EPYC 9555 vs Ryzen 7 4800H

Primary details

Comparing Ryzen 7 4800H and EPYC 9555 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	665	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	AMD Renoir (Ryzen 4000 APU)	no data
Power efficiency	24.48	no data
Architecture codename	Renoir-H (Zen 2) (2020)	Turin (2024)
Release date	6 January 2020 (4 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$9,826

Detailed specifications

Ryzen 7 4800H and EPYC 9555 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)	64 (Tetrahexaconta-Core)
Threads	16	128
Base clock speed	2.9 GHz	3.2 GHz
Boost clock speed	4.2 GHz	4.4 GHz
Multiplier	29	no data
L1 cache	512 KB	80 KB (per core)
L2 cache	4 MB	1 MB (per core)
L3 cache	8 MB	256 MB (shared)
Chip lithography	7 nm	4 nm
Die size	156 mm2	8x 70.6 mm2
Maximum core temperature	105 °C	no data
Number of transistors	9800 Million	66,520 million
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Ryzen 7 4800H and EPYC 9555 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	2
Socket	FP6	SP5
Power consumption (TDP)	45 Watt	360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 4800H and EPYC 9555. 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	no data
AES-NI	+	+
FMA	+	-
AVX	+	+
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 4800H and EPYC 9555 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 4800H and EPYC 9555. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5
Maximum memory size	64 GB	no data
Maximum memory bandwidth	68.27 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

AMD Radeon Vega 7

N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 4800H and EPYC 9555.

PCIe version	3.0	5.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	6 January 2020	10 October 2024
Physical cores	8	64
Threads	16	128
Chip lithography	7 nm	4 nm
Power consumption (TDP)	45 Watt	360 Watt

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