Intel Core Ultra 5 135U vs Intel Core Ultra 5 125U

Comparative analysis of Intel Core Ultra 5 135U and Intel Core Ultra 5 125U 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 Ultra 5 135U

Intel Core Ultra 5 125U

Differences

Reasons to consider the Intel Core Ultra 5 135U

Around 2% higher clock speed: 4.4 GHz vs 4.3 GHz
Around 1% better performance in PassMark - CPU mark: 17845 vs 17750

Specifications (specs)
Maximum frequency	4.4 GHz vs 4.3 GHz
Benchmarks
PassMark - CPU mark	17845 vs 17750

Reasons to consider the Intel Core Ultra 5 125U

Benchmarks
PassMark - Single thread mark	3342 vs 3333

Compare benchmarks

CPU 1: Intel Core Ultra 5 135U
CPU 2: Intel Core Ultra 5 125U

PassMark - Single thread mark

CPU 1

CPU 2

3333

3342

PassMark - CPU mark

CPU 1

CPU 2

17845

17750

Name	Intel Core Ultra 5 135U	Intel Core Ultra 5 125U
PassMark - Single thread mark	3333	3342
PassMark - CPU mark	17845	17750

Compare specifications (specs)

	Intel Core Ultra 5 135U	Intel Core Ultra 5 125U
Essentials
Launch date	14 Dec 2023	14 Dec 2023
Launch price (MSRP)	$332	$363
Place in performance rating	451	447
Performance
Base frequency	1600 MHz	1300 MHz
L1 cache	112 KB (per core)	112 KB (per core)
L2 cache	2 MB (per core)	2 MB (per core)
L3 cache	12 MB (shared)	12 MB (shared)
Manufacturing process technology	7 nm	7 nm
Maximum core temperature	110°C	110°C
Maximum frequency	4.4 GHz	4.3 GHz
Number of cores	12	12
Number of threads	14	14
Unlocked
Memory
ECC memory support
Supported memory types	DDR5, Depends on motherboard	DDR5, Depends on motherboard
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	Intel BGA 2049	Intel BGA 2049
Thermal Design Power (TDP)	15 Watt	15 Watt
Peripherals
PCIe configurations	Gen 4, 12 Lanes, (CPU only)	Gen 4, 12 Lanes, (CPU only)