Ryzen 7 7840HS vs i5-8420T

Primary details

Comparing Core i5-8420T and Ryzen 7 7840HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated328
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesIntel Core i5no data
Power efficiencyno data49.21
Architecture codenameCoffee Lake (2017−2019)Phoenix-HS (Zen 4) (2023)
Release date1 September 2018 (6 years ago)January 2023 (1 year ago)

Detailed specifications

Core i5-8420T and Ryzen 7 7840HS 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 cores6 (Hexa-Core)8 (Octa-Core)
Threads616
Base clock speed1.8 GHz3.8 GHz
Boost clock speed3.4 GHz5.1 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache9 MB (shared)16 MB (shared)
Chip lithography14 nm4 nm
Die size126 mm2178 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i5-8420T and Ryzen 7 7840HS 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 configuration1 (Uniprocessor)1
Socket1151FP8
Power consumption (TDP)35 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8420T and Ryzen 7 7840HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataRyzen AI, 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++
Enhanced SpeedStep (EIST)+no data
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8420T and Ryzen 7 7840HS are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8420T and Ryzen 7 7840HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR5
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth42.671 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 630AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Core i5-8420T and Ryzen 7 7840HS.

PCIe version3.04.0
PCI Express lanesno data20

Pros & cons summary


Integrated graphics card 3.09 18.31
Physical cores 6 8
Threads 6 16
Chip lithography 14 nm 4 nm

Ryzen 7 7840HS has 492.6% faster integrated GPU, 33.3% more physical cores and 166.7% more threads, and a 250% more advanced lithography process.

We couldn't decide between Core i5-8420T and Ryzen 7 7840HS. We've got no test results to judge.

Note that Core i5-8420T is a desktop processor while Ryzen 7 7840HS is a notebook one.


Should you still have questions on choice between Core i5-8420T and Ryzen 7 7840HS, ask them in Comments section, and we shall answer.

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Intel Core i5-8420T
Core i5-8420T
AMD Ryzen 7 7840HS
Ryzen 7 7840HS

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