Samsung SSD 950 Pro Review (256GB & 512GB)

Written by Matthew Lambert

November 11, 2015 | 10:23

Tags: #3d-nand #best-m2-ssd #m2 #nvme #samsung-ssd-950-pro-review #ssd #v-nand

Companies: #samsung

Iometer (Mixed Workload Performance)

Website: www.iometer.org

Our last bout of Iometer testing looks at mixed workloads. After all, a drive is rarely just reading or writing; in most instances it's doing a bit of both. As such, we look at some basic mixed patterns, first with sequential 128KB data at QD1 and then with random 4KB data at QD4. This is of course still a synthetic test, but should tell us a bit more about a controller's strengths and weaknesses. Each test is run for two minutes with the average reported.

Iometer - 128KB Sequential Mixed QD1

25% write, 75% read; Average of 2 minute run

  • Samsung SSD 950 PRO 512GB
  • Samsung SSD 950 PRO 256GB
  • Intel SSD 750 Series 1.2TB (AIC)
  • Samsung SSD 850 PRO 256GB
  • Crucial BX100 500GB
  • SK Hynix Canvas SC300 256GB
  • OCZ Arc 100 240GB
  • OCZ Trion 100 240GB
  • Crucial BX200 960GB
  • Crucial BX200 480GB
  • OCZ Trion 100 480GB
  • OCZ Trion 100 960GB
    • 829.38
    • 710.08
    • 329.39
    • 291.29
    • 264.14
    • 227.76
    • 211.81
    • 200.08
    • 189.22
    • 180.78
    • 175.73
    • 160.40
0
100
200
300
400
500
600
700
800
900
MB/sec, Higher Is Better
  • Average Transfer Rate

Iometer - 128KB Sequential Mixed QD1

50% write, 50% read; Average of 2 minute run

  • Samsung SSD 950 PRO 512GB
  • Samsung SSD 950 PRO 256GB
  • Intel SSD 750 Series 1.2TB (AIC)
  • Samsung SSD 850 PRO 256GB
  • Crucial BX100 500GB
  • OCZ Arc 100 240GB
  • SK Hynix Canvas SC300 256GB
  • OCZ Trion 100 480GB
  • OCZ Trion 100 960GB
  • OCZ Trion 100 240GB
  • Crucial BX200 480GB
  • Crucial BX200 960GB
    • 605.74
    • 531.65
    • 335.82
    • 248.51
    • 226.90
    • 217.24
    • 215.51
    • 162.64
    • 160.53
    • 152.85
    • 104.12
    • 103.76
0
100
200
300
400
500
600
MB/sec, Higher Is Better
  • Average Transfer Rate

Iometer - 128KB Sequential Mixed QD1

75% write, 25% read; Average of 2 minute run

  • Samsung SSD 950 PRO 512GB
  • Intel SSD 750 Series 1.2TB (AIC)
  • Samsung SSD 950 PRO 256GB
  • Samsung SSD 850 PRO 256GB
  • SK Hynix Canvas SC300 256GB
  • OCZ Arc 100 240GB
  • Crucial BX100 500GB
  • OCZ Trion 100 960GB
  • OCZ Trion 100 480GB
  • OCZ Trion 100 240GB
  • Crucial BX200 960GB
  • Crucial BX200 480GB
    • 639.43
    • 445.50
    • 440.65
    • 274.19
    • 265.22
    • 263.07
    • 244.47
    • 150.77
    • 146.32
    • 130.09
    • 127.80
    • 83.69
0
100
200
300
400
500
600
700
MB/sec, Higher Is Better
  • Average Transfer Rate



Iometer - 4KB Random Mixed QD4

25% write, 75% read; Average of 2 minute run

  • Intel SSD 750 Series 1.2TB (AIC)
  • Samsung SSD 950 PRO 512GB
  • Samsung SSD 850 PRO 256GB
  • Crucial BX100 500GB
  • Samsung SSD 950 PRO 256GB
  • Crucial BX200 960GB
  • Crucial BX200 480GB
  • SK Hynix Canvas SC300 256GB
  • OCZ Trion 100 960GB
  • OCZ Arc 100 240GB
  • OCZ Trion 100 480GB
  • OCZ Trion 100 240GB
    • 449.25
    • 304.92
    • 231.43
    • 229.06
    • 219.85
    • 213.30
    • 196.99
    • 182.62
    • 145.00
    • 130.34
    • 124.16
    • 104.50
0
100
200
300
400
500
MB/sec, Higher Is Better
  • Average Transfer Rate

Iometer - 4KB Random Mixed QD4

50% write, 50% read; Average of 2 minute run

  • Intel SSD 750 Series 1.2TB (AIC)
  • Samsung SSD 950 PRO 512GB
  • Samsung SSD 850 PRO 256GB
  • Crucial BX100 500GB
  • Samsung SSD 950 PRO 256GB
  • SK Hynix Canvas SC300 256GB
  • OCZ Arc 100 240GB
  • Crucial BX200 960GB
  • Crucial BX200 480GB
  • OCZ Trion 100 960GB
  • OCZ Trion 100 480GB
  • OCZ Trion 100 240GB
    • 422.88
    • 294.40
    • 232.34
    • 205.84
    • 190.88
    • 167.48
    • 136.51
    • 100.17
    • 98.49
    • 89.09
    • 72.33
    • 67.84
0
100
200
300
400
MB/sec, Higher Is Better
  • Average Transfer Rate

Iometer - 4KB Random Mixed QD4

75% write, 25% read; Average of 2 minute run

  • Intel SSD 750 Series 1.2TB (AIC)
  • Samsung SSD 950 PRO 512GB
  • Samsung SSD 850 PRO 256GB
  • Crucial BX100 500GB
  • Samsung SSD 950 PRO 256GB
  • SK Hynix Canvas SC300 256GB
  • OCZ Arc 100 240GB
  • Crucial BX200 480GB
  • Crucial BX200 960GB
  • OCZ Trion 100 960GB
  • OCZ Trion 100 240GB
  • OCZ Trion 100 480GB
    • 466.46
    • 315.27
    • 250.07
    • 196.96
    • 190.90
    • 167.00
    • 154.33
    • 76.79
    • 73.68
    • 58.80
    • 48.76
    • 46.09
0
100
200
300
400
500
MB/sec, Higher Is Better
  • Average Transfer Rate

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