Ryzen 5 8640HS vs i9-14900HX

Primary details

Comparing Core i9-14900HX and Ryzen 5 8640HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	158	589
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Raptor Lake-HX	no data
Power efficiency	49.49	43.80
Architecture codename	Raptor Lake-HX Refresh (2024)	Hawk Point-HS (Zen 4) (2023−2024)
Release date	8 January 2024 (less than a year ago)	6 December 2023 (1 year ago)

Detailed specifications

Core i9-14900HX and Ryzen 5 8640HS 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	24 (Tetracosa-Core)	6 (Hexa-Core)
Threads	32	12
Base clock speed	2.2 GHz	3.5 GHz
Boost clock speed	5.7 GHz	4.9 GHz
Bus rate	157 MHz	no data
L1 cache	80 KB (per core)	64 KB (per core)
L2 cache	2 MB (per core)	1 MB (per core)
L3 cache	36 MB (shared)	16 MB (shared)
Chip lithography	Intel 7 nm	4 nm
Die size	257 mm2	178 mm2
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	25,000 million
64 bit support	+	+
Unlocked multiplier	+	-

Compatibility

Information on Core i9-14900HX and Ryzen 5 8640HS 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	1
Socket	FCBGA1964	FP8
Power consumption (TDP)	55 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-14900HX and Ryzen 5 8640HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI	+	+
FMA	+	-
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Turbo Boost Max 3.0	+	no data
Precision Boost 2	no data	+
Deep Learning Boost	+	-

Security technologies

Core i9-14900HX and Ryzen 5 8640HS technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-14900HX and Ryzen 5 8640HS are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-14900HX and Ryzen 5 8640HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4, DDR5	DDR5
Maximum memory size	192 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	89.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics for 14th Gen Intel Processors	AMD Radeon 760M ( - 2600 MHz)
Quick Sync Video	+	-
Graphics max frequency	1.65 GHz	no data
Execution Units	32	no data

Graphics interfaces

Available interfaces and connections of Core i9-14900HX and Ryzen 5 8640HS integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core i9-14900HX and Ryzen 5 8640HS integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096 x 2160 @ 60Hz	no data
Max resolution over eDP	5120 x 3200 @ 120Hz	no data
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	no data

Graphics API support

APIs supported by Core i9-14900HX and Ryzen 5 8640HS integrated GPUs, sometimes API versions are included.

DirectX	12.1	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core i9-14900HX and Ryzen 5 8640HS.

PCIe version	5.0 and 4.0	4.0
PCI Express lanes	16	20

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	28.76	12.96
Integrated graphics card	5.58	14.90
Recency	8 January 2024	6 December 2023
Physical cores	24	6
Threads	32	12
Power consumption (TDP)	55 Watt	28 Watt

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Should you still have questions on choice between Core i9-14900HX and Ryzen 5 8640HS, ask them in Comments section, and we shall answer.

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