G.SKILL 16GB (2x8GB) TridentZ DDR4 3866MHz F4-3866C18D-16GTZSW vs 16GB (2x8GB) TridentZ DDR4 4000MHz RAM Comparison

G.SKILL 16GB (2x8GB) TridentZ DDR4 3866MHz F4-3866C18D-16GTZSW and G.SKILL 16GB (2x8GB) TridentZ DDR4 4000MHz are both memory with the same Size (16GB (2 x 8GB)) and Voltage (1.35 V). The main differences are in Speed, CAS Latency, Timing and First Word Latency.

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G.SKILL 16GB (2x8GB) TridentZ DDR4 3866MHz F4-3866C18D-16GTZSW	G.SKILL 16GB (2x8GB) TridentZ DDR4 4000MHz
Prices (Change region) Out of Stock $124.99 - Buy now	Prices (Change region) Out of Stock + $4.99 Shipping $79.99 - Buy now
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Brand G.Skill	Brand G.Skill
Model F4-3866C18D-16GTZSW	Model F4-4000C19D-16GTZKW
Release Date -	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (88 reviews) Add a product review	User reviews ★★★★☆ (80 reviews) Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $7.81	Price/GB $5.00
GB/$1 0.13	GB/$1 0.2
Samsung B-Die Yes	Samsung B-Die Yes
Compatible PC parts Motherboards ►	Compatible PC parts Motherboards ►
Type 288-pin DDR4 DIMM	Type 288-pin DDR4 DIMM
Speed DDR4-3866 MHz	Speed DDR4-4000 MHz
Size 16GB (2 x 8GB)	Size 16GB (2 x 8GB)
CAS Latency 18	CAS Latency 19
Timing 18-19-19-39	Timing 19-21-21-41
First Word Latency 9.31 ns	First Word Latency 9.5 ns
Voltage 1.35 V	Voltage 1.35 V
Heat Spreader Yes	Heat Spreader Yes
ECC Support No	ECC Support No
Color Silver/White	Color Black/White