Memory kits / Comparison

G.Skill F4-4000C18Q2-64GTZKK 64GB (8x8GB) DDR4 4000 CL18 vs Lexar THOR RGB DDR5-6000 CL38

RAM · G.Skill

G.Skill F4-4000C18Q2-64GTZKK 64GB (8x8GB) DDR4 4000 CL18

8×8 GB · DDR4 · 4000 MHz · CL18
GEAR SCORE 86.0 / 100Top tier
Capacity100
Speed76
Latency97
Generation62
VS
RAM · Lexar

Lexar THOR RGB DDR5-6000 CL38

2x16GB · DDR5 · 6000 MHz · CL38
GEAR SCORE 86.0 / 100Top tier
Capacity90
Speed86
Latency71
Generation100
Verdict

G.Skill F4-4000C18Q2-64GTZKK 64GB (8x8GB) DDR4 4000 CL18 and Lexar THOR RGB DDR5-6000 CL38 are neck and neck on specs: gear scores 86 and 86.

  • Total capacity: G.Skill F4-4000C18Q2-64GTZKK 64GB (8x8GB) DDR4 4000 CL18 leads (64 GB vs 32 GB).
  • Speed: Lexar THOR RGB DDR5-6000 CL38 leads (6,000 MHz vs 4,000 MHz).
  • CAS latency: G.Skill F4-4000C18Q2-64GTZKK 64GB (8x8GB) DDR4 4000 CL18 leads (CL18 vs CL38).
  • G.Skill F4-4000C18Q2-64GTZKK 64GB (8x8GB) DDR4 4000 CL18 has lower true latency (9.0 ns vs 12.7 ns; speed and CL combined).
Pick this

G.Skill F4-4000C18Q2-64GTZKK 64GB (8x8GB) DDR4 4000 CL18

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

Pick this

Lexar THOR RGB DDR5-6000 CL38

If you care most about speed.

Spec-by-spec comparison

G.Skill F4-4000C18Q2-64GTZKK 64GB (8x8GB) DDR4 4000 CL18Lexar THOR RGB DDR5-6000 CL38
86Gear score86
DDR4TypeDDR5
64 GBTotal capacity32 GB
8×8 GBKit2x16GB
4,000 MHzSpeed6,000 MHz
CL18CAS latencyCL38
—Estimated price≈ $1,100

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.

Free · no install

Which one adds more to your setup?

The scanner finds your graphics card, CPU, RAM, monitor, mouse and keyboard in under a minute. You get a score out of 100, estimated FPS in games, a bottleneck check and upgrade tips made for you.

FAQ

Is G.Skill F4-4000C18Q2-64GTZKK 64GB (8x8GB) DDR4 4000 CL18 or Lexar THOR RGB DDR5-6000 CL38 better?

G.Skill F4-4000C18Q2-64GTZKK 64GB (8x8GB) DDR4 4000 CL18 and Lexar THOR RGB DDR5-6000 CL38 are neck and neck on specs: gear scores 86 and 86. Total capacity: G.Skill F4-4000C18Q2-64GTZKK 64GB (8x8GB) DDR4 4000 CL18 leads (64 GB vs 32 GB). Speed: Lexar THOR RGB DDR5-6000 CL38 leads (6,000 MHz vs 4,000 MHz). CAS latency: G.Skill F4-4000C18Q2-64GTZKK 64GB (8x8GB) DDR4 4000 CL18 leads (CL18 vs CL38).

Which one is faster?

Speed: Lexar THOR RGB DDR5-6000 CL38 leads (6,000 MHz vs 4,000 MHz).