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Compare Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz vs Kingston HyperX Blu 4GB (2x2GB) 1600MHz DDR3

The main differences between Crucial Pro Overclocking 32GB (2x16GB) DDR5 6400MHz and Kingston HyperX Blu 4GB (2x2GB) 1600MHz DDR3 are in Speed, Size, CAS Latency and First Word Latency.
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Pangoly Score (How do we rate?)
-
Pangoly Score (How do we rate?)
75
Brand
Crucial
Brand
Kingston
Model
CP2K16G64C32U5B
Model
KHX1600C9D3B1K2/4GX
Release Date
📅 October 2025
Release Date
📅 September 2011
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(72 reviews)
User reviews
★★★★★
(34 reviews)
Price history
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Price history
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Price/GB
$12.19
Price/GB
-
GB/$1
0.08
GB/$1
-
Samsung B-Die
No
Samsung B-Die
No
Compatible PC parts
Compatible PC parts
Pros
-
Pros
  • Lifetime warranty
  • Low profile
Cons
-
Cons
  • 1600MHz need 1.65v
Type
288-pin DDR5 DIMM
Type
240-pin DDR3 DIMM
Speed
DDR5-6400 MHz
Speed
DDR3-1600 MHz
Size
32GB (2 x 16GB)
Size
4GB (2 x 2GB)
CAS Latency
32
CAS Latency
9
Timing
32-40-40-103
Timing
-
First Word Latency
10 ns
First Word Latency
11.25 ns
Voltage
1.35 V
Voltage
1.65 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:

  • Newer Product, it was released around 14 years later
  • Less voltage required (-0.30 V needed)
  • Better first word latency (-1.25 ns)
  • More Capacity (+28 GB available)

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Reasons to buy the Kingston HyperX Blu 4GB (2x2GB) 1600MHz DDR3:

  • Less CAS latency (-23)

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