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SanDiskSDCZ80-064G
$72
CorsairCMFVYGT3A-64GB
▲ 609,020 ▼
 $72 

Release date: Q2 2012.

VS
About
Effective Speed 
+122%
Real World Speed
Performance profile from 5,973 user samples
Benchmark your USB here
5,618 User Benchmarks
Best Bench: 112% 23GB free, PID 5580 @USB 3.0
Worst Bench: 22% 53GB free, PID 5580 @USB 3.0
Poor: 22% Great: 112%
SPEED RANK: 7th / 639
355 User Benchmarks
Best Bench: 61% 59GB free, PID 1a09 @USB 3.1
Worst Bench: 10% 47GB free, PID 1a09 @USB 2.1
Poor: 10% Great: 61%
SPEED RANK: 73rd / 639
Effective Speed
Effective USB Speed 		72.5 % Hugely faster effective speed.
+122% 		32.6 %
Peak Score 
+1,462%
Read
Peak Sequential Read Speed 		197 MB/s 220 MB/s Faster peak read speed.
+12%
Write
Peak Sequential Write Speed 		188 MB/s Much faster peak write speed.
+79% 		105 MB/s
4K Read
Peak 4K Random Read Speed 		13 MB/s 20 MB/s Much faster peak random read.
+54%
4K Write
Peak 4K Random Write Speed 		8.9 MB/s Insanely faster peak random write.
+5,833% 		0.15 MB/s
Value & Sentiment 
+8%
Value
Value For Money 		26.2 % Much better value.
+44% 		18.2 %
User Rating
UBM User Rating 		60 % More popular.
+15% 		52 %
Price
Price (score) 		$72 $47 Much cheaper.
+35%
Nice To Haves 
+1%
Age
Newest 		114 Months 113 Months +1%
Specifications 
Capacity
Capacity 		64GB 64GB
Conclusion 
Average Bench 72.5%
Average Bench 32.6%
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For real world usability this is currently the best 64GB flash drive (superseded by the Ventura Ultra - 2014). It has a very balanced performance profile with an exceptional 4K random write speed. The 16GB version of the Extreme is currently the value leader in the USB 3.0 flash drive shootout. At present there are no viable alternatives to the 64GB Extreme in fact the Corsair voyager GT turbo is the only drive on the horizon that may challenge the Sandisk any time soon. There are however several reports (Newegg, Amazon) of compatibility issues with this, the 64GB version (other versions are fine), so if you do go for the 64GB version, don't throw the receipt away in a hurry. [Feb '13 USBFlashPro]

MORE DETAILS

The 64 GB Flash Voyager GT has an impressive performance profile. You wouldn't know it without checking the serial numbers but Corsair have released several variants of the USB 3.0 Voyager GT. With each successive version slightly besting its predecessor, this is the best flash drive I have seen from Corsair to date, it even beats the GT Turbo which is more recent. The strongest area of relative performance for the GT is 4K read speed where it achieves 20 MB/s, unfortunately its 4K write speed is almost equally poor clocking in at just 0.15 MB/s. I don't generally like that sort of imbalance in a flash drives performance because it means that from time to time I will get stuck waiting an inordinate amount of time for a data transfer to complete. Taken as a whole the 64 GB GT is a competent performer that's let down by its relatively weak 4k write speed. [Sep '13 USBFlashPro]

MORE DETAILS

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USB Flash Drive Rankings (Price vs Performance) December 2021 USB Rankings.

We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]

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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 USB? (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?
USB Flash Drives
How do you install an OS from a USB flash drive?
What is the Flash Drive value for money rating?
What is effective USB Flash Drive speed?
Why should USB 2.0 Flash Drives be avoided?
File system considerations?
Do dimensions matter?
What are the main factors to look out for?
16GB USB Flash Drives
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 Best User Rated
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Intel Core i5-11600K $220Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i5-11400F $195Nvidia RTX 3080 $700Samsung 850 Evo 120GB $200
HDDRAMUSB
Seagate Barracuda 1TB (2016) $38Corsair Vengeance LPX DDR4 3200 C16 2x8GB $67SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $76SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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