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Compare Crucial 8GB Kit (4GBx2) DDR4 2666 SODIMM vs CORSAIR Vengeance 128GB (2x64GB) DDR5 6400MHz

The main differences between Crucial 8GB Kit (4GBx2) DDR4 2666 SODIMM and CORSAIR Vengeance 128GB (2x64GB) DDR5 6400MHz are in Speed, Size, CAS Latency and First Word Latency.
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In Stock
$81.79
Last updated 10 minutes ago.
Prices
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Out of Stock
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Out of Stock
In Stock
Free shipping
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Brand
Crucial
Brand
Corsair
Model
CT2K4G4SFS6266
Model
CMK128GX5M2B6400C42
Release Date
-
Release Date
📅 May 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(1 reviews)
User reviews
Price history
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Price history
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Price/GB
$4.11
Price/GB
$12.50
GB/$1
0.24
GB/$1
0.08
Samsung B-Die
No
Samsung B-Die
No
Compatible PC parts
Compatible PC parts
Type
260-pin DDR4 SODIMM
Type
288-pin DDR5 DIMM
Speed
DDR4-2666 MHz
Speed
DDR5-6400 MHz
Size
8GB (2 x 4GB)
Size
128GB (2 x 64GB)
CAS Latency
19
CAS Latency
42
Timing
-
Timing
42-52-52-104
First Word Latency
14.25 ns
First Word Latency
13.12 ns
Voltage
1.2 V
Voltage
1.35 V
Heat Spreader
No
Heat Spreader
Yes
ECC Support
No
ECC Support
No
Color
-
Color
Black
-

Comparison and key differences summary

Reasons to buy the Crucial 8GB Kit (4GBx2) DDR4 2666 SODIMM:

  • 95% cheaper, you can save $1,698.20
  • Less voltage required (-0.15 V needed)
  • Less CAS latency (-23)

Buy now

Reasons to buy the CORSAIR Vengeance 128GB (2x64GB) DDR5 6400MHz:

  • Better first word latency (-1.13 ns)
  • More Capacity (+120 GB available)

Buy now

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