AMD Ryzen 5 8540U vs Intel Core Ultra 7 155H

Comparative analysis of AMD Ryzen 5 8540U 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.

AMD Ryzen 5 8540U

Intel Core Ultra 7 155H

Differences

Reasons to consider the AMD Ryzen 5 8540U

Around 2% higher clock speed: 4.9 GHz vs 4.8 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 7 nm
Around 6% better performance in PassMark - Single thread mark: 3761 vs 3540

Specifications (specs)
Maximum frequency	4.9 GHz vs 4.8 GHz
Manufacturing process technology	4 nm vs 7 nm
Benchmarks
PassMark - Single thread mark	3761 vs 3540

Reasons to consider the Intel Core Ultra 7 155H

10 more cores, run more applications at once: 16 vs 6
10 more threads: 22 vs 12
Around 10% higher maximum core temperature: 110°C vs 100°C
4.7x more L1 cache, more data can be stored in the L1 cache for quick access later
5.3x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 37% better performance in PassMark - CPU mark: 25125 vs 18276

Specifications (specs)
Number of cores	16 vs 6
Number of threads	22 vs 12
Maximum core temperature	110°C vs 100°C
L1 cache	112 KB (per core) vs 64 KB (per core)
L2 cache	2 MB (per core) vs 1 MB (per core)
L3 cache	24 MB (shared) vs 16 MB (shared)
Benchmarks
PassMark - CPU mark	25125 vs 18276

Compare benchmarks

CPU 1: AMD Ryzen 5 8540U
CPU 2: Intel Core Ultra 7 155H

PassMark - Single thread mark

CPU 1

CPU 2

3761

3540

PassMark - CPU mark

CPU 1

CPU 2

18276

25125

Name	AMD Ryzen 5 8540U	Intel Core Ultra 7 155H
PassMark - Single thread mark	3761	3540
PassMark - CPU mark	18276	25125

Compare specifications (specs)

	AMD Ryzen 5 8540U	Intel Core Ultra 7 155H
Essentials
Launch date	6 Dec 2023	14 Dec 2023
Place in performance rating	291	296
Launch price (MSRP)		$503
Performance
Base frequency	3.2 GHz	3.8 GHz
Die size	137 mm²
L1 cache	64 KB (per core)	112 KB (per core)
L2 cache	1 MB (per core)	2 MB (per core)
L3 cache	16 MB (shared)	24 MB (shared)
Manufacturing process technology	4 nm	7 nm
Maximum core temperature	100°C	110°C
Maximum frequency	4.9 GHz	4.8 GHz
Number of cores	6	16
Number of threads	12	22
Transistor count	20,900 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR5, Depends on motherboard
Compatibility
Configurable TDP	15-30 Watt
Max number of CPUs in a configuration	1	1
Sockets supported	FP7	Intel BGA 2049
Thermal Design Power (TDP)	28 Watt	28 Watt
Peripherals
PCIe configurations	Gen 4, 14 Lanes, (CPU only)	Gen 5, 8 Lanes, (CPU only)