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SanDiskSDSSDXPS-240G
CrucialCT250MX500SSD1
▲ 544,013 ▼

Controller: Marvell 88SS9187-BLD2. Flash Memory: SanDisk 19nm eX2 ABL MLC. Release date: Q2 2014.

VS
About
▲ 60642 ▼

Controller: Silicon Motion SM2258. Flash Memory: Micron 3D TLC. Release date: Q4 2017.

Effective Speed 
+10%
Real World Speed
Performance profile from 88,039 user samples
Benchmark your SSD here
10,862 User Benchmarks
Best Bench: 114% 83GB free (System drive)
Worst Bench: 65% 20GB free (System drive)
Poor: 65% Great: 114%
SPEED RANK: 307th / 1071
77,177 User Benchmarks
Best Bench: 123% 74GB free
Worst Bench: 73% 64GB free (System drive)
Poor: 73% Great: 123%
SPEED RANK: 251st / 1071
Effective Speed
Effective SSD Speed 		91.7 % 101 % Faster effective speed.
+10%
Average Score 
+15%
Read
Avg. Sequential Read Speed 		455 MB/s +1% 451 MB/s
Write
Avg. Sequential Write Speed 		406 MB/s +3% 394 MB/s
4K Read
Avg. 4K Random Read Speed 		28.9 MB/s 33.7 MB/s Faster random read.
+17%
4K Write
Avg. 4K Random Write Speed 		76.5 MB/s 83.4 MB/s Slightly faster random write.
+9%
Mixed
Avg. Sequential Mixed IO Speed 		258 MB/s 386 MB/s Much faster mixed IO speed.
+50%
4K Mixed
Avg. 4K Random Mixed IO Speed 		33.4 MB/s 45.4 MB/s Much faster random mixed IO.
+36%
SusWrite
Avg. Sustained Write Speed 		350 MB/s 352 MB/s +1%
Peak Score 
+14%
Read
Peak Sequential Read Speed 		509 MB/s 514 MB/s +1%
Write
Peak Sequential Write Speed 		479 MB/s +3% 466 MB/s
4K Read
Peak 4K Random Read Speed 		35.6 MB/s 42.6 MB/s Faster peak random read.
+20%
4K Write
Peak 4K Random Write Speed 		113 MB/s 116 MB/s +3%
Mixed
Peak Sequential Mixed IO Speed 		316 MB/s 450 MB/s Much faster peak mixed IO speed.
+42%
4K Mixed
Peak 4K Random Mixed IO Speed 		42.4 MB/s 58.3 MB/s Much faster peak random mixed IO.
+37%
SusWrite
Peak Sequential Sustained Write 60s Average 		480 MB/s +5% 458 MB/s
Value & Sentiment 
+477%
Market Share
Based on 67,505,901 SSDs tested.
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.01 % 0.18 % Insanely higher market share.
+1,700%
Value
Value For Money 		13.7 % 32.2 % Hugely better value.
+135%
User Rating
UBM User Rating 		54 % 60 % More popular.
+11%
Price
Price (score) 		$79 $30 Much cheaper.
+62%
Nice To Haves 
+22%
Age
Newest 		108 Months 65 Months Much more recent.
+40%
DQ Read
Peak 4K-64Thread Read Speed 		376 MB/s 384 MB/s +2%
DQ Write
Peak 4K-64Thread Write Speed 		343 MB/s 359 MB/s +5%
AS-SSD Total
AS-SSD Total Score 		1,214 Pts 1,258 Pts +4%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		164 MB/s 278 MB/s Much faster peak deep queue mixed IO.
+70%
ADQ Read
Avg. 4K-64Thread Read Speed 		325 MB/s 329 MB/s +1%
ADQ Write
Avg. 4K-64Thread Write Speed 		267 MB/s 294 MB/s Faster deep queue write.
+10%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		148 MB/s 219 MB/s Much faster deep queue mixed IO.
+48%
Specifications 
Capacity
Capacity 		240GB 250GB
Conclusion 
Average Bench 91.7%
Average Bench 101%
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The 240GB Sandisk Extreme Pro uses the same controller and NAND as its 13 months younger predecessor, the Extreme II. Comparing the Extreme II and Extreme Pro shows that average performance has increased by 10% but peak performance remains broadly unchanged. The Pro features an improved nCache which uses an SLC buffer to cache writes prior to writing them to the slower MLC NAND. In order to benefit from this improved caching, huge amounts of data need to be written for extended periods, an unlikely consumer scenario. Comparing core performance between the Samsung 840 Evo and Extreme Pro shows that the Extreme Pro averages around 12% faster than the Evo. The Extreme Pro also has a 10 year warranty but I wonder if SATA 3 will even be around at that time. Although the Extreme Pro has a superb performance profile it's not a game changer. [Jun '14 SSDrivePro]

MORE DETAILS

The MX500 is Crucial’s current flagship consumer SATA SSD featuring their latest second generation 64-layer 3D TLC NAND. It’s available in 250 GB, 500 GB, 1 TB and 2 TB capacities in a 2.5-inch form factor. All but the 2 TB version will also be available in M.2 (2280) form in the future. The MX500 features a Silicon Motion SM2258 controller which is a change from the Marvell 88SS1074 controller featured in the MX300 (it’s nearly two year old predecessor). Performance is around 30% better than on the MX300 which currently retails at the same price. The MX500 has an SLC cache which increases with drive capacity. Consequently, the larger capacities are better able to sustain high sequential write speeds. The 250 GB version has 250MB of SLC cache, the 500 GB has 512 MB, the 1 TB has 1 GB and the 2 TB has 2 GB. Extended sustained write performance tests show that even though speed does drop off after the cache has been exhausted, it is still maintained at very respectable levels. The MX500’s five year warranty is in line with Samsung’s 850 Evo and exceeds it in terms of endurance (just 75 TBW for the 250 GB 850 Evo versus 100 TBW for the 250 GB MX500). It doesn’t quite match up to the Samsung’s 850 Evo’s performance (effective speed 8% slower), however at current prices it is about 20% cheaper, and on balance offers better value for money. [Mar '18 SSDrivePro]

MORE DETAILS

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Solid State Drive Rankings (Price vs Performance) June 2023 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 freeware 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 upgrades.

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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 $315Nvidia RTX 3060 $290Crucial MX500 250GB $30
Intel Core i5-12600K $225Nvidia RTX 3060-Ti $300Samsung 850 Evo 120GB $86
Intel Core i5-12400F $150Nvidia RTX 4070-Ti $800Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $67G.SKILL Trident Z DDR4 3200 C14 4x16GB $381SanDisk Ultra Fit 32GB $16
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