Ryzen 9 7940H vs Ryzen 7 7700X

Primary details

Comparing Ryzen 7 7700X and Ryzen 9 7940H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	228	334
Place by popularity	100	not in top-100
Cost-effectiveness evaluation	43.90	no data
Market segment	Desktop processor	Laptop
Series	AMD Ryzen 7	no data
Power efficiency	20.43	48.80
Architecture codename	Raphael (Zen4) (2022−2023)	Phoenix (2023−2024)
Release date	29 August 2022 (2 years ago)	January 2023 (1 year ago)
Launch price (MSRP)	$399	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 7 7700X and Ryzen 9 7940H 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	4.5 GHz	4 GHz
Boost clock speed	5.4 GHz	5.2 GHz
L1 cache	512 KB	64K (per core)
L2 cache	8 MB	1 MB (per core)
L3 cache	32 MB (shared)	16 MB (shared)
Chip lithography	5 nm, 6 nm	4 nm
Die size	71+122 mm	178 mm2
Maximum core temperature	95 °C	no data
Maximum case temperature (TCase)	61 °C	no data
Number of transistors	6,570 million	25,000 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 7 7700X and Ryzen 9 7940H 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	AM5	FP8
Power consumption (TDP)	105 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 7700X and Ryzen 9 7940H. You'll probably need this information if you require some particular technology.

Instruction set extensions	5 nm, 0.650 - 1.475V	no data
AES-NI	+	+
AVX	+	+
Precision Boost 2	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 7700X and Ryzen 9 7940H are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7700X and Ryzen 9 7940H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-5200	DDR5-5600
Maximum memory size	128 GB	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

AMD Radeon Graphics (Ryzen 7000)

AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 7700X and Ryzen 9 7940H.

PCIe version	5.0	4.0
PCI Express lanes	24	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	23.52	18.73
Integrated graphics card	4.42	18.27
Chip lithography	5 nm	4 nm
Power consumption (TDP)	105 Watt	35 Watt

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Should you still have questions on choice between Ryzen 7 7700X and Ryzen 9 7940H, ask them in Comments section, and we shall answer.

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