AMD Ryzen 5 8640U vs Intel Core Ultra 7 155H

Comparative analysis of AMD Ryzen 5 8640U 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 8640U

Intel Core Ultra 7 155H

Differences

Reasons to consider the AMD Ryzen 5 8640U

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 1% better performance in PassMark - Single thread mark: 3568 vs 3516

Specifications (specs)
Maximum frequency	4.9 GHz vs 4.8 GHz
Manufacturing process technology	4 nm vs 7 nm
Benchmarks
PassMark - Single thread mark	3568 vs 3516

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 20% better performance in PassMark - CPU mark: 25161 vs 21025

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	25161 vs 21025

Compare benchmarks

CPU 1: AMD Ryzen 5 8640U
CPU 2: Intel Core Ultra 7 155H

PassMark - Single thread mark

CPU 1

CPU 2

3568

3516

PassMark - CPU mark

CPU 1

CPU 2

21025

25161

Name	AMD Ryzen 5 8640U	Intel Core Ultra 7 155H
PassMark - Single thread mark	3568	3516
PassMark - CPU mark	21025	25161

Compare specifications (specs)

	AMD Ryzen 5 8640U	Intel Core Ultra 7 155H
Essentials
Launch date	6 Dec 2023	14 Dec 2023
Place in performance rating	338	318
Launch price (MSRP)		$503
Performance
Base frequency	3.5 GHz	3.8 GHz
Die size	178 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	25,000 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	FP8	Intel BGA 2049
Thermal Design Power (TDP)	28 Watt	28 Watt
Peripherals
PCIe configurations	Gen 4, 20 Lanes, (CPU only)	Gen 5, 8 Lanes, (CPU only)