UserBenchmark: OCZ Vertex 3 vs Samsung 840 Pro

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SamsungMZ-7PD256BW

BUY • $190

OCZVTX3-25SAT3-120G

BUY • $42

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Real World Speed

Performance profile from 99,067 user samples

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73,119 User Benchmarks

Best Bench: 116% 238GB free
Worst Bench: 68% 11GB free (System drive)

Poor: 68% Great: 116%

SPEED RANK: 279^th / 1072

25,948 User Benchmarks

Best Bench: 82% 65GB free
Worst Bench: 53% 81GB free (System drive)

Poor: 53% Great: 82%

SPEED RANK: 691^st / 1072


Effective Speed Effective SSD Speed		95 %	Much faster effective speed. +39%		68.6 %


Read Avg. Sequential Read Speed	459 MB/s	Faster read speed. +20%	381 MB/s
Write Avg. Sequential Write Speed	367 MB/s	Hugely faster write speed. +157%	143 MB/s
4K Read Avg. 4K Random Read Speed	31 MB/s	Slightly faster random read. +7%	28.9 MB/s
4K Write Avg. 4K Random Write Speed	85.6 MB/s	Faster random write. +12%	76.7 MB/s
Mixed Avg. Sequential Mixed IO Speed	303 MB/s	Much faster mixed IO speed. +58%	192 MB/s
4K Mixed Avg. 4K Random Mixed IO Speed	39.5 MB/s	Faster random mixed IO. +19%	33.2 MB/s
SusWrite Avg. Sustained Write Speed	312 MB/s	Hugely faster sustained write speed. +156%	122 MB/s


Read Peak Sequential Read Speed	510 MB/s	Faster peak read speed. +18%	434 MB/s
Write Peak Sequential Write Speed	480 MB/s	Hugely faster peak write speed. +204%	158 MB/s
4K Read Peak 4K Random Read Speed	36.1 MB/s	+3%	35 MB/s
4K Write Peak 4K Random Write Speed	114 MB/s	+1%	113 MB/s
Mixed Peak Sequential Mixed IO Speed	368 MB/s	Much faster peak mixed IO speed. +77%	208 MB/s
4K Mixed Peak 4K Random Mixed IO Speed	47.6 MB/s	Faster peak random mixed IO. +14%	41.7 MB/s
SusWrite Peak Sequential Sustained Write 60s Average	477 MB/s	Hugely faster peak sustained write speed. +246%	138 MB/s

Market Share

Based on 75,647,787 SSDs tested

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Market Share Market Share (trailing 30 days)	0.05 %		0.05 %
Value Value For Money	7.72 %		9.8 %	Better value. +27%
User Rating UBM User Rating	54 %	+4%	52 %
Price Price (score)	$190		$42	Much cheaper. +78%


Age Newest	138 Months	More recent. +12%	157 Months
DQ Read Peak 4K-64Thread Read Speed	385 MB/s	Hugely faster peak deep queue read. +102%	191 MB/s
DQ Write Peak 4K-64Thread Write Speed	334 MB/s	Hugely faster peak deep queue write. +115%	155 MB/s
AS-SSD Total AS-SSD Total Score	1,221 Pts	Much stronger server IO. +77%	692 Pts
DQ Mixed Peak 4K-64Thread Mixed IO Speed	176 MB/s	Slightly faster peak deep queue mixed IO. +8%	163 MB/s
ADQ Read Avg. 4K-64Thread Read Speed	346 MB/s	Hugely faster deep queue read. +99%	174 MB/s
ADQ Write Avg. 4K-64Thread Write Speed	262 MB/s	Hugely faster deep queue write. +90%	138 MB/s
ADQ Mixed Avg. 4K-64Thread Mixed IO Speed	147 MB/s	Slightly faster deep queue mixed IO. +9%	135 MB/s


Capacity Capacity			256GB			120GB

The 840 Pro is stunning. Samsung have created a completely in-house package including both the controller and their own new 21nm toggle mode NAND. On release (Oct '12) this was the fastest performing deep queue depth consumer grade SSD available. Fast forward six months (Apr '13) and the 840 Pro still holds both the random read/write deep queue depth speed records of 384 MB/s and 326 MB/s, impressive considering how fast the SSD space tends to move. There are no obvious weaknesses, in-fact the 840 pro takes first place in nearly all of the speed categories and is only seriously rivalled by one drive, the OCZ Vector. To conclude, in terms of both outright performance, particularly server orientated, and value for money the 256GB and 128GB 840 Pros are amongst the top handful of drives currently available. ^{[Jun '13 SSDrivePro]}

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The 120GB OCZ Vertex 3 is almost 3 years old which makes it twice as old as most of the drives in the group test. With sequential peak and average read/write speeds of 510/157 and 390/130 MB/s the 120GB Vertex 3 has good read speeds but lags the group leaders by 50% at writing. This is explained by its Sandforce 2281 controller which is infamous for stability issues and relatively slow incompressible data write speeds. Small file 4K peak and average read/write speeds clocked in at 31/103 and 23/61 MB/s which matches the group leaders, a superb result considering the Vertex 3's age. Overall the 120GB Vertex 3 has an effective speed of 383 MB/s which is only 16% lower than the group leaders which averaged 444 MB/s. The Vertex is a capable drive let down only by its relatively slow peak sequential write speed of 157 MB/s. ^{[Feb '14 SSDrivePro]}

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Solid State Drive Rankings (Price vs Performance) April 2024 SSD Rankings

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. ^[SSDrivePro]

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CPU	GPU	SSD
Intel Core i5-13600K $275	Nvidia RTX 4060 $300	Crucial MX500 250GB $40
Intel Core i5-12400F $134	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184	Nvidia RTX 4070 $409	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

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