Comparison: Western Digital WD Green 240GB vs. Samsung 870 EVO 250GB

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	Western Digital WD Green 240GB	VS.	Samsung 870 EVO 250GB
	Show individual test		Show individual test
Technical manufacturer specifications
Manufacturer	Western Digital		Samsung
Model number	WDS240G3G0A		MZ-77E250B/EU
Capacity	240 GB		250 GB
Capacity (according to IEC)	224 GiB		233 GiB
pSLC cache	4 GB		GB
Read speed	545 MB/s		560 MB/s
Write speed	500 MB/s		530 MB/s
Form factor	2.5"	=	2.5"
Interface	SATA 6 Gbps	=	SATA 6 Gbps
Controller	Silicon Motion SM2256S		Samsung MKX (Metis S4LR059)
DRAM	No		✓ Yes
Memory module (NAND)	TLC	=	TLC
TBW (Total Bytes Written)	20  terabyte		150  terabyte
Warranty	3  Years	=	3  Years
AS SSD performance data
Sequential read	519 MB/s	0% ∆	517 MB/s
Sequential write	426 MB/s	7% ∆	457 MB/s
4K Read	19 MB/s	126% ∆	44 MB/s
4K Write	60 MB/s	50% ∆	90 MB/s
4K-64Thrd Read	113 MB/s	94% ∆	219 MB/s
4K-64Thrd Write	114 MB/s	61% ∆	184 MB/s
Access time read	0.081 ms	98% ∆	0.041 ms
Access time write	0.336 ms	784% ∆	0.038 ms
Score	498	63% ∆	810
CrystalDiskMark performance data
SEQ1M Q8T1 Read	548 MB/s	0% ∆	549 MB/s
SEQ1M Q8T Write	443 MB/s	9% ∆	483 MB/s
SEQ1M Q1T1 Read	524 MB/s	2 % ∆	536 MB/s
SEQ1M Q1T1 Write	445 MB/s	7% ∆	475 MB/s
RND4K Q32T16 Read	231 MB/s	0% ∆	231 MB/s
RND4K Q32T16 Write	153 MB/s	27% ∆	194 MB/s
RND4K Q1T1 Read	29 MB/s	64% ∆	48 MB/s
RND4K Q1T1 Write	63 MB/s	55% ∆	97 MB/s
Buy product
Current price	65 $	162% ∆	170 $
Price per gigabyte	0.27 $	162% ∆	0.68 $
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Western Digital WD Green 240GB	Samsung 870 EVO 250GB

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