Ryzen 7 7840U vs Pentium D1517

Primary details

Comparing Pentium D1517 and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	370
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	no data	AMD Phoenix (Zen 4, Ryzen 7040)
Architecture codename	no data	Phoenix-U (Zen 4)
Release date	1 October 2015 (8 years ago)	May 2023 (1 year ago)

Detailed specifications

Pentium D1517 and Ryzen 7 7840U 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	8	16
Base clock speed	1.6 GHz	3.3 GHz
Boost clock speed	2.2 GHz	5.1 GHz
L1 cache	no data	64K (per core)
L2 cache	no data	1 MB (per core)
L3 cache	6 MB	16 MB (shared)
Chip lithography	7 nm	4 nm
Die size	no data	178 mm2
Maximum core temperature	no data	100 °C
Number of transistors	no data	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Pentium D1517 and Ryzen 7 7840U 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	FCBGA1667	FP8
Power consumption (TDP)	25 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D1517 and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Idle States	+	no data
Thermal Monitoring	+	no data
GPIO	+	no data
Status	Launched	no data

Security technologies

Pentium D1517 and Ryzen 7 7840U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D1517 and Ryzen 7 7840U are enumerated here.

AMD-V	no data	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D1517 and Ryzen 7 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4, DDR3	DDR5-5600
Maximum memory size	128 GB	no data
Max memory channels	2	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Pentium D1517 and Ryzen 7 7840U.

PCIe version	2.0/3.0	4.0
PCI Express lanes	32	20
USB revision	2.0/3.0	no data
Total number of SATA ports	6	no data
Number of USB ports	8	no data
Integrated LAN	+	no data
UART	+	no data

Pros & cons summary

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Physical cores	4	8
Threads	8	16
Chip lithography	7 nm	4 nm
Power consumption (TDP)	25 Watt	28 Watt

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Should you still have questions on choice between Pentium D1517 and Ryzen 7 7840U, ask them in Comments section, and we shall answer.

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