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Intel Core 3 100U vs Intel Core Ultra X9 388H

Intel Core 3 100U
47Inno Score
VS
WINNER
Intel Core Ultra X9 388H
69.6Inno Score
49.4Single-core74.6
33.6Multi-core61.3
75.3Efficiencyspec-based81.4
—iGPU88.3
45.9Platformspec-based56.4
1 spec wins — Intel Core 3 100U13 spec wins — Intel Core Ultra X9 388H

InnoReviews verdict

Intel Core Ultra X9 388H wins this laptop processor face-off, 69.6 to 47, pulling ahead mainly in multi-core (+28) and single-core (+25). Intel Core 3 100U still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the Intel Core 3 100U

  • 40% lower Base TDP: 15 W vs 25 W

Reasons to pick the Intel Core Ultra X9 388H

  • Stronger single-core score: 75 vs 49
  • Stronger multi-core score: 61 vs 34
  • 200% higher Efficiency cores: 12 vs 4
  • 196% higher PassMark: 36,409 vs 12,302
  • 167% higher cores: 16 vs 6

General

General comparison: Intel Core 3 100U versus Intel Core Ultra X9 388H
SpecIntel Core 3 100UIntel Core Ultra X9 388H
Announced20242026
Process10 nm2 nm+80%
Base TDP15 W+40%25 W
Max TDP55 W80 W+45%

Cores & Clocks

Cores & Clocks comparison: Intel Core 3 100U versus Intel Core Ultra X9 388H
SpecIntel Core 3 100UIntel Core Ultra X9 388H
Cores616+167%
Performance cores24+100%
Efficiency cores412+200%
Threads816+100%
Base clock1.2 GHz2.1 GHz+75%
Boost clock4.7 GHz5.1 GHz+9%
L3 cache10 MB18 MB+80%

Integrated GPU

Integrated GPU comparison: Intel Core 3 100U versus Intel Core Ultra X9 388H
SpecIntel Core 3 100UIntel Core Ultra X9 388H
iGPUIntel Graphics (64 EU)Intel Arc B390
iGPU clock1,250 MHz2,500 MHz

Memory

Memory comparison: Intel Core 3 100U versus Intel Core Ultra X9 388H
SpecIntel Core 3 100UIntel Core Ultra X9 388H
Memory supportDDR5-5200 / DDR4-3200 / LPDDR5X-5200 / LPDDR4X-4267LPDDR5X
Max memory96 GB96 GB

Benchmarks

Benchmarks comparison: Intel Core 3 100U versus Intel Core Ultra X9 388H
SpecIntel Core 3 100UIntel Core Ultra X9 388H
Geekbench 6 (single)2,295Bottom 35%3,038+32%Top 19%
Geekbench 6 (multi)6,940Bottom 19%17,395+151%Top 15%
Cinebench R23 (single)—2,201Top 6%
Cinebench R23 (multi)—18,911Top 18%
PassMark12,302Bottom 22%36,409+196%Top 15%
3DMark Time Spy Graphics (iGPU)—6,501Top 3%

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