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AnandTech Bench

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SSD Product Benchmarks

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Bench Results

Samsung SSD 830 256GB (6Gbps) - Samsung MLC

Samsung SSD 840 Pro 256GB (6Gbps) - Samsung MDX - MLC

Product Ratings & Comparisons

PCMark 7 Secondary Storage Score
Score in PCMarks - Higher is Better

5261

5524

Heavy Workload 2011 - Average Data Rate
Average Data Rate in MB/s - Higher is Better

231.1

284.9

Heavy Workload 2011 - Average Read Speed
Average Read Speed in MB/s - Higher is Better

121.5

154

Heavy Workload 2011 - Average Write Speed
Average Write Speed in MB/s - Higher is Better

345.3

389.9

Heavy Workload 2011 - Disk Busy Time
Total Disk Busy Time in Seconds - Lower is Better

686.6

556.8

Heavy Workload 2011 - Disk Busy Time (Reads)
Disk Busy Time (Reads) in Seconds - Lower is Better

409.8

323.4

Heavy Workload 2011 - Disk Busy Time (Writes)
Disk Busy Time (Writes) in Seconds - Lower is Better

315.3

279.2

Light Workload 2011 - Average Data Rate
Average Data Rate in MB/s - Higher is Better

300.9

364.1

Light Workload 2011 - Average Read Speed
Average Read Speed in MB/s - Higher is Better

258.2

322.5

Light Workload 2011 - Average Write Speed
Average Write Speed in MB/s - Higher is Better

329.8

383

Light Workload 2011 - Disk Busy Time
Total Disk Busy Time in Seconds - Lower is Better

140.3

115.9

Light Workload 2011 - Disk Busy Time (Reads)
Disk Busy Time (Reads) in Seconds - Lower is Better

71.3

57.1

Light Workload 2011 - Disk Busy Time (Writes)
Disk Busy Time (Writes) in Seconds - Lower is Better

72.2

62.2

Desktop Iometer - 4KB Random Write (4K Aligned) - 8GB LBA Space
MB/s - Higher is Better

161.7

281

Desktop Iometer - 4KB Random Write (8GB LBA Space QD=32)
MB/s - Higher is Better

167.5

364.2

Desktop Iometer - 4KB Random Read (4K Aligned)
MB/s - Higher is Better

67.2

101.4

Desktop Iometer - 128KB Sequential Read (4K Aligned)
MB/s - Higher is Better

409.7

413.6

Desktop Iometer - 128KB Sequential Write (4K Aligned)
MB/s - Higher is Better

364.7

372.6

0.5KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

21142

59776

1KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

30057

115968

2KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

38718

208896

4KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

201728

328704

8KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

362496

444416

16KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

479232

483328

32KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

499712

524288

64KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

523344

545078

128KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

549049

554393

256KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

547642

556495

512KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

548618

557781

1024KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

546334

559730

2048KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

547694

559978

4096KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

547129

560700

8192KB Transfer - 2GB Sequential Read - QD4
KB/s - Higher is Better

547129

559969

0.5KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

33197

52732

1KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

62563

96271

2KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

120019

175688

4KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

211932

266597

8KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

350503

387184

16KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

413655

412664

32KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

415713

429877

64KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

412575

517815

128KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

412575

530242

256KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

411436

470213

512KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

412825

467071

1024KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

411206

467071

2048KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

412825

467071

4096KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

413773

476160

8192KB Transfer - 2GB Sequential Write - QD4
KB/s - Higher is Better

415374

473014

Incompressible Sequential Read Performance - AS-SSD
Read Speed in MB/s - Higher is Better

507.7

510.7

Incompressible Sequential Write Performance - AS-SSD
Write Speed in MB/s - Higher is Better

395.1

492.8

Drive Power Consumption - Idle
Power in W - Lower is Better

0.38

0.31

Drive Power Consumption - Sequential Write
Power in W - Lower is Better

4.96

3.21

Drive Power Consumption - Random Write
Power in W - Lower is Better

5.18

3.01

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