EPYC 9634 vs Ryzen 9 6900HX

Primary details

Comparing Ryzen 9 6900HX and EPYC 9634 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	448	10
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	2.11
Market segment	Laptop	Server
Series	AMD Rembrandt (Zen 3+)	AMD EPYC
Power efficiency	32.70	22.18
Architecture codename	Rembrandt-H (Zen 3+) (2022)	Genoa (2022−2023)
Release date	January 2022 (2 years ago)	10 November 2022 (2 years ago)
Launch price (MSRP)	no data	$10,304

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 6900HX and EPYC 9634 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)	84
Threads	16	168
Base clock speed	3.3 GHz	2.25 GHz
Boost clock speed	4.9 GHz	2.25 GHz
Multiplier	no data	22.5
L1 cache	64K (per core)	5376 KB
L2 cache	512K (per core)	84 MB
L3 cache	16 MB (shared)	384 MB (shared)
Chip lithography	6 nm	5 nm, 6 nm
Die size	208 mm2	12x 72 mm2
Maximum core temperature	95 °C	no data
Number of transistors	no data	78,840 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 9 6900HX and EPYC 9634 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	FP7	SP5
Power consumption (TDP)	45 Watt	290 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 6900HX and EPYC 9634. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA	no data
AES-NI	+	+
AVX	+	+
Precision Boost 2	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 6900HX and EPYC 9634 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 6900HX and EPYC 9634. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5	DDR5-4800
Maximum memory size	no data	6 TiB
Maximum memory bandwidth	no data	460.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

AMD Radeon 680M ( - 2400 MHz)

no data

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 6900HX and EPYC 9634.

PCIe version	4.0	5.0
PCI Express lanes	20	128

Synthetic benchmark performance

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

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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.

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Pros & cons summary

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Performance score	15.55	67.96
Physical cores	8	84
Threads	16	168
Chip lithography	6 nm	5 nm
Power consumption (TDP)	45 Watt	290 Watt

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Should you still have questions on choice between Ryzen 9 6900HX and EPYC 9634, ask them in Comments section, and we shall answer.

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