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InnoReviews

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

I
36.3Inno Score
VS
WINNER
I
37.8Inno Score
30.7Single-core35.6
20Multi-core20
75.3Efficiency75.3
32iGPU34
47.7Platform47.7
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, 37.8 to 36.3, pulling ahead mainly in Single-core (+5) and iGPU (+2). 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: 36 vs 31
  • 31% higher Base clock: 1.7 GHz vs 1.3 GHz
  • 10% higher Cinebench R23 (multi): 6,800 vs 6,200
  • 10% higher PassMark: 13,000 vs 11,800

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+4%

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)2,000Top 97%2,130+7%Top 93%
Geekbench 6 (multi)6,100Top 100%6,600+8%Top 99%
Cinebench R23 (single)1,520Top 92%1,600+5%Top 79%
Cinebench R23 (multi)6,200Top 100%6,800+10%Top 98%
PassMark11,800Top 100%13,000+10%Top 98%

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