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SamsungMZ-76E250B
SamsungMZ-75E250B
▲ 57984 ▼

Controller: Samsung MJX. Memory: Samsung 64 layer TLC V-NAND. Release date: Q1 2018.

VS
▲ 5640,704 ▼

Controller: Samsung Dual Core MGX. Memory: Samsung 40nm TLC V-NAND. Release date: Q4 2014.

Effective Speed 
+0%
Real World Speed
Performance profile from 1,248,405 user samples
Benchmark your SSD here
296,814 User Benchmarks
Best Bench: 128% 34GB free
Worst Bench: 75% 64GB free (System drive)
Poor: 75% Great: 128%
SPEED RANK: 250th / 1080
951,591 User Benchmarks
Best Bench: 124% 140GB free
Worst Bench: 72% 233GB free
Poor: 72% Great: 124%
SPEED RANK: 251st / 1080
Effective Speed
Effective SSD Speed 		104 % +0% 103 %
Average Score 
+1%
Read
Avg. Sequential Read Speed 		480 MB/s +3% 466 MB/s
Write
Avg. Sequential Write Speed 		381 MB/s 434 MB/s Faster write speed.
+14%
4K Read
Avg. 4K Random Read Speed 		38.1 MB/s 39.4 MB/s +3%
4K Write
Avg. 4K Random Write Speed 		95.7 MB/s +1% 94.6 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		363 MB/s 370 MB/s +2%
4K Mixed
Avg. 4K Random Mixed IO Speed 		47.9 MB/s 52.2 MB/s Slightly faster random mixed IO.
+9%
SusWrite
Avg. Sustained Write Speed 		285 MB/s Faster sustained write speed.
+15% 		247 MB/s
Peak Score 
+5%
Read
Peak Sequential Read Speed 		517 MB/s +2% 507 MB/s
Write
Peak Sequential Write Speed 		492 MB/s 492 MB/s
4K Read
Peak 4K Random Read Speed 		50 MB/s Slightly faster peak random read.
+5% 		47.6 MB/s
4K Write
Peak 4K Random Write Speed 		126 MB/s 129 MB/s +2%
Mixed
Peak Sequential Mixed IO Speed 		466 MB/s Faster peak mixed IO speed.
+12% 		416 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		66.5 MB/s +3% 64.6 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		379 MB/s Faster peak sustained write speed.
+16% 		328 MB/s
Value & Sentiment 
+13%
Market Share
Based on 77,137,299 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.41 % 0.66 % Much higher market share.
+61%
Value
Value For Money 		21.9 % Much better value.
+63% 		13.4 %
User Rating
UBM User Rating 		57 % +2% 56 %
Price
Price (score) 		$52 Much cheaper.
+48% 		$100
Nice To Haves 
+2%
Age
Newest 		80 Months Much more recent.
+32% 		118 Months
DQ Read
Peak 4K-64Thread Read Speed 		389 MB/s +1% 386 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		362 MB/s 362 MB/s
AS-SSD Total
AS-SSD Total Score 		1297 Pts +1% 1,290 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		371 MB/s +0% 370 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		357 MB/s +1% 354 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		291 MB/s 308 MB/s Slightly faster deep queue write.
+6%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		278 MB/s 320 MB/s Faster deep queue mixed IO.
+15%
Specifications 
Capacity
Capacity 		250GB 250GB
Conclusion 
Average Bench 104%
Average Bench 103%

The 860 Evo is the latest mainstream SATA SSD from Samsung. The 2.5-inch version of the 860 Evo will be available in several capacities ranging from 250 GB to a staggering 4TB. It’s also available in the slimmer M.2 and mSATA form factors. The 860 Evo demonstrates marginally reduced performance compared to its popular, but now three year old predecessor, the 850 Evo. In a head to head comparison the 860 looses by a very modest 6% in terms of effective speed. The 860 Evo is based on a refinement of Samsung’s consumer grade TLC V-NAND, this time featuring 256Gb and 512 Gb 64 layer V-NAND and it also features a new "MJX" controller. The 250 GB version can reach sequential write speeds of up to 520 MB/s, dropping to 300 MB/s once the SLC cache is exhausted (the 250 GB version has a 12 GB SLC write cache). Peak sequential read speeds of 560 MB/s are achievable across the different capacities. The 250GB version has a 512 MB LPDDR4 DRAM cache. All capacities have a five year warranty, but as a testament to the enhanced reliability of this new technology, the warrantied terabytes written (TBW) has doubled from 75 TBW to 150 TBW for the 250 GB 860 Evo. [Jan '18 SSDrivePro]

MORE DETAILS

The 250GB Samsung 850 Evo has a similar architecture to its hugely successful predecessor, the 840 Evo. Both drives are TLC based but the 850 uses 3D V-NAND as opposed to regular NAND. Both drives also feature a Turbowrite cache (TWC) which buffers up to 3GB of writes. The TWC enables high burst write speeds but when the cache exhausts write speeds drop to 300 MB/s. Comparing the 850 and 840 Evos shows that effective speed, has improved by 11% and the warranty has been extended from three to five years but prices are also up by 11%. The 850 Evo does put in superb benchmarks (second only to the 850 Pro) but these are only valid within the TWC. At current price levels the 850 Evo struggles to compete with the value leaders. [Dec '14 SSDrivePro]

MORE DETAILS

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Welcome to our 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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Solid State Drives
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