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Compare Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz vs G.Skill Ripjaws 8GB (2 x 4GB) DDR4 2400 SO-DIMM

The main differences between Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz and G.Skill Ripjaws 8GB (2 x 4GB) DDR4 2400 SO-DIMM are in Speed, Size, CAS Latency and Timing.
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Brand
Crucial
Brand
G.Skill
Model
CP2K16G64C32U5B
Model
F4-2400C16D-8GRS
Release Date
📅 October 2025
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(72 reviews)
User reviews
★★★★☆
(23 reviews)
Price history
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Price history
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Price/GB
$12.19
Price/GB
$4.37
GB/$1
0.08
GB/$1
0.23
Samsung B-Die
No
Samsung B-Die
No
Compatible PC parts
Compatible PC parts
Type
288-pin DDR5 DIMM
Type
260-pin DDR4 SODIMM
Speed
DDR5-6400 MHz
Speed
DDR4-2400 MHz
Size
32GB (2 x 16GB)
Size
8GB (2 x 4GB)
CAS Latency
32
CAS Latency
16
Timing
32-40-40-103
Timing
16-16-16-39
First Word Latency
10 ns
First Word Latency
13.33 ns
Voltage
1.35 V
Voltage
1.2 V
Heat Spreader
Yes
Heat Spreader
No
ECC Support
No
ECC Support
No
Color
Black
Color
-
-

Comparison and key differences summary

Reasons to buy the Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz:

  • Better first word latency (-3.33 ns)
  • More Capacity (+24 GB available)

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Reasons to buy the G.Skill Ripjaws 8GB (2 x 4GB) DDR4 2400 SO-DIMM:

  • 72% cheaper, you can save $279.99
  • Less voltage required (-0.15 V needed)
  • Less CAS latency (-16)

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