CPUBoss Review Our evaluation of 2620M vs 3110M 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

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Core i7 2620M

Reasons to consider the
Intel Core i7 2620M

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Core i3 3110M

Reasons to consider the
Intel Core i3 3110M

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CPUBoss is not aware of any important advantages of the Core i3 3110M vs the Core i7 2620M.

Benchmarks Real world tests of Core i7 2620M vs i3 3110M

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Core i7 2620M
34.7 fps
Core i3 3110M
104.44 fps

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 i7 2620M
2,220,000 MB/s
Core i3 3110M
125,500 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 2620M  vs
i3 3110M 
Clock speed 2.7 GHz 2.4 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 No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
AVX
SSE3
EM64T
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 19.9 pt/W 3.71 pt/W
Typical power consumption 28.44W 28.44W

bus

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

details

Core i7 2620M  vs
i3 3110M 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 4 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1
Clock multiplier 27 24
Operating temperature Unknown - 100°C Unknown - 105°C

overclocking

Overclocked clock speed 3.22 GHz 2.43 GHz
Overclocked clock speed (Water) 2.7 GHz 2.4 GHz
Overclocked clock speed (Air) 3.22 GHz 2.43 GHz

integrated graphics

GPU GPU GPU
Label HD 3000 Intel® HD Graphics 4000
Number of displays supported 2 3
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,300 MHz 1,000 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3L-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 i7 2620M
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Intel Core i3 3110M
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