Updated August 28, 2026 · 318 modules
SK Hynix leads on segment $/GB; Samsung leads on ratings. Buy live Amazon kits below — brand pages for the full catalogs.
Samsung
$15.59/GB
DDR5 32GB $/GB
SK Hynix
$4.65/GB
DDR4 32GB $/GB
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Samsung +235%
vs SK Hynix
Best buyable DDR4 and DDR5 kits by $/GB (dual-stick preferred)
Samsung
Samsung 32GB (2x16GB) DDR5 4800MHz PC5-38400 CL40 UDIMM 1Rx8 Single Rank 1.1V Non-ECC DIMM 288-Pin Desktop Computer RAM Memory$454.00
Verify on Amazon.com before purchasing — checkout price applies.SK Hynix
KLEVV CRAS V RGB DDR5 64GB (2x32GB) 6000MHz CL30 SK Hynix A-Die 1.35V Gaming Desktop Ram Memory XMP 3.0 / AMD Expo Ready - Black (KD5BGUA80-60A300G)$872.99
Verify on Amazon.com before purchasing — checkout price applies.Samsung
Samsung 64GB (2x32GB) DDR4 3200MHz PC4-25600 (PC4-3200AA) CL22 UDIMM 2Rx8 Dual Rank 1.2V Non-ECC DIMM 288-Pin Desktop PC RAM Memory$412.24
Verify on Amazon.com before purchasing — checkout price applies.SK Hynix
SK HYNIX 16GB 2X8GB DDR4 PC4-19200 2400MHZ 1RX8 CL17 Memory KIT HMA81GS6MFR8N-UH$125.72
Verify on Amazon.com before purchasing — checkout price applies.Disclosure: As an Amazon Associate I earn from qualifying purchases. Rankings use price and spec data only — not paid placement. How we rank products
SK Hynix is the budget pick on segment $/GB; Samsung may win on ratings or selection.
Segment medians preferred for $/GB (not raw catalog averages). Updated August 28, 2026.
Highest rating × review volume — for buyers comparing reliability, not just lowest price
Samsung
SAMSUNG M471A1K43CB1-CRC 8GB DDR4 2400MH Memory Module (8 GB, 1 x 8 GB, DDR4, 2400 MHz, 260-Pin SO-DIMM)
$60.46
SK Hynix
Hynix 8GB PC4-21300 DDR4-2666MHz 260-Pin SODIMM 1.2V Single Rank Memory Module HMA81GS6CJR8N-VK
$57.41
Choose Samsung if…
Choose SK Hynix if…
Price per GB by capacity
Apples-to-apples at each capacity tier
| Capacity | Samsung | SK Hynix |
|---|---|---|
| 8GB | $9.08/GB | $6.43/GB |
| 16GB | $10.18/GB | $6.48/GB |
| 32GB | $11.10/GB | $5.63/GB |
| 64GB | $13.17/GB | $7.62/GB |
| 128GB | $11.11/GB | — |
Capacity coverage
How many SKUs at each capacity
| Capacity | Samsung | SK Hynix |
|---|---|---|
| 1GB | — | 1 |
| 2GB | 1 | 4 |
| 4GB | 18 | 16 |
| 8GB | 62 | 27 |
| 16GB | 62 | 34 |
| 32GB | 44 | 15 |
| 64GB | 19 | 5 |
| 128GB | 6 | — |
| 256GB | 3 | — |
Speed mix & form factors
Where each brand concentrates its lineup
Samsung speeds
SK Hynix speeds
Samsung DDR / form
SK Hynix DDR / form
Answers use live segment pricing and catalog counts — updated August 28, 2026.
SK Hynix leads on DDR4 32GB $/GB at $4.65/GB vs Samsung at $15.59/GB (updated August 28, 2026).
Samsung averages 4.7★ across 216 tracked modules (94 rated 4.7★+). For most buyers, prioritise dual-stick kits with the right speed for your platform — see the Amazon picks and Samsung brand page.
SK Hynix averages 4.4★ across 102 tracked modules (35 rated 4.7★+). Compare the most-trusted picks below and browse the SK Hynix brand page for the full lineup.
For value, start with SK Hynix on segment $/GB today. For reliability, compare average ratings (Samsung 4.7★ vs SK Hynix 4.4★) and the most-trusted kits on this page. Buy the Amazon kit that matches your capacity and platform.
Samsung averages 4.7★ vs SK Hynix's 4.4★ across their product ranges.
Samsung offers more variety with 216 tracked modules vs SK Hynix's 102.
Both brands offer DDR4 and DDR5 modules in DIMM and SO-DIMM form factors. Compatibility depends on memory type and speed — not the brand. Check your motherboard QVL before buying.
For gaming, prioritise DDR5-6000 CL30 (AMD AM5) or DDR5-5600–6400 (Intel). SK Hynix currently leads on segment $/GB — buy a dual-stick kit from the Amazon picks above.
Samsung has 102 SO-DIMM modules tracked; SK Hynix has 35. Browse Samsung or SK Hynix brand pages, or use the RAM Finder for laptop upgrades.