CPUBoss Review Our evaluation of 3320M vs 2520M among laptop CPUs (over 15W)

Performance

Benchmark performance using all cores
Core i5 3320M
3.3
Core i5 2520M
3.1
Core i7 3520M
3.6
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Core i5 3320M
3.6
Core i5 2520M
2.9
Core i7 3520M
5.1
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Core i5 3320M
1.6
Core i5 2520M
n.d.
Core i7 3520M
1.7
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Core i5 3320M
4.5
Core i5 2520M
n.d.
Core i7 3520M
4.8
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Core i5 3320M
4.2
Core i5 2520M
4.0
Core i7 3520M
4.6
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Core i5 3320M
5.4
Core i5 2520M
8.6
Core i7 3520M
5.3
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more
2.6

CPUBoss Score

Combination of all six facets
Core i5 3320M
2.0
Core i5 2520M
2.6
Core i7 3520M
2.5

Winner
Intel Core i5 3320M 

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

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VS

Intel Core i5 3320M

Front view of Intel Core i5 3320M
Front view of Intel Core i5 2520M

Intel Core i5 2520M

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Differences What are the advantages of each

Front view of Intel Core i5 3320M

Reasons to consider the
Intel Core i5 3320M

Report a correction

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

Core i5 3320M
2,329
Core i5 2520M
2,192

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i5 3320M
5,486
Core i5 2520M
4,982

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i5 3320M
2,592
Core i5 2520M
2,424

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

Core i5 3320M
5,309
Core i5 2520M
4,764

GeekBench (64-bit) Data courtesy Primate Labs

Core i5 3320M
5,965
Core i5 2520M
5,321

PassMark Data courtesy Passmark

Core i5 3320M
4,072
Core i5 2520M
3,567

PassMark (Single Core)

Core i5 3320M
1,636
Core i5 2520M
1,493

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 20.44 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 3.05 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 3.05 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 4 comments.
living encyclopedia (05:55 PM, June 26, 2018)
it's error in specs, both have 21GB/s,
Gilles Bellier (04:22 PM, February 13, 2018)
the difference is here Maximum bandwidth 12,800 MB/s 21,333.32 MB/s
Adlerowski (10:43 AM, January 11, 2017)
I had the same thought. It just doesn't make any sense.
fenris wolf (08:12 PM, December 30, 2016)
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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