CPUBoss Review Our evaluation of 3320M vs 2520M 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

7.7

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 3320M 

CPUBoss recommends the Intel Core i5 3320M  based on its .

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VS

Differences What are the advantages of each

Front view of Intel Core i5 3320M

Reasons to consider the
Intel Core i5 3320M

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CPUBoss is not aware of any important advantages of the 3320M vs the 2520M.

Front view of Intel Core i5 2520M

Reasons to consider the
Intel Core i5 2520M

Report a correction

CPUBoss is not aware of any important advantages of the 2520M vs the 3320M.

Benchmarks Real world tests of Core i5 3320M vs 2520M

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 3320M
2,140,000 MB/s
Core i5 2520M
2,080,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 3320M  vs
2520M 
Clock speed 2.6 GHz 2.5 GHz
Turbo clock speed 3.3 GHz 3.2 GHz
Cores Dual core Dual core
Socket type
rPGA 988B
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
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 12.64 pt/W 20.47 pt/W
Typical power consumption 28.44W 28.44W

bus

Architecture DMI 2.0 DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i5 3320M  vs
2520M 
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 22 nm 32 nm
Max CPUs 1 1
Clock multiplier 26 25
Operating temperature Unknown - 105°C Unknown - 100°C

overclocking

Overclock popularity 0 11
Overclocked clock speed 3.08 GHz 3.07 GHz
Overclocked clock speed (Water) 2.6 GHz 2.5 GHz
PassMark (Overclocked) 2,276.1 1,230.7
Overclocked clock speed (Air) 3.08 GHz 3.07 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4000 HD Graphics 3000
Number of displays supported 3 2
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,200 MHz 1,300 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 12,800 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 16,384 MB
Intel Core i5 3320M
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Intel Core i5 2520M
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Comments

Showing 3 comments.
the difference is here Maximum bandwidth 12,800 MB/s 21,333.32 MB/s
I had the same thought. It just doesn't make any sense.
How can the 2520 provide much better performance per dollar? The 3320 has better specs in every category AND cost $15 less.
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