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Intel Celeron 3855U
Benchmarks & Specs

Name: Intel Celeron 3855U
Brand: Intel
Rating: 3.1 (10 reviews)

Last updated: 2026-02-02

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

The Intel Celeron 3855U belongs to the Kaby Lake U architecture. This processor was manufactured using the 14 nm process. It is primarily designed for low energy consumption. This makes it well suited for compact devices. Its integrated Intel HD Graphics 510 supports media display. Even simple applications run smoothly.

For everyday tasks, the Intel Celeron 3855U remains a reliable option. Sometimes we are surprised by its stable performance in light multitasking. With 2 MB Level 3 Cache, it contributes to overall system responsiveness. This Celeron proves that proven hardware still has its uses. It is an economical companion for those who do not have high demands.

Its efficiency makes it attractive for secondary devices or educational PCs. We still see it working reliably in many systems today. It offers a cost-effective solution for simple, reliable use. A robust chip from Intel.

Low energy consumption
Integrated Intel HD Graphics 510
Reliable performance for everyday tasks
Cost-effective solution

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 751 / 834
In segment Notebook

Multi-core performance

Rank 768 / 832
In segment Notebook

Geekbench 6 Single-Core
Single-core performance

4C / 4T · 2.70 GHz

364

4C / 4T · 2.60 GHz

362

2C / 2T · 1.60 GHz

361

4C / 4T · 2.50 GHz

352

2C / 2T · 2.00 GHz

352

Geekbench 6 Multi-Core
Multi-core performance

2C / 2T · 2.00 GHz

636

2C / 2T · 1.90 GHz

636

2C / 2T · 1.60 GHz

632

2C / 2T · 1.80 GHz

626

2C / 2T · 1.70 GHz

625

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

2C / 4T · 1.80 GHz

432

2C / 2T · 3.80 GHz

431

2C / 2T · 1.60 GHz

430

2C / 2T · 1.80 GHz

427

2C / 4T · 1.60 GHz

427

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

4C / 4T · 2.56 GHz

855

2C / 2T · 2.00 GHz

851

2C / 2T · 1.60 GHz

848

4C / 4T · 2.80 GHz

844

4C / 4T · 2.00 GHz

842

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel HD Graphics 610

173

Intel HD Graphics 3000

173

Intel HD Graphics 510

173

AMD Radeon HD 7420G

168

AMD Radeon R3 (Stoney Ridge)

168

Cinebench R15 (Single-Core)
Single-core performance

2C / 2T · 2.90 GHz

69 cb

2C / 4T · 1.90 GHz

69 cb

2C / 2T · 1.60 GHz

68 cb

2C / 4T · 1.70 GHz

67 cb

2C / 2T · 1.70 GHz

66 cb

Cinebench R15 (Multi-Core)
Multi-core performance

2C / 2T · 1.70 GHz

131 cb

2C / 2T · 3.20 GHz

130 cb

2C / 2T · 1.60 GHz

127 cb

2C / 2T · 1.70 GHz

126 cb

4C / 4T · 2.08 GHz

126 cb

More benchmarks

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Geekbench 5 (SC)
2,512 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

PassMark CPU-Mark
2,504 entries

Cinebench R15 (SC)
1,113 entries

Cinebench R15 (MC)
1,110 entries

Geekbench 3 (SC)
945 entries

Geekbench 3 (MC)
941 entries

Cinebench R11.5 (SC)
826 entries

Cinebench R11.5 (MC)
837 entries

Cinebench R11.5 iGPU
383 entries

Specifications

At a glance

Property	Value
Family	Intel Celeron (165)
CPU group	Intel Celeron 3000 (10)
Architecture	Kaby Lake U
Technology	14 nm
Segment	Notebook
Socket
Generation	7
Predecessor
Successor

CPU Cores and Base Frequency

Property	Value
CPU Cores / Threads	2 / 2
Hyperthreading / SMT	✗
Core architecture	normal
Cores:	2x
Frequency:	1.60 GHz
Turbo Frequency (1 Core):
Turbo Frequency (2 Cores):
L2-Cache
L3-Cache	2.00 MB
Overclocking	No

Integrated graphics (iGPU)

Property	Value
GPU name	Intel HD Graphics 510
GPU frequency	0.30 - 0.90 GHz
CUs / Shader	12 / 96
Raytracing	✗
Max. displays	3
Max. GPU Memory	32 GB
Technology	14 nm
Release date	Q1/2015

NPU AI performance

Property	Value
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Memory type	Memory bandwidth
LPDDR3-1866 DDR4-2133 DDR3L-1600	15.0 GB/s 34.1 GB/s 25.6 GB/s
Property	Value
Max. Memory	32 GB
Memory channels	2
ECC	✗
PCIe	2.0 x 10
PCIe Bandwidth	5.0 GB/s

Thermal Management

Property	Value
TDP	15 W
TDP (PL2)
TDP up
TDP down	10 W
T. junction max.	100 °C

Technical details

Property	Value
Chip design	Monolithic
AES-NI	✓
Operating systems	Windows 10, Linux
Instruction set	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2
Release date	Q4/2015
Release price	107 $
Documents	Technical data sheet

User Reviews

Your rating

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