Intel Xeon Gold 5415+ vs Intel Atom C3858

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CPU comparison with benchmarks


Intel Xeon Gold 5415+ CPU1 vs CPU2 Intel Atom C3858
Intel Xeon Gold 5415+ Intel Atom C3858

CPU comparison

Intel Xeon Gold 5415+ or Intel Atom C3858 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Xeon Gold 5415+ has 8 cores with 16 threads and clocks with a maximum frequency of 4.10 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The Intel Xeon Gold 5415+ was released in Q1/2023.

The Intel Atom C3858 has 12 cores with 12 threads and clocks with a maximum frequency of 2.00 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3858 was released in Q3/2017.
Intel Xeon Gold (163) Family Intel Atom (108)
Intel Xeon Gold 5400/6400 (25) CPU group Intel Atom C3000 (20)
4 Generation 5
Sapphire Rapids Architecture Denverton
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon Gold 5415+ is a 8 core processor with a clock frequency of 2.90 GHz (4.10 GHz). The Intel Atom C3858 has 12 CPU cores with a clock frequency of 2.00 GHz.
Intel Xeon Gold 5415+ Characteristic Intel Atom C3858
8 Cores 12
16 Threads 12
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.90 GHz Frequency 2.00 GHz
4.10 GHz Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.
Intel Xeon Gold 5415+ Characteristic Intel Atom C3858
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Xeon Gold 5415+ supports a maximum of 4096 GB of memory in 8 memory channels. The Intel Atom C3858 can connect up to 256 GB of memory in 2 memory channels.
Intel Xeon Gold 5415+ Characteristic Intel Atom C3858
DDR5-4400 Memory DDR4-2400
4096 GB Max. Memory 256 GB
8 (Octa Channel) Memory channels 2 (Dual Channel)
281.6 GB/s Max. Bandwidth 38.4 GB/s
Yes ECC Yes
-- L2 Cache 12.00 MB
22.50 MB L3 Cache --
5.0 PCIe version 3.0
80 PCIe lanes 16
315.0 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Xeon Gold 5415+ has a TDP of 150 W, that of the Intel Atom C3858 is 25 W.
Intel Xeon Gold 5415+ Characteristic Intel Atom C3858
150 W TDP (PL1 / PBP) 25 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The Intel Xeon Gold 5415+ has a 22.50 MB cache, while the Intel Atom C3858 cache has a total of 12.00 MB.
Intel Xeon Gold 5415+ Characteristic Intel Atom C3858
10 nm Technology 14 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2
LGA 4677 Socket BGA 1310
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows, Linux Operating systems Windows 10, Linux
Q1/2023 Release date Q3/2017
1066 $ Release price 332 $
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Devices using this processor
Intel Xeon Gold 5415+ Intel Atom C3858
Unknown Unknown

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