Xeon Silver 4309Y vs Atom C3858

VS

Aggregate performance score

Atom C3858
2017
12 cores / 12 threads, 25 Watt
2.96
Xeon Silver 4309Y
2021
8 cores / 16 threads, 105 Watt
12.11
+309%

Xeon Silver 4309Y outperforms Atom C3858 by a whopping 309% based on our aggregate benchmark results.

Primary details

Comparing Atom C3858 and Xeon Silver 4309Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1650642
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.92no data
Market segmentServerServer
SeriesIntel Atomno data
Power efficiency11.2110.91
Architecture codenameGoldmont (2016−2017)Ice Lake-SP (2021)
Release date15 August 2017 (7 years ago)6 April 2021 (3 years ago)
Launch price (MSRP)$332no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Atom C3858 and Xeon Silver 4309Y 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 GHz2.8 GHz
Boost clock speed2 GHz3.6 GHz
Multiplier20no data
L1 cache672 KB64K (per core)
L2 cache12 MB1 MB (per core)
L3 cache12 MB12 MB (shared)
Chip lithography14 nm10 nm
Maximum core temperature83 °Cno data
Maximum case temperature (TCase)no data76 °C
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Atom C3858 and Xeon Silver 4309Y 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)2
SocketFCBGA1310FCLGA4189
Power consumption (TDP)25 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3858 and Xeon Silver 4309Y. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
QuickAssist+no data
Speed Shiftno data+
Turbo Boost Technology-2.0
Hyper-Threading Technology-+
TSX-+
Deep Learning Boost-+

Security technologies

Atom C3858 and Xeon Silver 4309Y technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
Secure Boot+no data
Secure Key+no data
SGX-Yes with Intel® SPS
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3858 and Xeon Silver 4309Y are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3858 and Xeon Silver 4309Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4: 2400DDR4-2667
Maximum memory size256 GB6 TB
Max memory channels28
Maximum memory bandwidth38.397 GB/sno data
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Atom C3858 and Xeon Silver 4309Y.

PCIe version34.0
PCI Express lanes1664
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

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.

Atom C3858 2.96
Xeon Silver 4309Y 12.11
+309%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Atom C3858 4707
Xeon Silver 4309Y 19237
+309%

Gaming performance

Pros & cons summary


Performance score 2.96 12.11
Recency 15 August 2017 6 April 2021
Physical cores 12 8
Threads 12 16
Chip lithography 14 nm 10 nm
Power consumption (TDP) 25 Watt 105 Watt

Atom C3858 has 50% more physical cores, and 320% lower power consumption.

Xeon Silver 4309Y, on the other hand, has a 309.1% higher aggregate performance score, an age advantage of 3 years, 33.3% more threads, and a 40% more advanced lithography process.

The Xeon Silver 4309Y is our recommended choice as it beats the Atom C3858 in performance tests.


Should you still have questions on choice between Atom C3858 and Xeon Silver 4309Y, ask them in Comments section, and we shall answer.

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Intel Atom C3858
Atom C3858
Intel Xeon Silver 4309Y
Xeon Silver 4309Y

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about Atom C3858 or Xeon Silver 4309Y, agree or disagree with our judgements, or report an error or mismatch.