Ryzen 5 PRO 8640HS vs Atom C3858

Primary details

Comparing Atom C3858 and Ryzen 5 PRO 8640HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1555	480
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.39	no data
Market segment	Server	Laptop
Series	Intel Atom	no data
Architecture codename	Goldmont (2016−2017)	Hawk Point
Release date	15 August 2017 (6 years ago)	16 April 2024 (less than a year ago)
Launch price (MSRP)	$332	no data
Current price	$1249 (3.8x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom C3858 and Ryzen 5 PRO 8640HS 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	12 (Dodeca-Core)	6 (Hexa-Core)
Threads	12	12
Base clock speed	2 GHz	3.5 GHz
Boost clock speed	2 GHz	4.9 GHz
L1 cache	672 KB	64 KB (per core)
L2 cache	12 MB	1 MB (per core)
L3 cache	12 MB	16 MB (shared)
Chip lithography	14 nm	4 nm
Die size	no data	178 mm2
Maximum core temperature	83 °C	no data
Number of transistors	no data	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Atom C3858 and Ryzen 5 PRO 8640HS 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	FCBGA1310	FP7
Power consumption (TDP)	25 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3858 and Ryzen 5 PRO 8640HS. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
QuickAssist	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Status	Launched	no data

Security technologies

Atom C3858 and Ryzen 5 PRO 8640HS 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 C3858 and Ryzen 5 PRO 8640HS 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 Atom C3858 and Ryzen 5 PRO 8640HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4: 2400	DDR5
Maximum memory size	256 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	38.397 GB/s	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 760M

Peripherals

Specifications and connection of peripherals supported by Atom C3858 and Ryzen 5 PRO 8640HS.

PCIe version	3	4.0
PCI Express lanes	16	20
USB revision	3	no data
Total number of SATA ports	16	no data
Max number of SATA 6 Gb/s Ports	16	no data
Number of USB ports	8	no data
Integrated LAN	4x10/2.5/1 GBE	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen 5 PRO 8640HS outperforms Atom C3858 by 369% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	3.04	14.25
Recency	15 August 2017	16 April 2024
Physical cores	12	6
Chip lithography	14 nm	4 nm
Power consumption (TDP)	25 Watt	28 Watt

---

Should you still have questions on choice between Atom C3858 and Ryzen 5 PRO 8640HS, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---