vs
Samsung 840 Evo 1TB
Samsung 850 Evo 250GB mSATA
Top 1%471 points
Top 1%
Top 79%98 points
Top 79%
Samsung 840 Evo 1TB
Samsung 850 Evo 250GB mSATA
Top specs and features

Samsung 840 Evo 1TB vs Samsung 850 Evo 250GB mSATA: 14 facts in comparison

1. sequential read speed

The maximum sequential read speed according to the manufacturer. It is one test of how well the drive can read data.
540MB/s
Samsung 970 Evo NVMe M.2 2280 2TB: 3500MB/s
540MB/s

2. sequential write speed

The maximum sequential write speed according to the manufacturer. It is one test of how well the drive can write data.
520MB/s
Intel DC P4510 Series 8TB: 3000MB/s
520MB/s

3. internal storage

750GB more internal storage.
1000GB
Intel DC P4510 Series 8TB: 8000GB
250GB

4. maximum random write speed

The maximum random write speed according to the manufacturer. It is one test of how well the drive can write data.
90000IOPS
Intel Optane 905P U.2 480GB: 550000IOPS
88000IOPS

5. random read speed

The maximum random read speed according to the manufacturer. It is one test of how well the drive can read data.
98000IOPS
Silicon Power AIC3C0P 800GB: 750000IOPS
97000IOPS

6. MTBF

MTBF (Mean Time Between Failures) is the manufacturer’s estimation of the average time for a device to fail.
1.5million hours
PhotoFast GMonster IDE V4 1.8" 32GB: 10million hours
1.5million hours

7. thickness

2.95mm thinner.
6.8mm
Intel 600p 128GB: 1.5mm
3.85mm

8. bits of encryption supported

AES (Advanced Encryption Standard) encryption is a widely used method to secure data. There are three levels of encryption (128, 192 and 256) with 256-bit being the strongest.
256
Crucial MX500 2.5" 2TB: 256
256

9. warranty period

When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction.
3
Crucial MX500 2.5" 1TB: 60
5

10. width

49.2mm narrower.
100mm
Western Digital Blue 1TB M.2 2280: 22mm
50.8mm

11. PassMark result

The PassMark benchmark measures the overall performance of the SSD based on read speed, write speed and seek time.
7627
Samsung 840 Evo 750GB: 16047
4345

12. shock resistance

It is more resistant to impact and falls.
1500G
Toshiba OCZ RC100 M.2 2242 120GB: 1500G
1500G

13. weight

44.5g lighter.
53g
Toshiba OCZ RC100 M.2 2242 120GB: 3g
8.5g

14. height

40.05mm shorter.
69.85mm
Toshiba OCZ RC100 M.2 2242 120GB: 22mm
29.8mm

Top 10 SSDs

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