SSDBoss Review Our evaluation of 840 Pro vs PX-128M2P

read performance

How quickly data is read from the drive

840 Pro
6.8
PX-128M2P
6.4
4K Random Read

write performance

How quickly data is written to the drive

840 Pro
7.0
PX-128M2P
5.3
4K Random Write

real world benchmarks

How well the drive performs common tasks

840 Pro
6.3
PX-128M2P
5.6
AS SSD ISO Copy

Benchmarks

How well the drive performs on common benchmarks

840 Pro
7.9
PX-128M2P
7.6
Passmark Disk Rating, AS SSD Score and Tom's Hardware Storage Bench

No winner declared

Too close to call

Differences What are the advantages of each

Front view of Samsung 840 Pro

Reasons to consider the
Samsung 840 Pro

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Much faster 4k random write 130.58 MB/s vs 16.7 MB/s More than 7.8x faster 4k random write
Higher capacity 512 GB vs 264 GB Around 95% higher capacity
Faster 4k random read 311.34 MB/s vs 231.09 MB/s Around 35% faster 4k random read
Faster tom's storage bench application 733 pts vs 576 pts More than 25% faster tom's storage bench application
Higher AS SSD score 1,143 pts vs 871 pts More than 30% higher AS SSD score
Faster AS SSD ISO copy 429.47 MB/s vs 215.88 MB/s Around 2x faster AS SSD ISO copy
Front view of Plextor PX-128M2P

Reasons to consider the
Plextor PX-128M2P

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SSDBoss is not aware of any important advantages of the Plextor PX-128M2P vs the Samsung 840 Pro.

Benchmarks Real world tests of 840 Pro vs PX-128M2P

4K Random Read

840 Pro
311.34 MB/s
PX-128M2P
231.09 MB/s

4K Random Write

840 Pro
130.58 MB/s
PX-128M2P
16.7 MB/s

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