Ryzen 9 7840HX vs Xeon Platinum 8458P

Primary details

Comparing Xeon Platinum 8458P and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	no data	AMD Dragon Range (Zen 4, Ryzen 7045)
Architecture codename	Sapphire Rapids (2023−2024)	Dragon Range-HX (Zen 4) (2023−2024)
Release date	10 January 2023 (1 year ago)	17 January 2024 (less than a year ago)

Detailed specifications

Xeon Platinum 8458P and Ryzen 9 7840HX 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	44	12 (Dodeca-Core)
Threads	88	24
Base clock speed	2.7 GHz	2.9 GHz
Boost clock speed	3.8 GHz	5.1 GHz
L1 cache	80K (per core)	768 KB
L2 cache	2 MB (per core)	12 MB
L3 cache	82.5 MB	64 MB
Chip lithography	Intel 7 nm	5 nm
Die size	4x 477 mm2	no data
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	78 °C	no data
Number of transistors	no data	9900 Million
64 bit support	+	+

Compatibility

Information on Xeon Platinum 8458P and Ryzen 9 7840HX 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	2	no data
Socket	FCLGA4677	FL1
Power consumption (TDP)	350 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8458P and Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	+	+
FMA	-	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Status	Launched	no data
Deep Learning Boost	+	-

Security technologies

Xeon Platinum 8458P and Ryzen 9 7840HX technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
SGX	Yes with Intel® SPS	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8458P and Ryzen 9 7840HX are enumerated here.

VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8458P and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800, DDR5-4400	DDR5
Maximum memory size	4 TB	no data
Max memory channels	8	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8458P and Ryzen 9 7840HX.

PCIe version	5.0	no data
PCI Express lanes	80	no data

Pros & cons summary

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Recency	10 January 2023	17 January 2024
Physical cores	44	12
Threads	88	24
Power consumption (TDP)	350 Watt	55 Watt

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Should you still have questions on choice between Xeon Platinum 8458P and Ryzen 9 7840HX, ask them in Comments section, and we shall answer.

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