Updated July 14, 2026 · 407 modules
Crucial leads on segment $/GB; Crucial leads on ratings. Buy live Amazon kits below — brand pages for the full catalogs.
Crucial
$14.69/GB
DDR5 32GB $/GB
Kingston
$16.54/GB
DDR5 32GB $/GB
Premium today
Kingston +13%
vs Crucial
Best buyable DDR4 and DDR5 kits by $/GB (dual-stick preferred)
Crucial
Crucial Pro 128GB Kit (2x64GB) DDR5 RAM, 5600MHz (or 5200MHz or 4800MHz) Desktop Gaming Memory UDIMM, Compatible with Latest Intel & AMD CPU CP2K64G56C46U5$395.00
Verify on Amazon.com before purchasing — checkout price applies.Kingston
Kingston FURY Beast 128GB (2x64GB) 5600MT/s DDR5 CL36 Desktop Memory | AMD EXPO | Kit of 2 | KF556C36BBEK2-128$395.00
Verify on Amazon.com before purchasing — checkout price applies.Crucial
Crucial Bundle with 256GB (8 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (8 x CT32G4RFD4266), Dual Ranked Registered ECC Memory$1599.00
Verify on Amazon.com before purchasing — checkout price applies.Kingston
Kingston Fury Beast 128GB (4x32GB) 3200MHz DDR4 CL16 Desktop Memory Kit of 4 KF432C16BBK4/128, Black$199.99
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
Crucial leads today on both segment $/GB and ratings across 160 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
Crucial
Crucial 64GB DDR5 RAM, 5600MHz (or 5200MHz or 4800MHz) Desktop Memory Kit, UDIMM 288-Pin, Compatible with 13th Gen Intel Core and AMD Ryzen 7000 - CT2K32G56C46U5
$848.94
Kingston
Kingston Fury Beast 64GB (2x32GB) 3600MHz DDR4 CL18 Desktop Memory Kit of 2 KF436C18BBK2/64, Black
$791.99
Choose Crucial if…
Choose Kingston if…
Price per GB by capacity
Apples-to-apples at each capacity tier
| Capacity | Crucial | Kingston |
|---|---|---|
| 8GB | $8.45/GB | $9.16/GB |
| 16GB | $8.96/GB | $16.31/GB |
| 32GB | $10.65/GB | $16.14/GB |
| 64GB | $12.30/GB | $18.16/GB |
| 128GB | $6.82/GB | $14.04/GB |
Capacity coverage
How many SKUs at each capacity
| Capacity | Crucial | Kingston |
|---|---|---|
| 1GB | — | 4 |
| 2GB | 2 | 6 |
| 4GB | 9 | 13 |
| 8GB | 22 | 52 |
| 16GB | 48 | 64 |
| 24GB | 1 | — |
| 32GB | 47 | 62 |
| 48GB | 5 | 6 |
| 64GB | 20 | 28 |
| 96GB | 2 | 3 |
| 128GB | 2 | 8 |
| 256GB | 1 | — |
Speed mix & form factors
Where each brand concentrates its lineup
Crucial speeds
Kingston speeds
Crucial DDR / form
Kingston DDR / form
Answers use live segment pricing and catalog counts — updated July 14, 2026.
Crucial leads on DDR5 32GB $/GB at $14.69/GB vs Kingston at $16.54/GB (updated July 14, 2026).
Crucial averages 4.6★ across 160 tracked modules (75 rated 4.7★+). For most buyers, prioritise dual-stick kits with the right speed for your platform — see the Amazon picks and Crucial brand page.
Kingston averages 4.5★ across 247 tracked modules (85 rated 4.7★+). Compare the most-trusted picks below and browse the Kingston brand page for the full lineup.
For value, start with Crucial on segment $/GB today. For reliability, compare average ratings (Crucial 4.6★ vs Kingston 4.5★) and the most-trusted kits on this page. Buy the Amazon kit that matches your capacity and platform.
Crucial averages 4.6★ vs Kingston's 4.5★ across their product ranges.
Kingston offers more variety with 247 tracked modules vs Crucial's 160.
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). Crucial currently leads on segment $/GB — buy a dual-stick kit from the Amazon picks above.
Crucial has 68 SO-DIMM modules tracked; Kingston has 44. Browse Crucial or Kingston brand pages, or use the RAM Finder for laptop upgrades.