AMD Ryzen 5 8640U vs Intel Core Ultra 5 135H

Comparative analysis of AMD Ryzen 5 8640U and Intel Core Ultra 5 135H 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 5 135H

Differences

Reasons to consider the AMD Ryzen 5 8640U

Around 7% higher clock speed: 4.9 GHz vs 4.6 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 7 nm

Maximum frequency	4.9 GHz vs 4.6 GHz
Manufacturing process technology	4 nm vs 7 nm

Reasons to consider the Intel Core Ultra 5 135H

8 more cores, run more applications at once: 14 vs 6
6 more threads: 18 vs 12
Around 10% higher maximum core temperature: 110°C vs 100°C
4.1x more L1 cache, more data can be stored in the L1 cache for quick access later
4.7x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 13% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 1% better performance in PassMark - Single thread mark: 3566 vs 3547
Around 9% better performance in PassMark - CPU mark: 22888 vs 20971

Specifications (specs)
Number of cores	14 vs 6
Number of threads	18 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	18 MB (shared) vs 16 MB (shared)
Benchmarks
PassMark - Single thread mark	3566 vs 3547
PassMark - CPU mark	22888 vs 20971

Compare benchmarks

CPU 1: AMD Ryzen 5 8640U
CPU 2: Intel Core Ultra 5 135H

PassMark - Single thread mark

CPU 1

CPU 2

3547

3566

PassMark - CPU mark

CPU 1

CPU 2

20971

22888

Name	AMD Ryzen 5 8640U	Intel Core Ultra 5 135H
PassMark - Single thread mark	3547	3566
PassMark - CPU mark	20971	22888

Compare specifications (specs)

	AMD Ryzen 5 8640U	Intel Core Ultra 5 135H
Essentials
Launch date	6 Dec 2023	14 Dec 2023
Place in performance rating	344	321
Performance
Base frequency	3.5 GHz	3.6 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)	18 MB (shared)
Manufacturing process technology	4 nm	7 nm
Maximum core temperature	100°C	110°C
Maximum frequency	4.9 GHz	4.6 GHz
Number of cores	6	14
Number of threads	12	18
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