Athlon X4 850 vs Core i9-11900F

Primary details

Comparing Core i9-11900F and Athlon X4 850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	466	1769
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	50.09	no data
Market segment	Desktop processor	Desktop processor
Architecture codename	Rocket Lake (2021)	Godaveri (2014−2018)
Release date	16 March 2021 (3 years ago)	July 2015 (8 years ago)
Current price	$210	$26

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-11900F and Athlon X4 850 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)	4 (Quad-Core)
Threads	16	4
Base clock speed	2.5 GHz	3.2 GHz
Boost clock speed	5.1 GHz	3.9 GHz
L1 cache	64K (per core)	256K
L2 cache	256K (per core)	4 MB
L3 cache	16 MB (shared)	no data
Chip lithography	14 nm	28 nm
Die size	no data	245 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	2,411 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	No	Yes

Compatibility

Information on Core i9-11900F and Athlon X4 850 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	FM2+
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11900F and Athlon X4 850. 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	no data
AES-NI	+	+
FMA	no data	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
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	Discontinued	no data

Security technologies

Core i9-11900F and Athlon X4 850 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 Core i9-11900F and Athlon X4 850 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 Core i9-11900F and Athlon X4 850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR3-2133
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	50 GB/s	no data
ECC memory support	-	no data

Peripherals

Specifications and connection of peripherals supported by Core i9-11900F and Athlon X4 850.

PCIe version	4.0	3.0
PCI Express lanes	20	16

Synthetic benchmark performance

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

---

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.

Core i9-11900F outperforms Athlon X4 850 by 567% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	14.55	2.18
Physical cores	8	4
Threads	16	4
Chip lithography	14 nm	28 nm

---

Should you still have questions on choice between Core i9-11900F and Athlon X4 850, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---