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OCZVTX4-25SAT3-256G
SanDiskSDSSDHII-960G-G25
▲ 531,525 ▼

Controller: Indilinx Everest 2 IDX400M00-BC. Flash Memory: Intel Synchronous 25nm MLC. Release date: Q2 2012.

VS
▲ 52570 ▼

Controller: Marvell 88SS9187. Memory: SanDisk 19nm TLC. Release date: Q3 2014.

Effective Speed 
+7%
Real World Speed
Performance profile from 47,809 user samples
Benchmark your SSD here
12,355 User Benchmarks
Best Bench: 106% 238GB free
Worst Bench: 68% 26GB free
Poor: 68% Great: 106%
SPEED RANK: 314th / 1072
35,454 User Benchmarks
Best Bench: 107% 86GB free
Worst Bench: 62% 85GB free (System drive)
Poor: 62% Great: 107%
SPEED RANK: 412th / 1072
Effective Speed
Effective SSD Speed 		90.8 % Slightly faster effective speed.
+7% 		84.5 %
Average Score 
+7%
Read
Avg. Sequential Read Speed 		375 MB/s 439 MB/s Faster read speed.
+17%
Write
Avg. Sequential Write Speed 		392 MB/s +2% 384 MB/s
4K Read
Avg. 4K Random Read Speed 		27.4 MB/s 29.1 MB/s Slightly faster random read.
+6%
4K Write
Avg. 4K Random Write Speed 		90.8 MB/s Faster random write.
+20% 		75.7 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		266 MB/s +2% 262 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		34.5 MB/s 34.6 MB/s +0%
SusWrite
Avg. Sustained Write Speed 		363 MB/s Much faster sustained write speed.
+49% 		244 MB/s
Peak Score 
+2%
Read
Peak Sequential Read Speed 		456 MB/s 502 MB/s Faster peak read speed.
+10%
Write
Peak Sequential Write Speed 		460 MB/s 476 MB/s +3%
4K Read
Peak 4K Random Read Speed 		33.7 MB/s 37.8 MB/s Faster peak random read.
+12%
4K Write
Peak 4K Random Write Speed 		132 MB/s Faster peak random write.
+15% 		115 MB/s
Mixed
Peak Sequential Mixed IO Speed 		316 MB/s 342 MB/s Slightly faster peak mixed IO speed.
+8%
4K Mixed
Peak 4K Random Mixed IO Speed 		41.4 MB/s 49.1 MB/s Faster peak random mixed IO.
+19%
SusWrite
Peak Sequential Sustained Write 60s Average 		448 MB/s Faster peak sustained write speed.
+26% 		355 MB/s
Value & Sentiment 
+81%
Market Share
Based on 75,655,775 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.03 % 0.03 %
Value
Value For Money 		4.23 % 16.2 % Hugely better value.
+284%
User Rating
UBM User Rating 		53 % +2% 52 %
Price
Price (score) 		$400 $226 Much cheaper.
+43%
Nice To Haves 
+13%
Age
Newest 		144 Months 115 Months More recent.
+20%
DQ Read
Peak 4K-64Thread Read Speed 		345 MB/s 390 MB/s Faster peak deep queue read.
+13%
DQ Write
Peak 4K-64Thread Write Speed 		357 MB/s Faster peak deep queue write.
+21% 		296 MB/s
AS-SSD Total
AS-SSD Total Score 		1,188 Pts 1,193 Pts +0%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		336 MB/s Much faster peak deep queue mixed IO.
+38% 		243 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		302 MB/s 335 MB/s Faster deep queue read.
+11%
ADQ Write
Avg. 4K-64Thread Write Speed 		277 MB/s Faster deep queue write.
+19% 		233 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		278 MB/s Much faster deep queue mixed IO.
+67% 		166 MB/s
Specifications 
Capacity
Capacity 		256GB 960GB
Conclusion 
Average Bench 90.8%
Average Bench 84.5%
ADVERTISEMENT

The Vertex 4 is just over a year old but thanks to its recent firmware update (1.5), it still manages to perform almost on a par with the best drives currently available. One of the striking aspects of the Vertex is its well-rounded performance profile. With an AS-SSD score of 1137 and a real world speed of 548 the Vertex 4 is able to cope extremely well with both server and consumer type workloads. This drive uses the new Indilux Everest 2 controller, which unlike the previous generations of this drive which used a SandForce controller, is able to cope admirably with both compressible and incompressible data. Overall, the Vertex 4 is a great performing SSD that said, there are better value for money (and younger) drives available, including the Vertex 4's own successor, the OCZ Vector. [Jun '13 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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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

UserBenchmark of the month

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How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware

 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $46
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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