Updated July 14, 2026 · 255 modules
Samsung leads on segment $/GB; Samsung leads on ratings. Buy live Amazon kits below — brand pages for the full catalogs.
ADATA
$20.31/GB
DDR5 32GB $/GB
Samsung
$14.37/GB
DDR5 32GB $/GB
Premium today
ADATA +41%
vs Samsung
Best buyable DDR4 and DDR5 kits by $/GB (dual-stick preferred)
ADATA
XPG Lancer Blade DDR5 6000MHz CL30 32GB (2x16GB) PC5-48000 RAM 288-Pins UDIMM Desktop Memory Kit Black Heatsink(AX5U6000C3016G-DTLABBK)$568.67
Verify on Amazon.com before purchasing — checkout price applies.Samsung
Samsung 64GB (2x32GB) DDR5 4800MHz PC5-38400 SODIMM 2Rx8 Dual Rank CL40 1.1v 262pin Non-ECCM425R4GA3BB0-CQK Laptop Notebook RAM Memory Upgrade$710.00
Verify on Amazon.com before purchasing — checkout price applies.ADATA
XPG SPECTRIX D35G RGB DDR4 3200MHz CL16 32GB (2x16GB) PC4-25600 RAM 288-Pins UDIMM Desktop Memory Kit Black Heatsink(AX4U320016G16A-DTBKD35G)$259.49
Verify on Amazon.com before purchasing — checkout price applies.Samsung
Samsung Memory Bundle with 128GB (4 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (4 x M393A4K40CB2-CTD) Registered Server Memory$689.00
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
Samsung leads today on both segment $/GB and ratings across 216 modules.
Segment medians preferred for $/GB (not raw catalog averages). Updated July 14, 2026.
Highest rating × review volume — for buyers comparing reliability, not just lowest price
ADATA
XPG Z1 DDR4 3200MHz (PC4 25600) 16GB (2x8GB) 288-Pin CL16-20-20 Memory Modules, Silver (AX4U320038G16A-DSZ1)
$199.99
Samsung
SAMSUNG M471A1K43CB1-CRC 8GB DDR4 2400MH Memory Module (8 GB, 1 x 8 GB, DDR4, 2400 MHz, 260-Pin SO-DIMM)
$59.75
Choose ADATA if…
Choose Samsung if…
Price per GB by capacity
Apples-to-apples at each capacity tier
| Capacity | ADATA | Samsung |
|---|---|---|
| 8GB | $10.69/GB | $8.94/GB |
| 16GB | $13.14/GB | $9.80/GB |
| 32GB | $19.05/GB | $10.41/GB |
| 64GB | — | $11.78/GB |
| 128GB | — | $11.03/GB |
Capacity coverage
How many SKUs at each capacity
| Capacity | ADATA | Samsung |
|---|---|---|
| 2GB | — | 1 |
| 4GB | — | 18 |
| 8GB | 4 | 61 |
| 16GB | 24 | 62 |
| 32GB | 10 | 45 |
| 64GB | — | 19 |
| 128GB | — | 6 |
| 256GB | — | 3 |
Speed mix & form factors
Where each brand concentrates its lineup
ADATA speeds
Samsung speeds
ADATA DDR / form
Samsung DDR / form
Answers use live segment pricing and catalog counts — updated July 14, 2026.
Samsung leads on DDR5 32GB $/GB at $14.37/GB vs ADATA at $20.31/GB (updated July 14, 2026).
ADATA averages 4.6★ across 39 tracked modules (13 rated 4.7★+). For most buyers, prioritise dual-stick kits with the right speed for your platform — see the Amazon picks and ADATA brand page.
Samsung averages 4.7★ across 216 tracked modules (93 rated 4.7★+). Compare the most-trusted picks below and browse the Samsung brand page for the full lineup.
For value, start with Samsung on segment $/GB today. For reliability, compare average ratings (ADATA 4.6★ vs Samsung 4.7★) and the most-trusted kits on this page. Buy the Amazon kit that matches your capacity and platform.
Samsung averages 4.7★ vs ADATA's 4.6★ across their product ranges.
Samsung offers more variety with 216 tracked modules vs ADATA's 39.
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). Samsung currently leads on segment $/GB — buy a dual-stick kit from the Amazon picks above.
ADATA has 6 SO-DIMM modules tracked; Samsung has 102. Browse ADATA or Samsung brand pages, or use the RAM Finder for laptop upgrades.