Compare Solid State Drives

Compare Samsung 840 EVO 120GB vs 850 EVO 120GB

Samsung 840 EVO 120GB and Samsung 850 EVO 120GB are both solid state drives with the same Capacity (120 GB), Interface (SATA 6 Gb/s) and Form Factor (2.5"). The main differences are in Performance (+1%), SSD Controller, NAND Flash Type and MTBF.
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Pangoly Score (How do we rate?)
91
Pangoly Score (How do we rate?)
89
Brand
Samsung
Brand
Samsung
Model
MZ-7TE120BW
Model
  • MZ-75E120B/AM
  • MZ-75E120B/EU
  • MZ-75E120BW/EU
  • MZ-75E120BW
Release Date
📅 August 2013
Release Date
📅 December 2014
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(150 reviews)
User reviews
★★★★★
(149 reviews)
Performance (Charts)
258th / 1746
(-1%)
Performance (Charts)
255th / 1746
(0%)
Effective Value
223rd / 336
Effective Value
243rd / 336
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.83
Price/GB
$1.08
GB/$1
1.2
GB/$1
0.92
Pros
  • Great performance
  • Samsung MEX Controller
  • Very good pricing
Pros
  • Samsung MGX controller
  • 3D V-NAND
  • Competitive pricing
  • Great performance
Cons
  • Questionable reliability compared to MLC NAND
Cons
-
Series
840 EVO
Series
850 EVO
Capacity
120 GB
Capacity
120 GB
Interface
SATA 6 Gb/s
Interface
SATA 6 Gb/s
NVME
No
NVME
No
Form Factor
2.5"
Form Factor
2.5"
SSD Controller
Samsung MEX
SSD Controller
Samsung MGX
NAND Flash Type
TLC
NAND Flash Type
32 layer 3D V-NAND
Cache
-
Cache
Samsung 256MB Low Power DDR3 SDRAM
Max Sequential Read
-
Max Sequential Read
Up to 540 MB/s
Max Sequential Write
-
Max Sequential Write
Up to 520 MB/s
MTBF
1,500,000 hours
MTBF
2,000,000 hours
-

Comparison and key differences summary

Reasons to buy the Samsung 840 EVO 120GB:

  • 23% cheaper, you can save $30.00
  • Better Pangoly Score. (How do we rate?)
  • Moderately better effective value.

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Reasons to buy the Samsung 850 EVO 120GB:

  • Slightly better performance, around +1%
  • Newer Product, it was released around 16 months later

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