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Crucial M4 256GB SATA III SSD Review
Crucial M4 256GB SATA III SSD Review - PCSTATS
In this review PCSTATS will be testing the 256GB Crucial M4 SSD, a 6Gb/s SATA III drive rated by the manufacturer for read speeds of up to 500MB/s and write speeds of 260MB/s (sequential).
 87% Rating:   
Filed under: Hard Drives/SSD Published:  Author: 
External Mfg. Website: Crucial Dec 04 2012   Max Page  
Home > Reviews > Hard Drives/SSD > Crucial CT256M4SSD2

SSD Benchmarks: CrystalDiskMark 3, AS SSD

CrystalDiskMark 3.0.1 Benchmark Source:AS SSD

CrystalDiskMark is a drive benchmark tool which conducts a series of Sequential, 512K and 4K read and write tests.


100MB test


500MB test


1000MB test


2000MB test


4000MB test

CrystalDiskMark - Crucial M4 256GB SSD
100MB Test 500MB Test 1,000MB Test

2,000MB Test

4,000MB Test

Read Write Read Write Read Write Read Write Read Write
Sequential (MB/s) : 482.0 284.1 477.9 281.8 510.5 282.3 504.2 281.0 501.4 270.3
512K (MB/s) : 426.1 287.4 405.4 284 405.2 285.8 404.6 285.2 393.0 285.3
4K (MB/s) : 23.25 75.39 22.99 73.25 22.96 73.93 22.97 73.59 23.33 75.2
4K QD32 (MB/s) : 190.5 230.7 190.7 230.1 190.8 232 190.8 230.6 190.7 230.1

The 256GB Crucial M4 SSD scores 482MB/s in the 100MB Sequential Read test and 284MB/s in the 100MB sequential Write test of CrystalDiskMark. Peak results for this SSD are a Read score of 510.5 MB/s in the 1000MB Sequential test and Write score of 284.1MB/s in the 100MB sequential test. These results are in line with the manufacturer's rated specs.

Next up, AS SSD results...

AS SSD 1.6 Benchmark Source:AS SSD

The AS SSD benchmark determines the performance of Solid State Drives (SSD). AS SSD benchmark is made specifically to test SSD performance. It is a synthetic benchmark that gauges bandwidth and latency speeds for solid state disks. Higher bandwidth (MB/s) is better, lower latencies (ms) are better.

PCSTATS Benchmark ReportAS SSD Benchmark 1.6.4013 - Read/Write
Read Sequential (MB/s) Points Ranking
Crucial M4 256GB SSD 496.16
SanDisk Etreme 240GB SSD 500.01
OCZ Vertex 3 240GB SSD 506.43
OCZ Vertex 2 128GB SSD 203.57
Plextor PX-128M1S SSD 161.1
Write Sequential (MB/s) Points Ranking
Crucial M4 256GB SSD 284.4
SanDisk Etreme 240GB SSD 273.41
OCZ Vertex 3 240GB SSD 288.79
OCZ Vertex 2 128GB SSD 130.8
Plextor PX-128M1S SSD 88.39
Read 4K (MB/s) Points Ranking
Crucial M4 256GB SSD 21.08
SanDisk Etreme 240GB SSD 20.88
OCZ Vertex 3 240GB SSD 21.9
OCZ Vertex 2 128GB SSD 20.28
Plextor PX-128M1S SSD 11.01
Write 4K (MB/s) Points Ranking
Crucial M4 256GB SSD 61.66
SanDisk Etreme 240GB SSD 67.79
OCZ Vertex 3 240GB SSD 66.71
OCZ Vertex 2 128GB SSD 53.61
Plextor PX-128M1S SSD 5.3
Read 4k-64Thrd (MB/s) Points Ranking
Crucial M4 256GB SSD 154.1
SanDisk Etreme 240GB SSD 201.18
OCZ Vertex 3 240GB SSD 186.49
OCZ Vertex 2 128GB SSD 118.96
Plextor PX-128M1S SSD 17.87
Write 4k-64Thrd (MB/s) Points Ranking
Crucial M4 256GB SSD 206.52
SanDisk Etreme 240GB SSD 74.16
OCZ Vertex 3 240GB SSD 232.94
OCZ Vertex 2 128GB SSD 90.58
Plextor PX-128M1S SSD 6.8
Read Acc. Time (ms) Points Ranking
Crucial M4 256GB SSD 0.067
SanDisk Etreme 240GB SSD 0.114
OCZ Vertex 3 240GB SSD 0.138
OCZ Vertex 2 128GB SSD 0.204
Plextor PX-128M1S SSD 0.359
Write Acc. Time (ms) Points Ranking
Crucial M4 256GB SSD 0.52
SanDisk Etreme 240GB SSD 0.222
OCZ Vertex 3 240GB SSD 0.211
OCZ Vertex 2 128GB SSD 0.273
Plextor PX-128M1S SSD 0.736

The 256GB Crucial M4 SSD achieves a result of 496.1MB/s Read and 284MB/s Write in the Sequential test of AS SSD. The read result is a hair lower than the other two SATAIII SSDs PCSTATS compared it against while the write speed is dead center. Next up, HD Tune.

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Contents of Article: Crucial CT256M4SSD2
 Pg 1.  Crucial M4 256GB SATA III SSD Review
 Pg 2.  — SSD Benchmarks: CrystalDiskMark 3, AS SSD
 Pg 3.  SSD vs HDD Benchmarks: HD Tune Pro 4.01
 Pg 4.  SSD vs HDD Benchmarks: HD Tach 3.0.4, Sandra 2012
 Pg 5.  HDD Benchmarks: PCMark Vantage
 Pg 6.  Conclusions: Weighing your SSD Options with SanDisk

 
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