FX-8350 vs i9-10900X

Primary details

Comparing Core i9-10900X and FX-8350 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	519	1486
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	0.88
Market segment	Desktop processor	Desktop processor
Series	no data	AMD FX-Series (Desktop)
Power efficiency	8.11	2.83
Architecture codename	Cascade Lake-X (2019)	Vishera (2012−2015)
Release date	19 October 2019 (5 years ago)	23 October 2012 (12 years ago)
Launch price (MSRP)	no data	$199

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-10900X and FX-8350 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	10 (Deca-Core)	8 (Octa-Core)
Threads	20	8
Base clock speed	3.7 GHz	4 GHz
Boost clock speed	4.7 GHz	4.2 GHz
Bus rate	8 GT/s DMI3 MHz	no data
L1 cache	64K (per core)	no data
L2 cache	1 MB (per core)	8192 KB
L3 cache	19.25 MB (shared)	no data
Chip lithography	14 nm	32 nm
Die size	no data	315 mm2
Maximum core temperature	94 °C	61 °C
Number of transistors	no data	1,200 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	+
P0 Vcore voltage	no data	Min: 1.2 V - Max: 1.4 V

Compatibility

Information on Core i9-10900X and FX-8350 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	FCLGA2066	AM3+
Power consumption (TDP)	165 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-10900X and FX-8350. 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	MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4a, AMD64, AMD-V, AES, AVX, CLMUL, CVT16, EVP, FMA4, XOP, Turbo Core, HT3.1
AES-NI	+	+
FMA	-	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	-

Security technologies

Core i9-10900X and FX-8350 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-10900X and FX-8350 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-10900X and FX-8350. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR3
Maximum memory size	256 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	94 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core i9-10900X and FX-8350.

PCIe version	3.0	n/a
PCI Express lanes	48	no data

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	14.14	3.74
Recency	19 October 2019	23 October 2012
Physical cores	10	8
Threads	20	8
Chip lithography	14 nm	32 nm
Power consumption (TDP)	165 Watt	125 Watt

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Should you still have questions on choice between Core i9-10900X and FX-8350, ask them in Comments section, and we shall answer.

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