Ryzen 9 5900H vs Ryzen 7 5800U

Place in the ranking	651	571
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Cezanne (Zen 3, Ryzen 5000)	AMD Cezanne (Zen 3, Ryzen 5000)
Architecture codename	Cezanne-U (Zen 3) (2021)	Cezanne U (Zen 3) (2021−2022)
Release date	12 January 2021 (3 years ago)	7 January 2021 (3 years ago)

Detailed specifications

Ryzen 7 5800U and Ryzen 9 5900H basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	8 (Octa-Core)	8 (Octa-Core)
Threads	16	16
Base clock speed	1.9 GHz	3.3 GHz
Boost clock speed	4.4 GHz	4.6 GHz
Multiplier	19	no data
L1 cache	64K (per core)	512 KB
L2 cache	512K (per core)	4 MB
L3 cache	16 MB (shared)	16 MB
Chip lithography	7 nm	7 nm
Die size	180 mm²	no data
Maximum core temperature	105 °C	no data
Number of transistors	10,700 million	no data
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Ryzen 7 5800U and Ryzen 9 5900H compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	no data
Socket	FP6	FP6
Power consumption (TDP)	15 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 5800U and Ryzen 9 5900H. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME	XFR, FMA3, SSE 4.2, AVX2, SMT
AES-NI	+	-
FMA	+	-
AVX	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 5800U and Ryzen 9 5900H are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 5800U and Ryzen 9 5900H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR4

no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

AMD Radeon RX Vega 8 (Ryzen 4000/5000)

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 5800U and Ryzen 9 5900H.

PCIe version	3.0	no data
PCI Express lanes	8	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen 7 5800U 12.06

Ryzen 9 5900H 13.46
+11.6%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ryzen 7 5800U 18415

Ryzen 9 5900H 20557
+11.6%