CPUBoss Review Our evaluation of 2430M vs 3120M among laptop CPUs (over 15W)

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

6.4

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 2430M 

CPUBoss recommends the Intel Core i5 2430M  based on its performance, single-core performance and value.

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VS

Intel Core i5 2430M

CPUBoss Winner
Front view of Intel Core i5 2430M

Differences What are the advantages of each

Front view of Intel Core i5 2430M

Reasons to consider the
Intel Core i5 2430M

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Much higher Maximum operating temperature 100 °C vs 90 °C More than 10% higher Maximum operating temperature
Better geekbench 3 AES single core score 1,850,000 MB/s vs 131,100 MB/s More than 14x better geekbench 3 AES single core score
Better geekbench 2 (64-bit) score 4,873 vs 4,075 Around 20% better geekbench 2 (64-bit) score
Better turbo clock speed 1,200 MHz vs 1,100 MHz Around 10% better turbo clock speed
Better geekbench 2 (32-bit) score 4,379 vs 3,978 More than 10% better geekbench 2 (32-bit) score
Better overclocked clock speed (Air) 2.76 GHz vs 2.53 GHz Around 10% better overclocked clock speed (Air)
Better performance per watt 18.63 pt/W vs 5 pt/W Around 3.8x better performance per watt
Front view of Intel Core i3 3120M

Reasons to consider the
Intel Core i3 3120M

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Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More number of displays supported 3 vs 2 1 more number of displays supported
Supports more RAM 32,768 MB vs 16,384 MB Supports 2x more RAM
Slightly higher clock speed 2.5 GHz vs 2.4 GHz Around 5% higher clock speed
Significantly better CompuBench 1.5 face detection score 7.13 mPixels/s vs 1.48 mPixels/s More than 4.8x better CompuBench 1.5 face detection score
Newer Sep, 2012 vs Oct, 2011 Release date a year later

Benchmarks Real world tests of Core i5 2430M vs i3 3120M

CompuBench 1.5 (Face detection)

Core i5 2430M
1.48 mPixels/s
Core i3 3120M
7.13 mPixels/s

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 2430M
1,850,000 MB/s
Core i3 3120M
131,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 2430M  vs
i3 3120M 
Clock speed 2.4 GHz 2.5 GHz
Cores Dual core Dual core
Socket type
rPGA 988B
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 35W 35W
Annual home energy cost 8.43 $/year 8.43 $/year
Performance per watt 18.63 pt/W 5 pt/W
Typical power consumption 28.44W 28.44W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i5 2430M  vs
i3 3120M 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 3 MB 3 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1
Clock multiplier 24 25
Operating temperature Unknown - 100°C Unknown - 90°C

overclocking

Overclocked clock speed 2.76 GHz 2.53 GHz
Overclocked clock speed (Water) 2.4 GHz 2.5 GHz
PassMark (Overclocked) 1,656.4 1,976.5
Overclocked clock speed (Air) 2.76 GHz 2.53 GHz

integrated graphics

GPU GPU GPU
Label HD Graphics 3000 Intel® HD Graphics 4000
Number of displays supported 2 3
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,200 MHz 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3L-1333
DDR3RS-1600
DDR3RS-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 21,333.32 MB/s 25,600 MB/s
Maximum memory size 16,384 MB 32,768 MB
Intel Core i5 2430M
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Intel Core i3 3120M
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