How do the scores compare?

Intel Core 3 100U scores 47/100 overall; Intel Core 5 315 scores 50.7/100. Intel Core 3 100U wins 5 individual spec rows, Intel Core 5 315 wins 6.

What are the main differences between the Intel Core 3 100U and the Intel Core 5 315?

Intel Core 3 100U advantages: 67% higher L3 cache: 10 MB vs 6 MB; 57% higher Max TDP: 55 W vs 35 W; 50% higher Max memory: 96 GB vs 64 GB; 33% higher threads: 8 vs 6. Intel Core 5 315 advantages: Stronger single-core score: 54 vs 49; 80% lower process: 2 nm vs 10 nm; 25% higher Base clock: 1.5 GHz vs 1.2 GHz; 19% higher PassMark: 14,672 vs 12,302; 10% higher Geekbench 6 (single): 2,516 vs 2,295.

Intel Core 3 100U vs Intel Core 5 315

Intel

Intel Core 3 100U

WINNER

Intel

Intel Core 5 315

49.4Single-core54

33.6Multi-core35.7

75.3Efficiencyspec-based93

45.9Platformspec-based37.9

5 spec wins — Intel Core 3 100U6 spec wins — Intel Core 5 315

InnoReviews verdict

Intel Core 5 315 wins this laptop processor face-off, 50.7 to 47, pulling ahead mainly in single-core (+5) and multi-core (+2). 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

67% higher L3 cache: 10 MB vs 6 MB
57% higher Max TDP: 55 W vs 35 W
50% higher Max memory: 96 GB vs 64 GB
33% higher threads: 8 vs 6

Reasons to pick the Intel Core 5 315

Stronger single-core score: 54 vs 49
80% lower process: 2 nm vs 10 nm
25% higher Base clock: 1.5 GHz vs 1.2 GHz
19% higher PassMark: 14,672 vs 12,302
10% higher Geekbench 6 (single): 2,516 vs 2,295

General

General comparison: Intel Core 3 100U versus Intel Core 5 315
Spec	Intel Core 3 100U	Intel Core 5 315
Announced	2024	2026
Process	10 nm	2 nm+80%
Base TDP	15 W	15 W
Max TDP	55 W+57%	35 W

Cores & Clocks

Cores & Clocks comparison: Intel Core 3 100U versus Intel Core 5 315
Spec	Intel Core 3 100U	Intel Core 5 315
Cores	6	6
Performance cores	2	2
Efficiency cores	4	4
Threads	8+33%	6
Base clock	1.2 GHz	1.5 GHz+25%
Boost clock	4.7 GHz+7%	4.4 GHz
L3 cache	10 MB+67%	6 MB

Integrated GPU

Integrated GPU comparison: Intel Core 3 100U versus Intel Core 5 315
Spec	Intel Core 3 100U	Intel Core 5 315
iGPU	Intel Graphics (64 EU)	Intel Graphics (2 Xe3-cores)
iGPU clock	1,250 MHz	2,300 MHz

Memory

Memory comparison: Intel Core 3 100U versus Intel Core 5 315
Spec	Intel Core 3 100U	Intel Core 5 315
Memory support	DDR5-5200 / DDR4-3200 / LPDDR5X-5200 / LPDDR4X-4267	LPDDR5X-7467 / DDR5-6400
Max memory	96 GB+50%	64 GB

Benchmarks

Benchmarks comparison: Intel Core 3 100U versus Intel Core 5 315
Spec	Intel Core 3 100U	Intel Core 5 315
Geekbench 6 (single)	2,295Bottom 32%	2,516+10%Bottom 51%
Geekbench 6 (multi)	6,940Bottom 19%	7,454+7%Bottom 23%
PassMark	12,302Bottom 22%	14,672+19%Bottom 29%

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