Intel Atom x6427FE Intel Celeron 3855U
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Intel Atom x6427FE vs Intel Celeron 3855U

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Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 2 - 97 %
Intel Atom x6427FE
Rank 1 - 100 %
Intel Celeron 3855U
Multi-core performance
Rank 1 - 100 %
Intel Atom x6427FE
Rank 2 - 55 %
Intel Celeron 3855U
Geekbench 6 Single-Core

Geekbench 6 Single-Core
Single-core performance

Intel Atom x6427FE
4C / 4T · 1.90 GHz
334
Intel Celeron 3855U
2C / 2T · 1.60 GHz
361
Geekbench 6 Multi-Core

Geekbench 6 Multi-Core
Multi-core performance

Intel Atom x6427FE
4C / 4T · 1.90 GHz
1,021
Intel Celeron 3855U
2C / 2T · 1.60 GHz
632
Geekbench 5, 64bit Single-Core

Geekbench 5, 64bit Single-Core
Single-core performance

Intel Atom x6427FE
4C / 4T · 1.90 GHz
437
Intel Celeron 3855U
2C / 2T · 1.60 GHz
430
Geekbench 5, 64bit Multi-Core

Geekbench 5, 64bit Multi-Core
Multi-core performance

Intel Atom x6427FE
4C / 4T · 1.90 GHz
1,445
Intel Celeron 3855U
2C / 2T · 1.60 GHz
848
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Atom x6427FE
Intel UHD Graphics 10th Gen (32 EU)
213
Intel Celeron 3855U
Intel HD Graphics 510
173

More benchmarks

At a glance

Wischen
Intel Atom x6427FEIntel Celeron 3855U
FamilyIntel Atom (108)Intel Celeron (165)
CPU groupIntel Atom x6000 (10)Intel Celeron 3000 (10)
ArchitectureElkhart LakeKaby Lake U
Technology10 nm14 nm
SegmentNotebookNotebook
SocketBGA 1493
Predecessor
Successor

CPU Cores and Base Frequency

Wischen
Intel Atom x6427FEIntel Celeron 3855U
CPU Cores / Threads4 / 42 / 2
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 4x 2x
Frequency: 1.90 GHz 1.60 GHz
Turbo (1 Core):
Turbo (All Cores):
L2-Cache1.50 MB
L3-Cache2.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Atom x6427FEIntel Celeron 3855U
GPU nameIntel UHD Graphics 10th Gen (32 EU)Intel HD Graphics 510
GPU frequency0.40 GHz0.30 - 0.90 GHz
CUs / Shader32 / 25612 / 96
Raytracing
Max. displays33
Max. GPU Memory64 GB32 GB
Technology14 nm14 nm
Release dateQ2/2020Q1/2015

NPU AI performance

Wischen
Intel Atom x6427FEIntel Celeron 3855U
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Atom x6427FEIntel Celeron 3855U
MemoryLPDDR4X-4266 (136.4 GB/s)
DDR4-3200 (102.4 GB/s)
DDR4-2133 (34.1 GB/s)
DDR3L-1600 (25.6 GB/s)
LPDDR3-1866 (15.0 GB/s)
Max. Memory32 GB32 GB
Memory channels42
ECCYesNo
PCIe3.0 x 82.0 x 10
PCIe Bandwidth7.9 GB/s5.0 GB/s

Thermal Management

Wischen
Intel Atom x6427FEIntel Celeron 3855U
TDP12 W15 W
TDP (PL2)
TDP up
TDP down10 W
T. junction max.110 °C100 °C

Technical details

Wischen
Intel Atom x6427FEIntel Celeron 3855U
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2SSE4.1, SSE4.2
Release dateQ1/2021Q4/2015
Release price107 $
DocumentsTechnical data sheetTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Atom x6427FE is 5.0 stars (1 ratings), while Intel Celeron 3855U has received 2.6 stars (8 ratings).

Click on the stars to rate one or both processors.

Intel Atom x6427FE
Intel Atom x6427FE
4C / 4T · 1.90 GHz
Intel Celeron 3855U
Intel Celeron 3855U
2C / 2T · 1.60 GHz

Most popular CPUs in both categories

Intel Atom x6427FE
Intel Atom x6427FE
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