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Intel Core 3 100U vs Intel Core i7-1255U

Intel Core 3 100U
47Inno Score
VS
WINNER
Intel Core i7-1255U
48.6Inno Score
49.4Single-core52.8
33.6Multi-core32.6
75.3Efficiencyspec-based75.3
—iGPU55.7
45.9Platformspec-based47.7
4 spec wins — Intel Core 3 100U6 spec wins — Intel Core i7-1255U

InnoReviews verdict

Intel Core i7-1255U wins this laptop processor face-off, 48.6 to 47, pulling ahead mainly in single-core (+3). 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

  • 50% higher Max memory: 96 GB vs 64 GB

Reasons to pick the Intel Core i7-1255U

  • Stronger single-core score: 53 vs 49
  • 100% higher Efficiency cores: 8 vs 4
  • 67% higher cores: 10 vs 6
  • 50% higher threads: 12 vs 8
  • 42% higher Base clock: 1.7 GHz vs 1.2 GHz

General

General comparison: Intel Core 3 100U versus Intel Core i7-1255U
SpecIntel Core 3 100UIntel Core i7-1255U
Announced20242022
Process10 nm10 nm
Base TDP15 W15 W
Max TDP55 W55 W

Cores & Clocks

Cores & Clocks comparison: Intel Core 3 100U versus Intel Core i7-1255U
SpecIntel Core 3 100UIntel Core i7-1255U
Cores610+67%
Performance cores22
Efficiency cores48+100%
Threads812+50%
Base clock1.2 GHz1.7 GHz+42%
Boost clock4.7 GHz4.7 GHz
L3 cache10 MB12 MB+20%

Integrated GPU

Integrated GPU comparison: Intel Core 3 100U versus Intel Core i7-1255U
SpecIntel Core 3 100UIntel Core i7-1255U
iGPUIntel Graphics (64 EU)Intel Iris Xe (96 EU)
iGPU clock1,250 MHz1,250 MHz

Memory

Memory comparison: Intel Core 3 100U versus Intel Core i7-1255U
SpecIntel Core 3 100UIntel Core i7-1255U
Memory supportDDR5-5200 / DDR4-3200 / LPDDR5X-5200 / LPDDR4X-4267LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267
Max memory96 GB+50%64 GB

Benchmarks

Benchmarks comparison: Intel Core 3 100U versus Intel Core i7-1255U
SpecIntel Core 3 100UIntel Core i7-1255U
Geekbench 6 (single)2,295+8%Bottom 35%2,130Bottom 24%
Geekbench 6 (multi)6,940+5%Bottom 19%6,600Bottom 17%
Cinebench R23 (single)—1,600Bottom 40%
Cinebench R23 (multi)—6,800Bottom 19%
PassMark12,302Bottom 22%12,941+5%Bottom 25%
3DMark Time Spy Graphics (iGPU)—1,496Top 43%

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