Ryzen 7 5800U vs Atom C3808

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Primary details

Comparing Atom C3808 and Ryzen 7 5800U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated678
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
SeriesIntel AtomAMD Cezanne (Zen 3, Ryzen 5000)
Power efficiencyno data72.95
Architecture codenameGoldmont (2016−2017)Cezanne-U (Zen 3) (2021)
Release date15 August 2017 (7 years ago)12 January 2021 (3 years ago)
Launch price (MSRP)$369no data

Detailed specifications

Atom C3808 and Ryzen 7 5800U 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 cores12 (Dodeca-Core)8 (Octa-Core)
Threads1216
Base clock speed2 GHz1.9 GHz
Boost clock speed2 GHz4.4 GHz
Multiplier2219
L1 cache672 KB64K (per core)
L2 cache12 MB512K (per core)
L3 cache12 MB16 MB (shared)
Chip lithography14 nm7 nm
Die sizeno data180 mm2
Maximum core temperature86 °C105 °C
Number of transistorsno data10,700 million
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Atom C3808 and Ryzen 7 5800U 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
SocketFCBGA1310FP6
Power consumption (TDP)25 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3808 and Ryzen 7 5800U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, 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
AES-NI++
FMA-+
AVX-+
Enhanced SpeedStep (EIST)+no data
QuickAssist+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data

Security technologies

Atom C3808 and Ryzen 7 5800U technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data
Secure Boot+no data
Secure Key+no data
SGX-no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3808 and Ryzen 7 5800U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3808 and Ryzen 7 5800U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4: 2133DDR4
Maximum memory size256 GBno data
Max memory channels2no data
Maximum memory bandwidth34.134 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 2000 MHz)

Peripherals

Specifications and connection of peripherals supported by Atom C3808 and Ryzen 7 5800U.

PCIe version33.0
PCI Express lanes168
USB revision3no data
Total number of SATA ports16no data
Max number of SATA 6 Gb/s Ports16no data
Number of USB ports8no data
Integrated LAN4x10/2.5/1 GBEno data

Pros & cons summary


Recency 15 August 2017 12 January 2021
Physical cores 12 8
Threads 12 16
Chip lithography 14 nm 7 nm
Power consumption (TDP) 25 Watt 15 Watt

Atom C3808 has 50% more physical cores.

Ryzen 7 5800U, on the other hand, has an age advantage of 3 years, 33.3% more threads, a 100% more advanced lithography process, and 66.7% lower power consumption.

We couldn't decide between Atom C3808 and Ryzen 7 5800U. We've got no test results to judge.

Be aware that Atom C3808 is a server/workstation processor while Ryzen 7 5800U is a notebook one.


Should you still have questions on choice between Atom C3808 and Ryzen 7 5800U, ask them in Comments section, and we shall answer.

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Intel Atom C3808
Atom C3808
AMD Ryzen 7 5800U
Ryzen 7 5800U

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