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Compare Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz vs CORSAIR 4GB (1x4GB) DDR4 2133MHz

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  3. Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz 🆚 CORSAIR 4GB (1x4GB) DDR4 2133MHz
The main differences between Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz and CORSAIR 4GB (1x4GB) DDR4 2133MHz are in Speed, Size, CAS Latency and Timing.
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Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz CL32 Black CP2K16G64C32U5B
Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz
CORSAIR 4GB (1x4GB) DDR4 2133MHz CL15 DIMM CMV4GX4M1A2133C15
CORSAIR 4GB (1x4GB) DDR4 2133MHz
Prices
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Out of Stock
Free shipping
$389.99
Out of Stock
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$389.99
Out of Stock
Free shipping
$399.99
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Prices
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Out of Stock
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$14.99
Out of Stock
+ $9.99 Shipping
$14.99
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$56.96
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Brand
Crucial
Brand
Corsair
Model
CP2K16G64C32U5B
Model
CMV4GX4M1A2133C15
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
★★★★★
(27 reviews)
Price history
View Details ►
Price history
View Details ►
Price/GB
$12.19
Price/GB
$3.75
GB/$1
0.08
GB/$1
0.27
Samsung B-Die
No
Samsung B-Die
No
Compatible PC parts
Motherboards ►
Compatible PC parts
Motherboards ►
Type
288-pin DDR5 DIMM
Type
288-pin DDR4 DIMM
Speed
DDR5-6400 MHz
Speed
DDR4-2133 MHz
Size
32GB (2 x 16GB)
Size
4GB (1 x 4GB)
CAS Latency
32
CAS Latency
15
Timing
32-40-40-103
Timing
15-15-15-36
First Word Latency
10 ns
First Word Latency
14.06 ns
Voltage
1.35 V
Voltage
1.2 V
Heat Spreader
Yes
Heat Spreader
Yes
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 (-4.06 ns)
  • More Capacity (+28 GB available)

Buy now

Reasons to buy the CORSAIR 4GB (1x4GB) DDR4 2133MHz:

  • 96% cheaper, you can save $375.00
  • Less voltage required (-0.15 V needed)
  • Less CAS latency (-17)

Buy now

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