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Compare Corsair CMW256GX4M8D3000C16 vs CMU16GX4M2C3000C15B

Corsair CMW256GX4M8D3000C16 and Corsair CMU16GX4M2C3000C15B are both memory with the same Speed (DDR4-3000 MHz) and Voltage (1.35 V). The main differences are in Size, CAS Latency, Timing and First Word Latency.
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Brand
Corsair
Brand
Corsair
Model
CMW256GX4M8D3000C16
Model
CMU16GX4M2C3000C15B
Release Date
📅 January 2020
Release Date
📅 September 2018
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(168 reviews)
User reviews
Price history
View Details ►
Price history
View Details ►
Price/GB
$3.12
Price/GB
$8.75
GB/$1
0.32
GB/$1
0.11
Samsung B-Die
No
Samsung B-Die
No
Compatible PC parts
Compatible PC parts
Type
288-pin DDR4 DIMM
Type
288-pin DDR4 DIMM
Speed
DDR4-3000 MHz
Speed
DDR4-3000 MHz
Size
256GB (8 x 32GB)
Size
16GB (2 x 8GB)
CAS Latency
16
CAS Latency
15
Timing
16-20-20-38
Timing
15-17-17-35
First Word Latency
10.67 ns
First Word Latency
10 ns
Voltage
1.35 V
Voltage
1.35 V
Heat Spreader
Yes
Heat Spreader
Yes
ECC Support
No
ECC Support
No
Color
Black
Color
-
LED Color
RGB
LED Color
-
-

Comparison and key differences summary

Reasons to buy the Corsair CMW256GX4M8D3000C16:

  • Newer Product, it was released around 16 months later
  • More Capacity (+240 GB available)
  • RGB Lighting

Buy now

Reasons to buy the Corsair CMU16GX4M2C3000C15B:

  • 83% cheaper, you can save $660.00
  • Less CAS latency (-1)
  • Better first word latency (-0.67 ns)

Buy now

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