FX-4300 vs Core i9-7900X

Primary details

Comparing Core i9-7900X and FX-4300 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	508	1875
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.61	3.58
Market segment	Desktop processor	Desktop processor
Series	Core i9 (Desktop)	no data
Architecture codename	Skylake-X (2018)	Vishera (2012−2015)
Release date	26 June 2017 (7 years ago)	23 October 2012 (11 years ago)
Launch price (MSRP)	$999	no data
Current price	$531 (0.5x MSRP)	$40

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-7900X has 113% better value for money than FX-4300.

Detailed specifications

Core i9-7900X and FX-4300 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)	4 (Quad-Core)
Threads	20	4
Base clock speed	3.3 GHz	3.8 GHz
Boost clock speed	4.5 GHz	4 GHz
L1 cache	64 KB (per core)	no data
L2 cache	1 MB (per core)	4096 KB
L3 cache	14 MB (shared)	no data
Chip lithography	14 nm	32 nm
Die size	no data	315 mm2
Maximum core temperature	95 °C	71 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	1,200 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	Yes	Yes
P0 Vcore voltage	no data	Min: 1.225 V - Max: 1.3875 V

Compatibility

Information on Core i9-7900X and FX-4300 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	Socket R4	AM3+
Power consumption (TDP)	140 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7900X and FX-4300. 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	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Turbo Boost Max 3.0	+	no data
Status	Discontinued	no data

Security technologies

Core i9-7900X and FX-4300 technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7900X and FX-4300 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 i9-7900X and FX-4300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3
Maximum memory size	128 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core i9-7900X and FX-4300.

PCIe version	3.0	n/a
PCI Express lanes	44	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.

Core i9-7900X outperforms FX-4300 by 607% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	13.65	1.93
Recency	26 June 2017	23 October 2012
Physical cores	10	4
Threads	20	4
Chip lithography	14 nm	32 nm
Power consumption (TDP)	140 Watt	95 Watt

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Should you still have questions on choice between Core i9-7900X and FX-4300, ask them in Comments section, and we shall answer.

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