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Head to head · 2 products

16GB DDR4 2133MHz vs 16GB DDR4 2666MHz

Verified specs side by side. The green tick marks the better value on each measurable row.

Comparing 2 products
16GB DDR4 2133MHz
16GB DDR4 2133MHz—Score pending
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16GB DDR4 2666MHz
16GB DDR4 2666MHz—Score pending
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The short verdict

Scores pending

We haven’t scored these yet. Use the measured differences and full specs below.

16GB DDR4 2133MHz
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16GB DDR4 2666MHz
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Choose the 16GB DDR4 2133MHz if
  • Cheaper today ($63.82 vs $149)
Check price at eBay →
16GB DDR4 2666MHz
    Check price at eBay →
    At a glance

    Key differences

    Measured differences only. Ties and tiny gaps are left out.
    Why pick the16GB DDR4 2133MHz1 win
    −$85.18Cheaper today$63.82 vs $149
    Check priceBest price · eBay · check the store for today’s priceCheck price at eBay ↗
    Why pick the16GB DDR4 2666MHz0 wins
    No measured advantages in our spec data. Check the full specs below.
    Check priceBest price · eBay · check the store for today’s priceCheck price at eBay ↗
    Full specs

    Side-by-side specifications

    Performance
    Ram Type
    DDR4
    DDR4
    General7 differences
    Speed
    2133 MHz
    2666 MHz
    CAS latency
    13
    15
    Manufacturer Sku
    HX421S13IB/16
    HX426S15IB2/16
    Memory Capacity Gb
    16
    16
    Memory Speed Mt S
    2133
    2666
    Model Number
    16GB DDR4 2133MHz
    16GB DDR4 2666MHz
    Released
    January 1, 2016
    January 1, 2017
    Release Year
    2016
    2017
    Where to buy
    eBayCheck price
    eBayCheck price

    Specs verified against manufacturer data. Prices in USD before tax; we may earn a commission from qualifying purchases.

    Community

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