How do the scores compare?

Intel Core i5-1240P scores 48/100 overall; Intel Core i7-1355U scores 52.6/100. Intel Core i5-1240P wins 6 individual spec rows, Intel Core i7-1355U wins 7.

What are the main differences between the Intel Core i5-1240P and the Intel Core i7-1355U?

Intel Core i5-1240P advantages: 100% higher Performance cores: 4 vs 2; 33% higher threads: 16 vs 12; 20% higher cores: 12 vs 10; 16% higher Max TDP: 64 W vs 55 W; 15% higher Geekbench 6 (multi): 10,364 vs 8,984. Intel Core i7-1355U advantages: Stronger single-core score: 61 vs 52; 50% higher Max memory: 96 GB vs 64 GB; 46% lower Base TDP: 15 W vs 28 W; 22% higher Cinebench R23 (single): 1,805 vs 1,475; 14% higher Boost clock: 5 GHz vs 4.4 GHz.

Intel Core i5-1240P vs Intel Core i7-1355U

Intel

Intel Core i5-1240P

WINNER

Intel

Intel Core i7-1355U

51.5Single-core60.9

39.2Multi-core37.1

60.2Efficiencyspec-based75.3

—iGPU55.7

50.7Platformspec-based50.3

6 spec wins — Intel Core i5-1240P7 spec wins — Intel Core i7-1355U

InnoReviews verdict

Intel Core i7-1355U wins this laptop processor face-off, 52.6 to 48, pulling ahead mainly in single-core (+9). Intel Core i5-1240P 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 i5-1240P

100% higher Performance cores: 4 vs 2
33% higher threads: 16 vs 12
20% higher cores: 12 vs 10
16% higher Max TDP: 64 W vs 55 W
15% higher Geekbench 6 (multi): 10,364 vs 8,984

Reasons to pick the Intel Core i7-1355U

Stronger single-core score: 61 vs 52
50% higher Max memory: 96 GB vs 64 GB
46% lower Base TDP: 15 W vs 28 W
22% higher Cinebench R23 (single): 1,805 vs 1,475
14% higher Boost clock: 5 GHz vs 4.4 GHz

General

General comparison: Intel Core i5-1240P versus Intel Core i7-1355U
Spec	Intel Core i5-1240P	Intel Core i7-1355U
Announced	2022	2023
Process	10 nm	10 nm
Base TDP	28 W	15 W+46%
Max TDP	64 W+16%	55 W

Cores & Clocks

Cores & Clocks comparison: Intel Core i5-1240P versus Intel Core i7-1355U
Spec	Intel Core i5-1240P	Intel Core i7-1355U
Cores	12+20%	10
Performance cores	4+100%	2
Efficiency cores	8	8
Threads	16+33%	12
Base clock	1.7 GHz	1.7 GHz
Boost clock	4.4 GHz	5 GHz+14%
L3 cache	12 MB	12 MB

Integrated GPU

Integrated GPU comparison: Intel Core i5-1240P versus Intel Core i7-1355U
Spec	Intel Core i5-1240P	Intel Core i7-1355U
iGPU	Intel Iris Xe (80 EU)	Intel Iris Xe (96 EU)
iGPU clock	1,300 MHz	1,300 MHz

Memory

Memory comparison: Intel Core i5-1240P versus Intel Core i7-1355U
Spec	Intel Core i5-1240P	Intel Core i7-1355U
Memory support	LPDDR5-5200 / DDR5-4800 / LPDDR4x-4267 / DDR4-3200	LPDDR5-6400 / DDR5-5200 / DDR4-3200 / LPDDR4X-4267
Max memory	64 GB	96 GB+50%

Benchmarks

Benchmarks comparison: Intel Core i5-1240P versus Intel Core i7-1355U
Spec	Intel Core i5-1240P	Intel Core i7-1355U
Geekbench 6 (single)	2,209Bottom 31%	2,491+13%Top 50%
Geekbench 6 (multi)	10,364+15%Bottom 42%	8,984Bottom 32%
Cinebench R23 (single)	1,475Bottom 29%	1,805+22%Top 38%
Cinebench R23 (multi)	8,274Bottom 26%	8,637+4%Bottom 29%
PassMark	15,707+14%Bottom 33%	13,837Bottom 27%
3DMark Time Spy Graphics (iGPU)	—	1,496Top 42%

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