vs
Samsung 840 Evo 750GB
Samsung PM841 256GB
Top 1%484 points
Top 1%
Top 82%85 points
Top 82%
Samsung 840 Evo 750GB
Samsung PM841 256GB
Top specs and features

Samsung 840 Evo 750GB vs Samsung PM841 256GB: 11 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 960 Pro 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
Western Digital Black PCIe 1TB: 2800MB/s
330MB/s

3. 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
65000IOPS

4. internal storage

494GB more internal storage.
750GB
Samsung 860 Pro 4TB 2.5": 4096GB
256GB

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
Intel Optane 905P U.2 480GB: 575000IOPS
98000IOPS

6. thickness

0.2mm thinner.
6.8mm
Samsung 950 Pro 256GB: 2.2mm
7mm

7. 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

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" 250GB: 256
256

9. width

0mm narrower.
100mm
Western Digital PC SN520 M.2 2230 512GB: 30mm
100mm

10. weight

2g lighter.
53g
Western Digital PC SN520 M.2 2230 512GB: 3.5g
55g

11. height

0mm shorter.
69.85mm
Western Digital Black PCIe 1TB: 22mm
69.85mm

Top 10 SSDs

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