Ryzen 5 7640H vs Ryzen 7 1800X

Primary details

Comparing Ryzen 7 1800X and Ryzen 5 7640H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	749	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.12	no data
Market segment	Desktop processor	Laptop
Series	AMD Ryzen 7	no data
Power efficiency	10.26	no data
Architecture codename	Zen (2017−2020)	Phoenix (2023−2024)
Release date	2 March 2017 (7 years ago)	January 2023 (1 year ago)
Launch price (MSRP)	$499	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 7 1800X and Ryzen 5 7640H 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)	6 (Hexa-Core)
Threads	16	12
Base clock speed	3.6 GHz	4.3 GHz
Boost clock speed	4 GHz	5 GHz
Bus rate	4 × 8 GT/s	no data
Multiplier	36	no data
L1 cache	768 KB	64K (per core)
L2 cache	4096 KB	1 MB (per core)
L3 cache	16384 KB	16 MB (shared)
Chip lithography	14 nm	4 nm
Die size	192 mm2	178 mm2
Number of transistors	4,800 million	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 7 1800X and Ryzen 5 7640H 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)	1
Socket	AM4	FP8
Power consumption (TDP)	95 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 1800X and Ryzen 5 7640H. You'll probably need this information if you require some particular technology.

Instruction set extensions	XFR, FMA3, SSE 4.2, AVX2, SMT	no data
AES-NI	+	+
FMA	FMA3	-
AVX	+	+
XFR	+	-
SenseMI	+	-
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 1800X and Ryzen 5 7640H are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 1800X and Ryzen 5 7640H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5-5600
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

AMD Radeon 760M

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 1800X and Ryzen 5 7640H.

PCIe version	n/a	4.0
PCI Express lanes	20	20

Pros & cons summary

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Physical cores	8	6
Threads	16	12
Chip lithography	14 nm	4 nm
Power consumption (TDP)	95 Watt	35 Watt

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Should you still have questions on choice between Ryzen 7 1800X and Ryzen 5 7640H, ask them in Comments section, and we shall answer.

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