AMD Ryzen 5 PRO 8540U vs AMD Ryzen 5 8400F

Comparative analysis of AMD Ryzen 5 PRO 8540U and AMD Ryzen 5 8400F 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 PRO 8540U

AMD Ryzen 5 8400F

Differences

Reasons to consider the AMD Ryzen 5 PRO 8540U

Around 4% higher clock speed: 4.9 GHz vs 4.7 GHz
Around 5% higher maximum core temperature: 100°C vs 95°C
2.3x lower typical power consumption: 28 Watt vs 65 Watt

Maximum frequency	4.9 GHz vs 4.7 GHz
Maximum core temperature	100°C vs 95°C
Thermal Design Power (TDP)	28 Watt vs 65 Watt

Reasons to consider the AMD Ryzen 5 8400F

Processor is unlocked, an unlocked multiplier allows for easier overclocking

Unlocked	Unlocked vs Locked

Compare benchmarks

CPU 1: AMD Ryzen 5 PRO 8540U
CPU 2: AMD Ryzen 5 8400F

Name	AMD Ryzen 5 PRO 8540U	AMD Ryzen 5 8400F
PassMark - Single thread mark		3627
PassMark - CPU mark		23989

Compare specifications (specs)

	AMD Ryzen 5 PRO 8540U	AMD Ryzen 5 8400F
Essentials
Launch date	16 Apr 2024	1 Apr 2024
Place in performance rating	not rated	286
Launch price (MSRP)		$170
Performance
Base frequency	3.2 GHz	4.2 GHz
Die size	137 mm²	178 mm²
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	16 MB (shared)	16 MB (shared)
Manufacturing process technology	4 nm	4 nm
Maximum core temperature	100°C	95°C
Maximum frequency	4.9 GHz	4.7 GHz
Number of cores	6	6
Number of threads	12	12
Transistor count	20,900 million	25,000 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR5
Compatibility
Configurable TDP	15-30 Watt	45 Watt
Max number of CPUs in a configuration	1	1
Sockets supported	FP7	AM5
Thermal Design Power (TDP)	28 Watt	65 Watt
Peripherals
PCIe configurations	Gen 4, 14 Lanes, (CPU only)	Gen 4, 20 Lanes, (CPU only)