Comparison: Western Digital WD Blue SN580 500GB vs. Intel Solidigm P44 Pro 512GB

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	Western Digital WD Blue SN580 500GB	VS.	Intel Solidigm P44 Pro 512GB
	Show individual test		Show individual test
Technical manufacturer specifications
Manufacturer	Western Digital		Intel
Model number	WDS500G3B0E		SSDPFKKW512H7X1
Capacity	500 GB		512 GB
Capacity (according to IEC)	466 GiB		477 GiB
pSLC cache	176 GB		88 GB
Read speed	4,000 MB/s		7,000 MB/s
Write speed	3,600 MB/s		4,700 MB/s
Form factor	M.2 2280	=	M.2 2280
Interface	PCIe 4.0 x4	=	PCIe 4.0 x4
Controller	Sandisk A101		SK Hynix Aries
DRAM	No		✓ Yes
Memory module (NAND)	TLC	=	TLC
TBW (Total Bytes Written)	300  terabyte		500  terabyte
Warranty	5  Years	=	5  Years
AS SSD performance data
Sequential read	3,543 MB/s	70% ∆	6,017 MB/s
Sequential write	3,245 MB/s	51% ∆	4,909 MB/s
4K Read	70 MB/s	7% ∆	75 MB/s
4K Write	195 MB/s	6% ∆	206 MB/s
4K-64Thrd Read	863 MB/s	197% ∆	2,562 MB/s
4K-64Thrd Write	1,788 MB/s	70% ∆	3,037 MB/s
Access time read	0.023 ms	28% ∆	0.018 ms
Access time write	0.115 ms	25% ∆	0.092 ms
Score	4258	101% ∆	8575
CrystalDiskMark performance data
SEQ1M Q8T1 Read	4,043 MB/s	83% ∆	7,403 MB/s
SEQ1M Q8T Write	3,555 MB/s	46% ∆	5,199 MB/s
SEQ1M Q1T1 Read	3,203 MB/s	80 % ∆	5,772 MB/s
SEQ1M Q1T1 Write	3,590 MB/s	40% ∆	5,014 MB/s
RND4K Q32T16 Read	1,254 MB/s	184% ∆	3,566 MB/s
RND4K Q32T16 Write	2,481 MB/s	21% ∆	3,014 MB/s
RND4K Q1T1 Read	60 MB/s	34% ∆	80 MB/s
RND4K Q1T1 Write	218 MB/s	5% ∆	229 MB/s
Buy product
Current price	200 $	0% ∆	n/a
Price per gigabyte	0.40 $	0% ∆	n/a
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Western Digital WD Blue SN580 500GB	Intel Solidigm P44 Pro 512GB

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