Ryzen 9 6900HX vs FX-4300

Primary details

Comparing FX-4300 and Ryzen 9 6900HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1973	437
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.33	no data
Market segment	Desktop processor	Laptop
Series	no data	AMD Rembrandt (Zen 3+)
Power efficiency	1.87	32.79
Architecture codename	Vishera (2012−2015)	Rembrandt-H (Zen 3+) (2022)
Release date	23 October 2012 (12 years ago)	January 2022 (2 years ago)
Launch price (MSRP)	$122	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

FX-4300 and Ryzen 9 6900HX 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	4 (Quad-Core)	8 (Octa-Core)
Threads	4	16
Base clock speed	3.8 GHz	3.3 GHz
Boost clock speed	4 GHz	4.9 GHz
L1 cache	no data	64K (per core)
L2 cache	4096 KB	512K (per core)
L3 cache	no data	16 MB (shared)
Chip lithography	32 nm	6 nm
Die size	315 mm2	208 mm2
Maximum core temperature	71 °C	95 °C
Number of transistors	1,200 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	+
P0 Vcore voltage	Min: 1.225 V - Max: 1.3875 V	no data

Compatibility

Information on FX-4300 and Ryzen 9 6900HX 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	AM3+	FP7
Power consumption (TDP)	95 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-4300 and Ryzen 9 6900HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI	+	+
FMA	+	-
AVX	+	+
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-4300 and Ryzen 9 6900HX are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-4300 and Ryzen 9 6900HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

AMD Radeon 680M ( - 2400 MHz)

Peripherals

Specifications and connection of peripherals supported by FX-4300 and Ryzen 9 6900HX.

PCIe version	n/a	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.

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Pros & cons summary

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Performance score	1.88	15.59
Physical cores	4	8
Threads	4	16
Chip lithography	32 nm	6 nm
Power consumption (TDP)	95 Watt	45 Watt

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Should you still have questions on choice between FX-4300 and Ryzen 9 6900HX, ask them in Comments section, and we shall answer.

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