Samsung 850 EVO 120GB vs 850 Pro 128GB SSD Comparison

Samsung 850 EVO 120GB and Samsung 850 Pro 128GB are both solid state drives with the same Interface (SATA 6 Gb/s), Form Factor (2.5") and MTBF (2,000,000 hours). The main differences are in Performance (+9%), Capacity, SSD Controller and NAND Flash Type.

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Samsung 850 EVO 120GB	Samsung 850 Pro 128GB
Prices (Change region) In Stock Free shipping $129.99	Prices (Change region) In Stock Free shipping $199.99
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Pangoly Score (How do we rate?) 89	Pangoly Score (How do we rate?) 93
Brand Samsung	Brand Samsung
Model MZ-75E120B/AM MZ-75E120B/EU MZ-75E120BW/EU MZ-75E120BW	Model MZ-7KE128BW
Release Date 📅 December 2014	Release Date 📅 July 2014
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (149 reviews) Add a product review	User reviews ★★★★★ (198 reviews) Add a product review
Performance (Charts) 255th / 1746 (-9%)	Performance (Charts) 227th / 1746 (0%)
Effective Value 243rd / 336	Effective Value 270th / 336
Price history View Details ►	Price history View Details ►
Price/GB $1.08	Price/GB $1.56
GB/$1 0.92	GB/$1 0.64
Pros Samsung MGX controller 3D V-NAND Competitive pricing Great performance	Pros Great performance Ten-year warranty Samsung MEX controller
Cons -	Cons Not cheap
Series 850 EVO	Series 850 PRO
Capacity 120 GB	Capacity 128 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 MGX	SSD Controller Samsung MEX
NAND Flash Type 32 layer 3D V-NAND	NAND Flash Type 3-D Vertical
Cache Samsung 256MB Low Power DDR3 SDRAM	Cache -
Max Sequential Read Up to 540 MB/s	Max Sequential Read Up to 550 MB/s
Max Sequential Write Up to 520 MB/s	Max Sequential Write Up to 470 MB/s
MTBF 2,000,000 hours	MTBF 2,000,000 hours