Intel Core 3 100U vs Intel Core Ultra 7 155H

Comparative analysis of Intel Core 3 100U and Intel Core Ultra 7 155H processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Core 3 100U

Intel Core Ultra 7 155H

Differences

Reasons to consider the Intel Core 3 100U

Around 87% lower typical power consumption: 15 Watt vs 28 Watt
Around 9% better performance in PassMark - Single thread mark: 3847 vs 3540

Specifications (specs)
Thermal Design Power (TDP)	15 Watt vs 28 Watt
Benchmarks
PassMark - Single thread mark	3847 vs 3540

Reasons to consider the Intel Core Ultra 7 155H

10 more cores, run more applications at once: 16 vs 6
14 more threads: 22 vs 8
Around 2% higher clock speed: 4.8 GHz vs 4.7 GHz
Around 10% higher maximum core temperature: 110°C vs 100°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm
3.7x more L1 cache, more data can be stored in the L1 cache for quick access later
4.3x more L2 cache, more data can be stored in the L2 cache for quick access later
2.4x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 67% better performance in PassMark - CPU mark: 25125 vs 15072

Specifications (specs)
Number of cores	16 vs 6
Number of threads	22 vs 8
Maximum frequency	4.8 GHz vs 4.7 GHz
Maximum core temperature	110°C vs 100°C
Manufacturing process technology	7 nm vs 10 nm
L1 cache	112 KB (per core) vs 80 KB (per core)
L2 cache	2 MB (per core) vs 1.25 MB (per core)
L3 cache	24 MB (shared) vs 10 MB (shared)
Benchmarks
PassMark - CPU mark	25125 vs 15072

Compare benchmarks

CPU 1: Intel Core 3 100U
CPU 2: Intel Core Ultra 7 155H

PassMark - Single thread mark

CPU 1

CPU 2

3847

3540

PassMark - CPU mark

CPU 1

CPU 2

15072

25125

Name	Intel Core 3 100U	Intel Core Ultra 7 155H
PassMark - Single thread mark	3847	3540
PassMark - CPU mark	15072	25125

Compare specifications (specs)

	Intel Core 3 100U	Intel Core Ultra 7 155H
Essentials
Launch date	8 Jan 2024	14 Dec 2023
Launch price (MSRP)	$426	$503
Place in performance rating	295	296
Performance
Base frequency	1200 MHz	3.8 GHz
L1 cache	80 KB (per core)	112 KB (per core)
L2 cache	1.25 MB (per core)	2 MB (per core)
L3 cache	10 MB (shared)	24 MB (shared)
Manufacturing process technology	10 nm	7 nm
Maximum core temperature	100°C	110°C
Maximum frequency	4.7 GHz	4.8 GHz
Number of cores	6	16
Number of threads	8	22
Unlocked
Memory
ECC memory support
Supported memory types	DDR4, DDR5	DDR5, Depends on motherboard
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	Intel BGA 1744	Intel BGA 2049
Thermal Design Power (TDP)	15 Watt	28 Watt
Peripherals
PCIe configurations	Gen 4, 8 Lanes, (CPU only)	Gen 5, 8 Lanes, (CPU only)