SSD Comparison: Compare SSDs and USB flash drives

Compare SSDs (M.2 and SATA), external hard drives and USB flash drives.
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Compare: Lexar NM790 1TB vs. Lexar NQ790 1TB

	Lexar NM790 1TB	Lexar NQ790 1TB
	Show single test	Show single test
Technical information
Manufacturer	Lexar	Lexar
Type	LNM790X001T-RNNNG	LNQ790X001T-RNNNG
Storage capacity	1024 GB	1024 GB
Storage capacity (IEC)	954 GiB	932 GiB
pSLC-Cache	120 GB	224 GB
Read speed	7400 MB/s	7000 MB/s
Write speed	6500 MB/s	6000 MB/s
Form factor	M.2 2280	M.2 2280
Interface	PCIe 4.0 x4	PCIe 4.0 x4
DRAM	no	no
Memory module (NAND)	TLC	QLC
TBW (Total Bytes Written)	1000 Terabyte	600 Terabyte
Controller	Maxio MAP1602	Maxio MAP1602
Performance data AS SSD
Sequential Read	6165,66 MB/s	2,12% ∆	6037,45 MB/s
Sequential Write	5658,94 MB/s	0,90% ∆	5608,42 MB/s
4K Read	68,78 MB/s	0,20% ∆	68,92 MB/s
4K Write	173,44 MB/s	5,32% ∆	182,66 MB/s
4K-64Thrd Read	2492,49 MB/s	4,66% ∆	2381,56 MB/s
4K-64Thrd Write	1513,54 MB/s	20,97% ∆	1830,88 MB/s
Access time Read	0,022 ms	0,00% ∆	0,022 ms
Access time Write	0,269 ms	23,42% ∆	0,332 ms
Score	7029	1,99% ∆	7169
Performance data CrystalDiskMark
SEQ1M Q8T1 Read	7453,28 MB/s	3,15% ∆	7225,91 MB/s
SEQ1M Q8T Write	6613,45 MB/s	10,33% ∆	5994,10 MB/s
SEQ1M Q1T1 Read	5114,82 MB/s	1,08% ∆	5060,08 MB/s
SEQ1M Q1T1 Write	5575,22 MB/s	5,71% ∆	5274,25 MB/s
RND4K Q32T16 Read	3429,78 MB/s	14,64% ∆	3931,75 MB/s
RND4K Q32T16 Write	2088,35 MB/s	20,79% ∆	1728,93 MB/s
RND4K Q1T1 Read	76,54 MB/s	2,36% ∆	78,35 MB/s
RND4K Q1T1 Write	180,10 MB/s	9,78% ∆	197,71 MB/s
Buy
Current price	ca. 102 $	54,55% ∆	ca. 66 $
Price / GigaByte	0,10 $	0,06 $
	Buy on Amazon	Buy on Amazon

Lexar NM790 1TB	Lexar NQ790 1TB