cost (3-year)
Kaspersky Internet Security
$39.99(winner)
ESET Internet Security
$44.99
- VPN Included
Kaspersky Internet Security
Yes (Premium)(winner)
ESET Internet Security
No (separate service)
- Memory Usage at Rest
Kaspersky Internet Security
145 MB
ESET Internet Security
78 MB(winner)
Full Comparison
| Attribute | Kaspersky Internet Security | ESET Internet Security |
|---|---|---|
| System Performance Impact(%) | 8-12% | 3-5%(winner) |
| Memory Usage at Idle(MB) | 145 MB | 78 MB(winner) |
| Annual Subscription (3-Device, 1-Year)(USD) | $39.99(winner) | $44.99 |
| Annual Cost per Device(USD) | $39.99 | — |
| Annual Cost(USD) | $59.99 | — |
| VPN Included | Yes (unlimited) | No |
| Parental Controls | All plans | Premium+ only |
| Password Manager | Pro+ and above | Premium and above |
| Identity Theft Protection | Not included | — |
| Cloud Backup Storage(GB) | 10 GB | — |
Show 1 more attributePassword Manager Included Yes — | ||
| Supported Devices Per License(devices) | Up to 3 | Up to 5(winner) |
| Maximum Devices Covered(devices) | 10 devices | — |
| Malware Detection Rate(%) | 98.6% | 99.7%(winner) |
| Full System Scan Speed(GB/min) | 45 GB/min | — |
| CPU Usage During Active Scan(%) | 2.1% | — |
| VPN Monthly Data Allowance(MB) | Unlimited | — |
| AV-TEST Institute Rating (2024)(points) | 98/100 | — |
| Installation Required | Yes (separate download) | — |
| Cross-Platform Support | Windows, Mac, iOS, Android | — |
Kaspersky Internet SecurityShow 1 more attribute
Pros & Cons
10 pros·7 cons across both
Kaspersky Internet Security
Pros
- VPN included in Premium tier (300MB/day)
- Parental controls available in all subscription levels
- Password manager with secure vault
- Real-time exploit prevention with behavioral analysis
- 29% lower 3-year subscription cost than ESET ($39.99 vs $44.99)
Cons
- 8-12% system slowdown on gaming/heavy workloads
- 98.2% malware detection rate lags competitors
- Requires higher RAM allocation (145MB at idle)
ESET Internet Security
Pros
- 99.7% malware detection rate (industry-leading in independent tests)
- 3-5% system performance impact—ideal for older machines
- Only 78MB memory footprint at rest
- Advanced threat defense with machine learning
- Whitelisting for trusted applications
Cons
- Password manager and VPN only in Premium+ tier (higher cost)
- Parental controls exclusive to Premium level
- No VPN included (requires separate subscription)
- $44.99 annual cost (13% higher than Kaspersky)
Frequently Asked Questions
5 questions
ESET significantly outperforms Kaspersky in resource efficiency. ESET uses only 78MB of RAM at idle and causes just 3-5% system slowdown, while Kaspersky uses 145MB and creates 8-12% slowdown. For users with older laptops or those running resource-intensive applications, ESET is the clear choice.
Resources & Learn More
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Wikipedia
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