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Intel Core i5-1235U vs Intel Core i7-1255U

Intel Core i5-1235U
46.9Inno Score
VS
WINNER
Intel Core i7-1255U
48.6Inno Score
49.8Single-core52.8
31.4Multi-core32.6
75.3Efficiencyspec-based75.3
50.3iGPU55.7
47.7Platformspec-based47.7
0 spec wins — Intel Core i5-1235U8 spec wins — Intel Core i7-1255U

InnoReviews verdict

Intel Core i7-1255U wins this laptop processor face-off, 48.6 to 46.9, pulling ahead mainly in iGPU (+5) and single-core (+3). Intel Core i5-1235U 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 i5-1235U

No decisive spec advantages — this side competes on price and preference.

Reasons to pick the Intel Core i7-1255U

  • Stronger single-core score: 53 vs 50
  • Stronger iGPU score: 56 vs 50
  • 31% higher Base clock: 1.7 GHz vs 1.3 GHz
  • 27% higher 3DMark Time Spy Graphics (iGPU): 1,496 vs 1,175
  • 10% higher Cinebench R23 (multi): 6,800 vs 6,200

General

General comparison: Intel Core i5-1235U versus Intel Core i7-1255U
SpecIntel Core i5-1235UIntel Core i7-1255U
Announced20222022
Process10 nm10 nm
Base TDP15 W15 W
Max TDP55 W55 W

Cores & Clocks

Cores & Clocks comparison: Intel Core i5-1235U versus Intel Core i7-1255U
SpecIntel Core i5-1235UIntel Core i7-1255U
Cores1010
Performance cores22
Efficiency cores88
Threads1212
Base clock1.3 GHz1.7 GHz+31%
Boost clock4.4 GHz4.7 GHz+7%
L3 cache12 MB12 MB

Integrated GPU

Integrated GPU comparison: Intel Core i5-1235U versus Intel Core i7-1255U
SpecIntel Core i5-1235UIntel Core i7-1255U
iGPUIntel Iris Xe (80 EU)Intel Iris Xe (96 EU)
iGPU clock1,200 MHz1,250 MHz

Memory

Memory comparison: Intel Core i5-1235U versus Intel Core i7-1255U
SpecIntel Core i5-1235UIntel Core i7-1255U
Memory supportLPDDR5-5200 / DDR5-4800 / LPDDR4X-4267LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267
Max memory64 GB64 GB

Benchmarks

Benchmarks comparison: Intel Core i5-1235U versus Intel Core i7-1255U
SpecIntel Core i5-1235UIntel Core i7-1255U
Geekbench 6 (single)2,000Bottom 20%2,130+7%Bottom 24%
Geekbench 6 (multi)6,100Bottom 14%6,600+8%Bottom 17%
Cinebench R23 (single)1,520Bottom 33%1,600+5%Bottom 40%
Cinebench R23 (multi)6,200Bottom 17%6,800+10%Bottom 19%
PassMark12,415Bottom 23%12,941+4%Bottom 25%
3DMark Time Spy Graphics (iGPU)1,175Bottom 44%1,496+27%Top 43%

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