UserBenchmark: Samsung 840 Evo vs Pro

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SamsungMZ-7TE250BW

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Performance profile from 290,234 user samples

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217,115 User Benchmarks

Best Bench: 118% 68GB free
Worst Bench: 64% 231GB free

Poor: 64% Great: 118%

SPEED RANK: 276^th / 1072

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


Effective Speed Effective SSD Speed		95.9 %	+1%		95 %


Read Avg. Sequential Read Speed	465 MB/s	+1%	459 MB/s
Write Avg. Sequential Write Speed	394 MB/s	Slightly faster write speed. +7%	367 MB/s
4K Read Avg. 4K Random Read Speed	38.8 MB/s	Faster random read. +25%	31 MB/s
4K Write Avg. 4K Random Write Speed	85.3 MB/s		85.6 MB/s	+0%
Mixed Avg. Sequential Mixed IO Speed	347 MB/s	Faster mixed IO speed. +15%	303 MB/s
4K Mixed Avg. 4K Random Mixed IO Speed	48 MB/s	Faster random mixed IO. +22%	39.5 MB/s
SusWrite Avg. Sustained Write Speed	195 MB/s		312 MB/s	Much faster sustained write speed. +60%


Read Peak Sequential Read Speed	507 MB/s		510 MB/s	+1%
Write Peak Sequential Write Speed	489 MB/s	+2%	480 MB/s
4K Read Peak 4K Random Read Speed	46.7 MB/s	Faster peak random read. +29%	36.1 MB/s
4K Write Peak 4K Random Write Speed	119 MB/s	+4%	114 MB/s
Mixed Peak Sequential Mixed IO Speed	418 MB/s	Faster peak mixed IO speed. +14%	368 MB/s
4K Mixed Peak 4K Random Mixed IO Speed	59.8 MB/s	Faster peak random mixed IO. +26%	47.6 MB/s
SusWrite Peak Sequential Sustained Write 60s Average	299 MB/s		477 MB/s	Much faster peak sustained write speed. +60%

Market Share

Based on 75,876,639 SSDs tested

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Market Share Market Share (trailing 30 days)	0.15 %	Hugely higher market share. +150%	0.06 %
Value Value For Money	12.9 %	Much better value. +67%	7.72 %
User Rating UBM User Rating	53 %		54 %	+2%
Price Price (score)	$95	Much cheaper. +50%	$190


Age Newest	130 Months	Slightly more recent. +6%	139 Months
DQ Read Peak 4K-64Thread Read Speed	383 MB/s		385 MB/s	+1%
DQ Write Peak 4K-64Thread Write Speed	362 MB/s	Slightly faster peak deep queue write. +8%	334 MB/s
AS-SSD Total AS-SSD Total Score	1,273 Pts	+4%	1,221 Pts
DQ Mixed Peak 4K-64Thread Mixed IO Speed	237 MB/s	Much faster peak deep queue mixed IO. +35%	176 MB/s
ADQ Read Avg. 4K-64Thread Read Speed	337 MB/s		346 MB/s	+3%
ADQ Write Avg. 4K-64Thread Write Speed	293 MB/s	Faster deep queue write. +12%	262 MB/s
ADQ Mixed Avg. 4K-64Thread Mixed IO Speed	203 MB/s	Much faster deep queue mixed IO. +38%	147 MB/s


Capacity Capacity			250GB			256GB

The Evo is remarkable in that, like the Sandisk Extreme II, it features a second level cache. For the 250 GB Evo this consists of a 3 GB Turbowrite cache (TWC) which is a block of high speed Flash Memory. When the TWC is exhausted write speeds drop by approximately 50% but that won't often happen under typical consumer workloads. In terms of raw performance, even with its cache, the Evo still isn't the fastest drive. With a real world speed index reading of 439 MB/s the EVO is however, within reach of the two speed leaders (Vector and 850 Pro). At a price point of $130 the Evo is around 30% cheaper making it the best value for money SSDs I have seen in 2014. Comparing the Evo and the Sandisk Ultra Plus shows that the Evo is the winner but the Sandisk may be a viable alternative thanks to its cache-free, and therefore more consistent performance during extended writes. ^{[Aug '14 SSDrivePro]}

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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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Solid State Drive Rankings (Price vs Performance) May 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 $254	Nvidia RTX 4060 $293	Crucial MX500 250GB $39
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $175	Nvidia RTX 4070 $550	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

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