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 Memory Card Comparison & Performance Tests for Digital Cameras

Transcend Ultimate 633X UHS-I U3 64GB microSDXC Memory Card Review

Transcend Ultimate 633X UHS-I U3 64GB microSDXC Memory Card Front

Introduction

The Transcend Ultimate 633x 64GB microSDXC Card delivers UHS-I performance. According to Transcend the 633x card offers 95MB/s read and 85MB/s write speed. The card is rated U3 which guarantees at least 30MB/s continuous write speed for recording 4K video. Ultiate 633x microSD cards are avaialble in 32 and 64GB capacities. The card reviewed here is the 64GB SDXC version (TS64GUSDU3).

Transcend Ultimate 633X 64GB microSDXC Memory Card Back

Performance

Transcend claims 95MB/s read and 85MB/s write performance using the Ultimate 633x microSD card. The 64GB microSDXC card reached a maximum sequential read speed benchmark of 96.7 MB/s. The maximum read speed measured 88.2 MB/s.

Card: Transcend Ultimate 633x microSD 64GB
Benchmark: CrystalDiskMark 3.0.3 x64
Program settings: 1000 MB, 5 passes, random test data
Operating system: Windows 10 Pro
Motherboard: Gigabyte GA-Z77X-UD3H
Processor: Intel Core i7-3770K @ 4.40GHz
RAM: 32GB DDR3 1600

Transcend Ultimate 633x microSD 64GB
Card Reader Benchmarks		Seq.
Read
1000MB
MB/s		Seq.
Write
1000MB
MB/s		Rand.
Read
512KB
MB/s		Rand.
Write
512KB
MB/s		Rand.
Read
4KB
MB/s
QD1		Rand.
Read
4KB
IOPS
QD1		Rand.
Write
4KB
MB/s
QD1		Rand.
Write
4KB
IOPS
QD1		Rand.
Read
4KB
MB/s
QD32		Rand.
Read
4KB
IOPS
QD32		Rand.
Write
4KB
MB/s
QD32		Rand.
Write
4KB
IOPS
QD32
Sony S1 High Speed UHS-II Reader/Writer97.82487.60884.82824.4584.1011001.21.034252.54.8631187.31.074262.1
SanDisk Extreme Pro SD UHS-II Reader/Writer97.81587.82885.4209.4984.1731018.80.961234.55.1081247.01.103269.3
Delkin Black Rugged Card Reader97.68787.85785.01010.4034.3201054.71.036253.04.8451183.01.076262.6
Lexar Professional Workflow SR2 UHS-II96.65287.20086.23215.1925.9651456.21.397341.07.1141736.81.142278.7
Lexar LRWM04U-7000 UHS-II Reader96.64387.07786.26017.8035.8761434.51.386338.37.0121712.01.185289.3
Lexar C1 USB-C microSD Reader96.02386.58085.7809.2334.5181103.11.005245.55.3801313.51.118272.9
Delkin Multi-Card CFast SD UHS-II microSD Reader95.13585.41088.00026.6355.9071442.21.189290.27.1101735.90.989241.5
SanDisk ImageMate Pro Multi-Card Reader/Writer94.85984.70683.69110.1364.2201030.21.055257.65.0841241.21.101268.7
Delkin Travel Reader94.79987.44084.47916.0115.9711457.71.401342.07.0891730.81.132276.4
Lexar Professional Dual Slot UHS-II Card Reader94.78287.28086.26013.7095.8921438.61.331324.97.0541722.31.097267.8
Delkin Dual Slot SD UHS-II and CF Card Reader94.47586.96885.90718.5955.8681432.61.402342.27.0691725.91.140278.3
Transcend Multi-Card Reader RDF994.46686.79585.85019.0785.7511404.01.387338.76.9351693.11.135277.2
SanDisk Extreme Pro UHS-II SD Reader/Writer94.39886.96886.14716.4875.9261446.91.384337.97.0591723.51.131276.2
Kingston FCR-HS4 Card Reader94.39086.83185.92116.7435.8541429.31.413344.97.1041734.31.136277.4
Delkin Universal Memory Card Reader94.27188.18286.67317.1795.4951341.41.288314.56.5501599.21.083264.4
Lexar LRWM03U-7000 UHS-I microSD Reader94.26287.42586.70222.4245.0951244.01.111271.46.0681481.50.966235.8
Kingston MobileLite G4 UHS-II94.26286.63185.92116.7265.8991440.31.386338.56.9111687.21.122274.0
Transcend Multi-Card Reader RDF8 Black94.20379.39579.33315.9585.3221299.31.284313.46.5221592.31.080263.8
Transcend SD Card Reader RDF5 Black93.90886.64584.74417.2664.4031074.91.211295.65.0411230.71.210295.5
SanDisk microSD UHS-II USB 3.0 Reader92.67184.50885.22220.6115.5001342.81.167284.96.5421597.21.207294.6
Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader92.30484.67284.82825.8995.4011318.61.056257.76.7361644.41.174286.6
Lexar LRWM05U-7000 UHS-II microSD Reader92.18380.54882.8919.8925.6331375.21.267309.46.5721604.41.063259.6
SanDisk ImageMate All-In-One USB 3.091.73985.48675.8349.4303.728910.11.127275.04.000976.60.946230.9

Further in-camera results using the Transcend Ultimate 633x microSDXC card will be included in the table below when available.

Transcend Ultimate 633x microSD 64GB
Tested in Camera		Write Speed
(MB/s)
Canon Rebel T7i77.9
Canon 77D76.4
Canon 80D75.9
Canon EOS M575.1
Nikon D50074.8
Canon 5D Mark IV74.6
Fuji X-Pro274.6
Nikon D750070.8
Sony A970.7
Nikon D560066.2
Olympus E-M1 II40.6
Olympus PEN-F39.3
Panasonic GH535.8
Sony A630033.3

Cameras tested with this card: Canon 5D Mark IV, Canon 77D, Canon 80D, Canon EOS M5, Canon Rebel T7i, Fuji X-Pro2, Nikon D500, Nikon D7500, Nikon D5600, Olympus E-M1 II, Olympus PEN-F, Panasonic GH5, Sony A9, Sony A6300

Transcend memory cards are covered by a lifetime warranty. The card is marked Made in Taiwan.

The following table contains information encoded in the SD card.

Transcend Ultimate 633x microSD 64GB microSD — Internal Card Information
Serial number (PSN)170919487
Product Name (PNM)USDU1
Product Revision0.2
Manufacturer ID (MID)0x000074
OEM ID (OID)J`
Manufacture Date (MDT)09/2015
Total capacity64,826,114,048 bytes

Available sizes and prices

Compare prices on the Transcend Ultimate 633x microSD card. The lowest prices are highlighted in the table below. Prices are updated daily.

CardSize
GB		Lowest
$ / GB		Prices
AmazonB&H PhotoAdorama
Transcend Ultimate 633x microSDHC32$1.06$33.91Check price
Transcend Ultimate 633x microSDHC64$1.97$125.99Check price
Transcend Ultimate 633x microSDXC128$1.02$130.14Check price
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