AMD Ryzen 9 5900HX vs AMD Ryzen 7 4800U

Comparative analysis of AMD Ryzen 9 5900HX and AMD Ryzen 7 4800U processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Graphics interfaces. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

AMD Ryzen 9 5900HX

AMD Ryzen 7 4800U

Differences

Reasons to consider the AMD Ryzen 9 5900HX

CPU is newer: launch date 1 year(s) 0 month(s) later
Around 10% higher clock speed: 4.6 GHz vs 4.2 GHz
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 24% better performance in PassMark - Single thread mark: 3196 vs 2577
Around 35% better performance in PassMark - CPU mark: 22603 vs 16718

Specifications (specs)
Launch date	12 Jan 2021 vs 6 Jan 2020
Maximum frequency	4.6 GHz vs 4.2 GHz
L3 cache	16 MB vs 8 MB
Benchmarks
PassMark - Single thread mark	3196 vs 2577
PassMark - CPU mark	22603 vs 16718

Reasons to consider the AMD Ryzen 7 4800U

2x more L1 cache, more data can be stored in the L1 cache for quick access later
3x lower typical power consumption: 15 Watt vs 45 Watt

L1 cache	1 MB vs 512 KB
Thermal Design Power (TDP)	15 Watt vs 45 Watt

Compare benchmarks

CPU 1: AMD Ryzen 9 5900HX
CPU 2: AMD Ryzen 7 4800U

PassMark - Single thread mark

CPU 1

CPU 2

3196

2577

PassMark - CPU mark

CPU 1

CPU 2

22603

16718

Name	AMD Ryzen 9 5900HX	AMD Ryzen 7 4800U
PassMark - Single thread mark	3196	2577
PassMark - CPU mark	22603	16718
3DMark Fire Strike - Physics Score	6544

Compare specifications (specs)

	AMD Ryzen 9 5900HX	AMD Ryzen 7 4800U
Essentials
Architecture codename	Zen 3	Zen 2
Launch date	12 Jan 2021	6 Jan 2020
Place in performance rating	665	701
Vertical segment	Laptop	Laptop
OPN Tray		100-000000082
Performance
Base frequency	3.3 GHz	1.8 GHz
L1 cache	512 KB	1 MB
L2 cache	4 MB	4 MB
L3 cache	16 MB	8 MB
Manufacturing process technology	7 nm	7 nm
Maximum frequency	4.6 GHz	4.2 GHz
Number of cores	8	8
Number of threads	16	16
Unlocked
Maximum core temperature		105 °C
Number of GPU cores		8
Memory
ECC memory support
Max memory channels	2
Maximum memory bandwidth	47.68 GB/s
Maximum memory size	128 GB
Supported memory types	DDR4-4266	DDR4-3200, LPDDR4-4266
Compatibility
Sockets supported	FP6	FP6
Thermal Design Power (TDP)	45 Watt	15 Watt
Configurable TDP		10-25 Watt
Max number of CPUs in a configuration		1
Peripherals
Max number of PCIe lanes	20
PCI Express revision	4.0	3.0
PCIe configurations	1x16+x4, 2x8+x4, 1x8+2x4+x4
Advanced Technologies
AMD SenseMI
AMD StoreMI technology
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)
Graphics interfaces
DisplayPort
HDMI