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SanDiskSDSSDXP-480G-G25
CrucialCT512M550SSD1
▲ 502 ▼

Controller: Marvell 88SS9187-BLD2. Flash Memory: SanDisk 19nm eX2 ABL MLC. Release date ≤ Q4 2013.

VS
▲ 506 ▼

Controller: Marvell 88SS9189. Flash Memory: Micron Synchronous 20nm MLC. Release date ≤ Q2 2014.

Effective Speed 
+1%
Real World Speed
Performance profile from 7,122 user samples
Benchmark your SSD here
1,439 User Benchmarks
Best Bench: 110% 188GB free
Worst Bench: 68% 246GB free
Poor: 68% Great: 110%
SPEED RANK: 311th / 1074
5,683 User Benchmarks
Best Bench: 111% 167GB free
Worst Bench: 65% 6GB free (System drive)
Poor: 65% Great: 111%
SPEED RANK: 304th / 1074
Effective Speed
Effective SSD Speed 		91.6 % 92.5 % +1%
Average Score 
+5%
Read
Avg. Sequential Read Speed 		463 MB/s Slightly faster read speed.
+10% 		421 MB/s
Write
Avg. Sequential Write Speed 		397 MB/s 422 MB/s Slightly faster write speed.
+6%
4K Read
Avg. 4K Random Read Speed 		28.3 MB/s Slightly faster random read.
+8% 		26.3 MB/s
4K Write
Avg. 4K Random Write Speed 		77.1 MB/s 86.6 MB/s Faster random write.
+12%
Mixed
Avg. Sequential Mixed IO Speed 		233 MB/s 295 MB/s Faster mixed IO speed.
+27%
4K Mixed
Avg. 4K Random Mixed IO Speed 		32.5 MB/s 36.9 MB/s Faster random mixed IO.
+14%
SusWrite
Avg. Sustained Write Speed 		363 MB/s Slightly faster sustained write speed.
+6% 		343 MB/s
Peak Score 
+2%
Read
Peak Sequential Read Speed 		505 MB/s Slightly faster peak read speed.
+9% 		464 MB/s
Write
Peak Sequential Write Speed 		465 MB/s 470 MB/s +1%
4K Read
Peak 4K Random Read Speed 		34.1 MB/s Faster peak random read.
+13% 		30.3 MB/s
4K Write
Peak 4K Random Write Speed 		112 MB/s 120 MB/s Slightly faster peak random write.
+7%
Mixed
Peak Sequential Mixed IO Speed 		277 MB/s 322 MB/s Faster peak mixed IO speed.
+16%
4K Mixed
Peak 4K Random Mixed IO Speed 		39.6 MB/s 44.4 MB/s Faster peak random mixed IO.
+12%
SusWrite
Peak Sequential Sustained Write 60s Average 		464 MB/s +0% 463 MB/s
Value & Sentiment 
+∞%
Market Share
Based on 75,953,638 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0.01 % Insanely higher market share.
+∞%
Value
Value For Money 		11.9 % Better value.
+27% 		9.36 %
User Rating
UBM User Rating 		50 % 50 %
Price
Price (score) 		$192 Much cheaper.
+32% 		$283
Nice To Haves 
+19%
Age
Newest 		124+ Months 121+ Months +2%
DQ Read
Peak 4K-64Thread Read Speed 		362 MB/s 384 MB/s Slightly faster peak deep queue read.
+6%
DQ Write
Peak 4K-64Thread Write Speed 		294 MB/s 362 MB/s Faster peak deep queue write.
+23%
AS-SSD Total
AS-SSD Total Score 		1,137 Pts 1,236 Pts Slightly stronger server IO.
+9%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		154 MB/s 232 MB/s Much faster peak deep queue mixed IO.
+51%
ADQ Read
Avg. 4K-64Thread Read Speed 		317 MB/s 320 MB/s +1%
ADQ Write
Avg. 4K-64Thread Write Speed 		253 MB/s 295 MB/s Faster deep queue write.
+17%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		138 MB/s 203 MB/s Much faster deep queue mixed IO.
+47%
Specifications 
Capacity
Capacity 		480GB 512GB
User Builds 
1,439
5,683
Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

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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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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

Gaming Desktop ProGaming

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 $260Nvidia RTX 4060 $293Crucial MX500 250GB $39
Intel Core i5-12600K $171Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i3-12100F $80Nvidia RTX 4070 $500Samsung 870 Evo 250GB $45
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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