Ryzen 5 8640U vs i5-11400F

Primary details

Comparing Core i5-11400F and Ryzen 5 8640U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	730	569
Place by popularity	30	not in top-100
Cost-effectiveness evaluation	39.44	no data
Market segment	Desktop processor	Laptop
Power efficiency	15.51	44.52
Architecture codename	Rocket Lake (2021)	Hawk Point-U (Zen 4) (2023)
Release date	16 March 2021 (3 years ago)	6 December 2023 (1 year ago)
Launch price (MSRP)	$157	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-11400F and Ryzen 5 8640U 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	6 (Hexa-Core)	6 (Hexa-Core)
Threads	12	12
Base clock speed	2.6 GHz	3.5 GHz
Boost clock speed	4.4 GHz	4.9 GHz
Bus rate	8 GT/s	no data
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	12 MB (shared)	16 MB (shared)
Chip lithography	14 nm	4 nm
Die size	276 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	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Core i5-11400F and Ryzen 5 8640U 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	FCLGA1200	FP8
Power consumption (TDP)	65 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-11400F and Ryzen 5 8640U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	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
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	-	no data
Precision Boost 2	no data	+
Deep Learning Boost	+	-

Security technologies

Core i5-11400F and Ryzen 5 8640U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	-
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-11400F and Ryzen 5 8640U 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 i5-11400F and Ryzen 5 8640U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	50 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 760M ( - 2600 MHz)

Peripherals

Specifications and connection of peripherals supported by Core i5-11400F and Ryzen 5 8640U.

PCIe version	4.0	4.0
PCI Express lanes	20	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	10.71	13.24
Recency	16 March 2021	6 December 2023
Chip lithography	14 nm	4 nm
Power consumption (TDP)	65 Watt	28 Watt

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Should you still have questions on choice between Core i5-11400F and Ryzen 5 8640U, ask them in Comments section, and we shall answer.

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