AMD Ryzen 7 PRO 8840U vs AMD Ryzen 5 8400F

Comparative analysis of AMD Ryzen 7 PRO 8840U 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 7 PRO 8840U

AMD Ryzen 5 8400F

Differences

Reasons to consider the AMD Ryzen 7 PRO 8840U

2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 9% higher clock speed: 5.1 GHz vs 4.7 GHz
Around 5% higher maximum core temperature: 100°C vs 95°C
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
2.3x lower typical power consumption: 28 Watt vs 65 Watt
Around 1% better performance in PassMark - Single thread mark: 3709 vs 3678

Specifications (specs)
Number of cores	8 vs 6
Number of threads	16 vs 12
Maximum frequency	5.1 GHz vs 4.7 GHz
Maximum core temperature	100°C vs 95°C
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	1 MB (per core) vs 1 MB (per core)
Thermal Design Power (TDP)	28 Watt vs 65 Watt
Benchmarks
PassMark - Single thread mark	3709 vs 3678

Reasons to consider the AMD Ryzen 5 8400F

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 2% better performance in PassMark - CPU mark: 24423 vs 23941

Specifications (specs)
Unlocked	Unlocked vs Locked
Benchmarks
PassMark - CPU mark	24423 vs 23941

Compare benchmarks

CPU 1: AMD Ryzen 7 PRO 8840U
CPU 2: AMD Ryzen 5 8400F

PassMark - Single thread mark

CPU 1

CPU 2

3709

3678

PassMark - CPU mark

CPU 1

CPU 2

23941

24423

Name	AMD Ryzen 7 PRO 8840U	AMD Ryzen 5 8400F
PassMark - Single thread mark	3709	3678
PassMark - CPU mark	23941	24423

Compare specifications (specs)

	AMD Ryzen 7 PRO 8840U	AMD Ryzen 5 8400F
Essentials
Launch date	16 Apr 2024	1 Apr 2024
Place in performance rating	256	260
Launch price (MSRP)		$170
Performance
Base frequency	3.3 GHz	4.2 GHz
Die size	178 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	5.1 GHz	4.7 GHz
Number of cores	8	6
Number of threads	16	12
Transistor count	25,000 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, 20 Lanes, (CPU only)	Gen 4, 20 Lanes, (CPU only)