Ryzen 9 7840HX vs Ryzen 7 4800H

Primary details

Comparing Ryzen 7 4800H and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	665	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Renoir (Ryzen 4000 APU)	AMD Dragon Range (Zen 4, Ryzen 7045)
Power efficiency	20.40	no data
Architecture codename	Renoir-H (Zen 2) (2020)	Dragon Range-HX (Zen 4) (2023−2024)
Release date	6 January 2020 (4 years ago)	17 January 2024 (less than a year ago)

Detailed specifications

Ryzen 7 4800H 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	2.9 GHz	2.9 GHz
Boost clock speed	4.2 GHz	5.1 GHz
Multiplier	29	no data
L1 cache	128K (per core)	768 KB
L2 cache	512K (per core)	12 MB
L3 cache	12 MB (shared)	64 MB
Chip lithography	7 nm	5 nm
Die size	156 mm2	no data
Maximum core temperature	105 °C	100 °C
Number of transistors	9800 Million	9900 Million
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Ryzen 7 4800H 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	no data
Socket	FP6	FL1
Power consumption (TDP)	54 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 4800H and Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME	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	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 4800H and Ryzen 9 7840HX are enumerated here.

AMD-V

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 4800H and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5
Maximum memory size	64 GB	no data
Maximum memory bandwidth	68.27 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

AMD Radeon RX Vega 7 ( - 1600 MHz)

AMD Radeon 610M (400 - 2200 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 4800H and Ryzen 9 7840HX.

PCIe version

3.0

no data

Pros & cons summary

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Integrated graphics card	7.46	2.85
Recency	6 January 2020	17 January 2024
Physical cores	8	12
Threads	16	24
Chip lithography	7 nm	5 nm
Power consumption (TDP)	54 Watt	55 Watt

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Should you still have questions on choice between Ryzen 7 4800H and Ryzen 9 7840HX, ask them in Comments section, and we shall answer.

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