Ryzen 9 7840HX vs Ryzen 7 3700X

Primary details

Comparing Ryzen 7 3700X and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	507	not rated
Place by popularity	73	not in top-100
Cost-effectiveness evaluation	18.31	no data
Market segment	Desktop processor	Laptop
Series	AMD Ryzen 7	AMD Dragon Range (Zen 4, Ryzen 7045)
Power efficiency	20.66	no data
Architecture codename	Matisse (Zen 2) (2019−2020)	Dragon Range-HX (Zen 4) (2023−2024)
Release date	27 May 2019 (5 years ago)	17 January 2024 (less than a year ago)
Launch price (MSRP)	$329	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 7 3700X and Ryzen 9 7840HX 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)	12 (Dodeca-Core)
Threads	16	24
Base clock speed	3.6 GHz	2.9 GHz
Boost clock speed	4.4 GHz	5.1 GHz
L1 cache	512 KB	768 KB
L2 cache	4 MB	12 MB
L3 cache	32 MB	64 MB
Chip lithography	7 nm, 12 nm	5 nm
Maximum core temperature	no data	100 °C
Number of transistors	19,200 million	9900 Million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 7 3700X and Ryzen 9 7840HX 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 (Uniprocessor)	no data
Socket	AM4	FL1
Power consumption (TDP)	65 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 3700X and Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	+	+
FMA	-	+
AVX	+	+
Precision Boost 2	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 3700X and Ryzen 9 7840HX are enumerated here.

AMD-V

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 3700X and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	DDR5
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	51.196 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

AMD Radeon 610M

Pros & cons summary

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Recency	27 May 2019	17 January 2024
Physical cores	8	12
Threads	16	24
Chip lithography	7 nm	5 nm
Power consumption (TDP)	65 Watt	55 Watt

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