Memory kits / Comparison

G.Skill F4-4000C15Q-32GTRS 64GB (8x8GB) DDR4 4000 CL15 vs G.Skill Flare X5 Series DDR5 32GB

RAM · G.Skill

G.Skill F4-4000C15Q-32GTRS 64GB (8x8GB) DDR4 4000 CL15

8×8 GB · DDR4 · 4000 MHz · CL15
GEAR SCORE 87.0 / 100Top tier
Capacity100
Speed76
Latency100
Generation62
VS
RAM · G.Skill

G.Skill Flare X5 Series DDR5 32GB

2x16 GB · DDR5 · 6000 MHz · CL36
GEAR SCORE 87.0 / 100Top tier
Capacity90
Speed86
Latency75
Generation100
Verdict

G.Skill F4-4000C15Q-32GTRS 64GB (8x8GB) DDR4 4000 CL15 and G.Skill Flare X5 Series DDR5 32GB are neck and neck on specs: gear scores 87 and 87.

  • Total capacity: G.Skill F4-4000C15Q-32GTRS 64GB (8x8GB) DDR4 4000 CL15 leads (64 GB vs 32 GB).
  • Speed: G.Skill Flare X5 Series DDR5 32GB leads (6,000 MHz vs 4,000 MHz).
  • CAS latency: G.Skill F4-4000C15Q-32GTRS 64GB (8x8GB) DDR4 4000 CL15 leads (CL15 vs CL36).
  • G.Skill F4-4000C15Q-32GTRS 64GB (8x8GB) DDR4 4000 CL15 has lower true latency (7.5 ns vs 12.0 ns; speed and CL combined).
Pick this

G.Skill F4-4000C15Q-32GTRS 64GB (8x8GB) DDR4 4000 CL15

If you care most about total capacity, cAS latency, true latency.

Pick this

G.Skill Flare X5 Series DDR5 32GB

If you care most about speed.

Spec-by-spec comparison

G.Skill F4-4000C15Q-32GTRS 64GB (8x8GB) DDR4 4000 CL15G.Skill Flare X5 Series DDR5 32GB
87Gear score87
DDR4TypeDDR5
64 GBTotal capacity32 GB
8×8 GBKit2x16 GB
4,000 MHzSpeed6,000 MHz
CL15CAS latencyCL36
—Estimated price≈ $850

The gear score is computed from specifications only (e.g. for a mouse: weight, sensor, polling rate, connection and release year). It isn’t a lab test and doesn’t measure personal preferences like shape or grip.

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FAQ

Is G.Skill F4-4000C15Q-32GTRS 64GB (8x8GB) DDR4 4000 CL15 or G.Skill Flare X5 Series DDR5 32GB better?

G.Skill F4-4000C15Q-32GTRS 64GB (8x8GB) DDR4 4000 CL15 and G.Skill Flare X5 Series DDR5 32GB are neck and neck on specs: gear scores 87 and 87. Total capacity: G.Skill F4-4000C15Q-32GTRS 64GB (8x8GB) DDR4 4000 CL15 leads (64 GB vs 32 GB). Speed: G.Skill Flare X5 Series DDR5 32GB leads (6,000 MHz vs 4,000 MHz). CAS latency: G.Skill F4-4000C15Q-32GTRS 64GB (8x8GB) DDR4 4000 CL15 leads (CL15 vs CL36).

Which one is faster?

Speed: G.Skill Flare X5 Series DDR5 32GB leads (6,000 MHz vs 4,000 MHz).