Will the Crucial module fit my laptop?

Only if your laptop takes DDR5 SO-DIMM memory. Check the service manual or Crucial's compatibility tool for the 16GB capacity and 5600 speed. It will not fit a desktop DIMM slot.

Can I use the Samsung module in a laptop?

No. It is a 288-pin UDIMM built for desktop motherboards. Laptops need the shorter 262-pin SO-DIMM.

Both run DDR5-5600 at 1.1V, so bandwidth is the same. Crucial publishes CL46; Samsung does not list timings here, so real-world differences are small and depend on the board.

Is one better for gaming?

Neither is a tuned gaming kit. For a laptop, take the Crucial; for a desktop, take the Samsung and pair it with an identical stick for dual channel, which matters more than the brand.

Should I buy two sticks or one?

Two matched sticks enable dual channel and give a real performance gain in integrated-graphics and CPU-heavy work. One 16GB stick is fine if you plan to add a second later.

Both are standard JEDEC DDR5 with no overclocking headroom claimed, so lifespan is similar. Buy from a seller with a clear warranty and return policy.

Crucial 16GB DDR5-5600 SODIMM vs Samsung DDR5-5600 16GB UDIMM

These are not interchangeable parts. The Crucial CT16G56C46S5 is a 262-pin SO-DIMM for laptops; the Samsung DDR5-5600 is a 288-pin UDIMM for desktops. Buy the Crucial for a DDR5 laptop, the Samsung for a DDR5 desktop. On specs they are close: both 16GB, both DDR5-5600, both non-ECC unbuffered, both 1.1V. Crucial publishes full timings (CL46) and a compatibility checker; Samsung's listing here is thinner, so confirm the exact part number and rank before ordering.

Choose the Crucial 16GB DDR5-5600 SODIMM if you are upgrading a laptop or mini PC that takes DDR5 SO-DIMM memory.
Choose the Samsung DDR5-5600 if you are upgrading a desktop that takes a 288-pin DDR5 UDIMM.

Prices

Crucial 16GB DDR5-5600 SODIMM: $245.00 at eBay (checked today)
Samsung DDR5-5600 16GB UDIMM: $95.00 at eBay (checked today)
Difference: the Samsung DDR5-5600 16GB UDIMM is $150.00 cheaper than the Crucial 16GB DDR5-5600 SODIMM today

Crucial 16GB DDR5-5600 SODIMM (CT16G56C46S5)

What separates them

	Crucial 16GB DDR5-5600 SODIMM	Samsung DDR5-5600 16GB UDIMM
Form factor	262-pin SO-DIMM for laptops and compact systems	288-pin UDIMM for desktop motherboards
Capacity	16GB in a single module	16GB in a single module
Speed	DDR5-5600 (PC5-44800)	DDR5-5600
Latency	CL46 published	Not stated in the listing
Rank and organization	Single 16GB module, non-ECC unbuffered	1Rx8, 2Gx8 chips, non-ECC
Voltage	1.1V	1.1V DDR5 standard
Compatibility tools	Crucial system compatibility checker and published part number	Confirm exact module part number with the seller
Upgrade path	Add a second SO-DIMM for dual channel if the laptop has a free slot	Add a matching UDIMM for dual channel on a desktop

Specs compared

Spec	Crucial 16GB DDR5-5600 SODIMM	Samsung DDR5-5600 16GB UDIMM
Number Of Sticks	Two	—
color	Multicolor	—
size	1	—
Memory type	—	DDR5-5600
Configuration	—	2Gx64 UDIMM 1Rx8
Total capacity	—	16GB
Pin count	—	288-pin
Chip technology	—	2Gx8 8C

Crucial 16GB DDR5-5600 SODIMM vs Samsung DDR5-5600 16GB UDIMM

Prices

Crucial 16GB DDR5-5600 SODIMM vs Samsung DDR5-5600 16GB UDIMM

Prices

Samsung DDR5-5600 16GB UDIMM

What separates them

Price history

Prices at every store