Samsung SSD 840 Evo 120GB, 500GB, 750GB, 1TB Review

Written by Edward Chester

July 25, 2013 | 19:15

Tags: #nand #samsung-ssd-840-evo #ssd

Companies: #samsung

Crystal Disk Mark Benchmark Results

Website: Crystal Disk Mark

We've chosen to drop ATTO Disk benchmark from our SSD reviews in place of Crystal Disk Mark. ATTO's highly compressible data pattern gave an unrealistic view of drive performance, and including a 'best case' benchmark for the benefit of SandForce drives was becoming less relevant as SSD partners move away from the SandForce platform.

Crystal Disk Benchmark is similar to AS-SSD in its use of incompressible data files, performing sequential, 512KB and 4KB random read and write tests. it also tests with a more realistic 32-queue-depth as opposed to AS-SSD's 64-queue depth, a load that's less relevant for a home-user.

Sequential Speeds


Crystal Disk Mark 500MB

Incompressible Data, 500MB Sequential Read

  • Samsung SSD 840 Evo 1TB Rapid Mode
  • Samsung SSD 840 Pro 256GB
  • Samsung SSD 840 250GB
  • Samsung SSD 840 Evo 1TB
  • Samsung SSD 840 Evo 500GB
  • Samsung SSD 840 Evo 750GB
  • Samsung SSD 840 Evo 120GB
  • OCZ Vector 256GB
  • Samsung SSD 830 256GB
  • Corsair Neutron GTX 240GB
  • SanDisk Ultra Plus 256GB
  • OCZ Vertex 3 250GB
    • 872
    • 544
    • 542
    • 538
    • 537
    • 537
    • 534
    • 532
    • 530
    • 530
    • 523
    • 519
0
100
200
300
400
500
600
700
800
900
MB/sec, Higher Is Better
  • Average Read Speed

Crystal Disk Mark 500MB

Incompressible Data, 500MB Sequential Write

  • Samsung SSD 840 Evo 1TB Rapid Mode
  • Samsung SSD 840 Evo 500GB
  • Samsung SSD 840 Evo 1TB
  • Samsung SSD 840 Pro 256GB
  • Samsung SSD 840 Evo 750GB
  • OCZ Vector 256GB
  • Corsair Neutron GTX 240GB
  • SanDisk Ultra Plus 256GB
  • Samsung SSD 840 Evo 120GB
  • Samsung SSD 830 256GB
  • OCZ Vertex 3 240GB
  • Samsung SSD 840 250GB
    • 1060
    • 525
    • 525
    • 525
    • 524
    • 503
    • 440
    • 440
    • 414
    • 409
    • 300
    • 252
0
250
500
750
1000
MB/sec, Higher Is Better
  • Average Write Speed


Random Performance


Crystal Disk Mark 500MB

Incompressible Data, 4K Random Read, Single QD

  • Samsung SSD 840 Evo 1TB Rapid Mode
  • Samsung SSD 840 Evo 750GB
  • Samsung SSD 840 Evo 500GB
  • Samsung SSD 840 Evo 1TB
  • Samsung SSD 840 Evo 120GB
  • Samsung SSD 840 Pro 256GB
  • SanDisk Ultra Plus 256GB
  • Samsung SSD 840 250GB
  • OCZ Vector 256GB
  • Corsair Neutron GTX 240GB
  • Samsung SSD 830 256GB
  • OCZ Vertex 3 240GB
    • 76.67
    • 44.48
    • 44.44
    • 44.25
    • 41.10
    • 36.00
    • 33.77
    • 29.00
    • 27.37
    • 28.66
    • 24.48
    • 21.18
0
10
20
30
40
50
60
70
80
MB/sec, Higher Is Better
  • Average Random Read Speed

Crystal Disk Mark 500MB

Incompressible Data, 4K Random Write, Single QD

  • Samsung SSD 840 Evo 1TB Rapid Mode
  • OCZ Vector 256GB
  • Samsung SSD 840 Evo 750GB
  • OCZ Vertex 3 240GB
  • Samsung SSD 840 Pro 256GB
  • Samsung SSD 840 Evo 500GB
  • Samsung SSD 840 Evo 1TB
  • Samsung SSD 840 Evo 120GB
  • Samsung SSD 840 250GB
  • Corsair Neutron 240GB
  • SanDisk Ultra Plus 256GB
  • Samsung SSD 830 256GB
    • 337.30
    • 131.30
    • 121.00
    • 121.11
    • 120.10
    • 119.70
    • 119.30
    • 119.30
    • 115.30
    • 110.50
    • 109.80
    • 89.39
0
50
100
150
200
250
300
350
MB/sec, Higher Is Better
  • Average Random Write Speed

Crystal Disk Mark 500MB

Incompressible Data, 4K Random Read, 32 QD

  • Samsung SSD 840 Evo 1TB Rapid Mode
  • Samsung SSD 840 Pro 256GB
  • Samsung SSD 840 Evo 1TB
  • Samsung SSD 840 Evo 500GB
  • Samsung SSD 840 Evo 750GB
  • Samsung SSD 840 Evo 120GB
  • OCZ Vector 256GB
  • Corsair Neutron GTX 240GB
  • Samsung SSD 840 250GB
  • SanDisk Ultra Plus 256GB
  • Samsung SSD 830 256GB
  • OCZ Vertex 3 240GB
    • 404.9
    • 406.0
    • 404.8
    • 404.8
    • 403.3
    • 390.6
    • 401.0
    • 391.2
    • 389.4
    • 336.5
    • 231.0
    • 205.3
0
100
200
300
400
MB/sec, Higher Is Better
  • Average Random Read Speed

Crystal Disk Mark 500MB

Incompressible Data, 4K Random Write, 32 QD

  • Samsung SSD 840 Evo 1TB Rapid Mode
  • OCZ Vector 256GB
  • Samsung SSD 840 Evo 500GB
  • Samsung SSD 840 Evo 1TB
  • Samsung SSD 840 Evo 750GB
  • Samsung SSD 840 Pro 256GB
  • Corsair Neutron GTX 240GB
  • OCZ Vertex 3 240GB
  • Samsung SSD 840 250GB
  • SanDisk Ultra Plus 256GB
  • Samsung SSD 840 Evo 120GB
  • Samsung SSD 830 256GB
    • 700.0
    • 373.0
    • 371.7
    • 371.1
    • 370.1
    • 371.0
    • 345.9
    • 270.6
    • 254.1
    • 179.5
    • 154.2
    • 148.7
0
100
200
300
400
500
600
700
MB/sec, Higher Is Better
  • Average Random Write Speed

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