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Intel Core i3-2120 vs Intel Core i5-3340M

Last updated: 2026-06-02

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 2 - 91 %

Intel Core i3-2120

Rank 1 - 100 %

Intel Core i5-3340M

Multi-core performance

Rank 2 - 91 %

Intel Core i3-2120

Rank 1 - 100 %

Intel Core i5-3340M

Geekbench 6 Single-Core
Single-core performance

2C / 4T · 3.30 GHz

534

2C / 4T · 3.40 GHz

604

Geekbench 6 Multi-Core
Multi-core performance

2C / 4T · 3.30 GHz

1,140

2C / 4T · 2.70 GHz

1,220

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

2C / 4T · 3.30 GHz

668

2C / 4T · 3.40 GHz

716

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

2C / 4T · 3.30 GHz

1,478

2C / 4T · 2.70 GHz

1,497

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel HD Graphics 2000

106

Intel HD Graphics 4000

320

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

2C / 4T · 3.30 GHz

783

2C / 4T · 2.70 GHz

785

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

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 entries

Specifications

At a glance

Wischen	Intel Core i3-2120	Intel Core i5-3340M
Family	Intel Core i3 (205)	Intel Core i5 (336)
CPU group	Intel Core i 2000 (28)	Intel Core i 3000M (29)
Architecture	Sandy Bridge S	Ivy Bridge H
Technology	32 nm	22 nm
Segment	Desktop	Notebook
Socket	LGA 1155	BGA 1023
Predecessor
Successor		Intel Core i5-4340M

CPU Cores and Base Frequency

Wischen	Intel Core i3-2120	Intel Core i5-3340M
CPU Cores / Threads	2 / 4	2 / 4
Hyperthreading / SMT	✓	✓
Core architecture	normal	normal
Cores:	2x	2x
Frequency:	3.30 GHz	2.70 GHz
Turbo (1 Core):		3.40 GHz
Turbo (All Cores):
L2-Cache
L3-Cache	3.00 MB	3.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Core i3-2120	Intel Core i5-3340M
GPU name	Intel HD Graphics 2000	Intel HD Graphics 4000
GPU frequency	0.85 - 1.10 GHz	0.65 - 1.25 GHz
CUs / Shader	6 / 48	16 / 128
Raytracing	✗	✗
Max. displays	2	3
Max. GPU Memory	2 GB	2 GB
Technology	32 nm	22 nm
Release date	Q1/2011	Q1/2011

NPU AI performance

Wischen	Intel Core i3-2120	Intel Core i5-3340M
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i3-2120	Intel Core i5-3340M
Memory	DDR3-1333 (21.3 GB/s)	DDR3-1600 (25.6 GB/s)
Max. Memory	32 GB	32 GB
Memory channels	2	2
ECC	No	No
PCIe	2.0 x 16	3.0 x 16
PCIe Bandwidth	8.0 GB/s	15.8 GB/s

Thermal Management

Wischen	Intel Core i3-2120	Intel Core i5-3340M
TDP	65 W	35 W
TDP (PL2)
TDP up
TDP down
T. junction max.		105 °C

Technical details

Wischen	Intel Core i3-2120	Intel Core i5-3340M
Chip design	Monolithic	Monolithic
AES-NI	✓	✓
Operating systems	Windows 10, Linux	Windows 10, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX	SSE4.1, SSE4.2, AVX
Release date	Q1/2011	Q1/2013
Release price	120 $	227 $
Documents	Technical data sheet	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i3-2120 is 3.3 stars (27 ratings), while Intel Core i5-3340M has received 3.7 stars (6 ratings).

Click on the stars to rate one or both processors.

Intel Core i3-2120
2C / 4T · 3.30 GHz

★★★★★

Intel Core i5-3340M
2C / 4T · 2.70 - 3.40 GHz

★★★★★