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Differences What are the advantages of each

Front view of Intel Pentium G3240

Reasons to consider the
Intel Pentium G3240

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Much better turbo clock speed 1,100 MHz vs 1,050 MHz Around 5% better turbo clock speed
Much higher Maximum operating temperature 72 °C vs 65.3 °C More than 10% higher Maximum operating temperature
Newer Feb, 2014 vs Sep, 2012 Release date over 1 years later
Front view of Intel Core i3 3240

Reasons to consider the
Intel Core i3 3240

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Much more l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 3.4 GHz vs 3.1 GHz Around 10% higher clock speed
More threads 4 vs 2 Twice as many threads
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core

Benchmarks Real world tests of Pentium G3240 vs Core i3 3240

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Pentium G3240
6.81 mHash/s
Core i3 3240
4.06 mHash/s

CompuBench 1.5 (Face detection)

Pentium G3240
7.9 mPixels/s
Core i3 3240
4.27 mPixels/s

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Pentium G3240
140.29 fps
Core i3 3240
85.9 fps

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

Pentium G3240
177,300 MB/s
Core i3 3240
177,600 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs


Pentium G3240  vs
Core i3 3240 
Clock speed 3.1 GHz 3.4 GHz
Cores Dual core Dual core
Socket type
LGA 1150
LGA 1155
Is unlocked No No


Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 21,333.32 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB


Pentium G3240  vs
Core i3 3240 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 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 22 nm 22 nm
Max CPUs 1 1
Clock multiplier 31 34
Operating temperature Unknown - 72°C Unknown - 65.3°C

integrated graphics

Label Intel® HD Graphics Intel® HD Graphics 2500
Number of displays supported 3 3
GPU clock speed 350 MHz 650 MHz
Turbo clock speed 1,100 MHz 1,050 MHz

power consumption

TDP 53W 55W
Annual home energy cost 12.77 $/year 13.25 $/year
Annual commercial energy cost 46.43 $/year 48.18 $/year
Performance per watt 3.12 pt/W 2.67 pt/W
Typical power consumption 43.06W 44.69W


Architecture DMI 2.0 DMI
Number of links 0 1
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Pentium G3240
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Intel Core i3 3240
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Showing 3 comments.
Great to know that. Actually I have already 4GB DDR3-1333 MHZ installed in my PC and buying another 4gb RAM of the same memory frequency is my decision as something other than that, well, I dont know if the anomaly would be conducive to the performance of my PC. I hope you understood the drift.
I have my PC with G3240 CPU + Asus ASUS H81M-A 1150 MBOARD, + DDR3-1600 MHZ 4GB RAM, running perfect since 16 months ago!
I have been using Intel G3240 in my recently bought motherboard Asus H81CM-S. Working fine so far. My question, does MB cache really matter when it comes to buying a processor? Another question - Can I use DDR3-1600 MHZ RAM instead of the one I am using (DDR3-1333MHZ, 4GB)? I observed that my motherboard can support RAM of varied frequency, but this processor can't extend beyond its limited capacity. Any idea?
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