Core i9-11900F vs Ryzen 7 5800X

Primary details

Comparing Ryzen 7 5800X and Core i9-11900F processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	316	467
Place by popularity	84	not in top-100
Cost-effectiveness evaluation	41.81	46.71
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen 7	no data
Architecture codename	Vermeer (Zen 3)	Rocket Lake (2021)
Release date	8 October 2020 (3 years ago)	16 March 2021 (3 years ago)
Launch price (MSRP)	$449	no data
Current price	$321 (0.7x MSRP)	$229

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-11900F has 12% better value for money than Ryzen 7 5800X.

Detailed specifications

Ryzen 7 5800X and Core i9-11900F 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)	8 (Octa-Core)
Threads	16	16
Base clock speed	3.8 GHz	2.5 GHz
Boost clock speed	4.7 GHz	5.1 GHz
L1 cache	512 KB	64K (per core)
L2 cache	4 MB	256K (per core)
L3 cache	32 MB	16 MB (shared)
Chip lithography	7 nm, 12 nm	14 nm
Die size	2 x 80.7 sq. mm; I/O = 125 mm2	no data
Maximum core temperature	90 °C	100 °C
Maximum case temperature (TCase)	95 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen 7 5800X and Core i9-11900F 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	AM4	FCLGA1200
Power consumption (TDP)	105 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 5800X and Core i9-11900F. You'll probably need this information if you require some particular technology.

Instruction set extensions	DDR4-3200 RAM, PCIe 4, MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	no data	+
Idle States	no data	+
Thermal Monitoring	no data	+
SIPP	no data	-
Turbo Boost Max 3.0	no data	+
Status	no data	Discontinued

Security technologies

Ryzen 7 5800X and Core i9-11900F technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 5800X and Core i9-11900F are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 5800X and Core i9-11900F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-3200
Maximum memory size	128 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	51.196 GB/s	50 GB/s
ECC memory support	-	-

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 5800X and Core i9-11900F.

PCIe version	4.0	4.0
PCI Express lanes	no data	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.

Ryzen 7 5800X outperforms Core i9-11900F by 24% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	18.03	14.55
Recency	8 October 2020	16 March 2021
Chip lithography	7 nm	14 nm
Power consumption (TDP)	105 Watt	65 Watt

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Should you still have questions on choice between Ryzen 7 5800X and Core i9-11900F, ask them in Comments section, and we shall answer.

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