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Compare G.SKILL Ripjaws V Series 16GB (2 x 8GB) DDR4 4000 F4-4000C16D-16GVK vs Ripjaws V Series 16GB (2 x 8GB) DDR4 4000 F4-4000C15D-16GVK

G.SKILL Ripjaws V Series 16GB (2 x 8GB) DDR4 4000 F4-4000C16D-16GVK and G.SKILL Ripjaws V Series 16GB (2 x 8GB) DDR4 4000 F4-4000C15D-16GVK are both memory with the same Speed (DDR4-4000 MHz) and Size (16GB (2 x 8GB)). The main differences are in CAS Latency, Timing, First Word Latency and Voltage.
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Brand
G.SKILL
Brand
G.SKILL
Model
F4-4000C16D-16GVK
Model
F4-4000C15D-16GVK
Release Date
-
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(607 reviews)
User reviews
★★★★☆
(485 reviews)
Price history
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Price history
View Details ►
Price/GB
$5.62
Price/GB
$6.37
GB/$1
0.18
GB/$1
0.16
Samsung B-Die
Yes
Samsung B-Die
Yes
Compatible PC parts
Compatible PC parts
Type
288-pin DDR4 DIMM
Type
288-pin DDR4 DIMM
Speed
DDR4-4000 MHz
Speed
DDR4-4000 MHz
Size
16GB (2 x 8GB)
Size
16GB (2 x 8GB)
CAS Latency
16
CAS Latency
15
Timing
16-19-19-39
Timing
15-16-16-36
First Word Latency
8 ns
First Word Latency
7.5 ns
Voltage
1.4 V
Voltage
1.5 V
Heat Spreader
Yes
Heat Spreader
Yes
ECC Support
No
ECC Support
No
Color
Black
Color
Black

Comparison and key differences summary

Reasons to buy the G.SKILL Ripjaws V Series 16GB (2 x 8GB) DDR4 4000 F4-4000C16D-16GVK:

  • 12% cheaper, you can save $11.97
  • Less voltage required (-0.10 V needed)

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Reasons to buy the G.SKILL Ripjaws V Series 16GB (2 x 8GB) DDR4 4000 F4-4000C15D-16GVK:

  • Less CAS latency (-1)
  • Better first word latency (-0.50 ns)

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