AMD Ryzen 5 8645HS vs Intel Core Ultra 9 185H

Comparative analysis of AMD Ryzen 5 8645HS and Intel Core Ultra 9 185H 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 8645HS

Intel Core Ultra 9 185H

Differences

Reasons to consider the AMD Ryzen 5 8645HS

A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 7 nm

Specifications (specs)
Manufacturing process technology	4 nm vs 7 nm
Benchmarks
PassMark - Single thread mark	3725 vs 3708

Reasons to consider the Intel Core Ultra 9 185H

10 more cores, run more applications at once: 16 vs 6
10 more threads: 22 vs 12
Around 2% higher clock speed: 5.1 GHz vs 5 GHz
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 28% better performance in PassMark - CPU mark: 29385 vs 22985

Specifications (specs)
Number of cores	16 vs 6
Number of threads	22 vs 12
Maximum frequency	5.1 GHz vs 5 GHz
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	29385 vs 22985

Compare benchmarks

CPU 1: AMD Ryzen 5 8645HS
CPU 2: Intel Core Ultra 9 185H

PassMark - Single thread mark

CPU 1

CPU 2

3725

3708

PassMark - CPU mark

CPU 1

CPU 2

22985

29385

Name	AMD Ryzen 5 8645HS	Intel Core Ultra 9 185H
PassMark - Single thread mark	3725	3708
PassMark - CPU mark	22985	29385

Compare specifications (specs)

	AMD Ryzen 5 8645HS	Intel Core Ultra 9 185H
Essentials
Launch date	6 Dec 2023	14 Dec 2023
Place in performance rating	268	229
Performance
Base frequency	4.3 GHz	3.9 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	5 GHz	5.1 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	35-54 Watt
Max number of CPUs in a configuration	1	1
Sockets supported	FP8	Intel BGA 2049
Thermal Design Power (TDP)	45 Watt	45 Watt
Peripherals
PCIe configurations	Gen 4, 20 Lanes, (CPU only)	Gen 5, 8 Lanes, (CPU only)