CPUBoss Review Our evaluation of G620 vs 2100 among desktop CPUs (45 to 75W)

Performance

Benchmark performance using all cores
Pentium G620
3.6
Core i3 2100
5.1
Pentium G2030
3.8
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Pentium G620
4.2
Core i3 2100
5.4
Pentium G2030
5.3
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Pentium G620
n.d.
Core i3 2100
n.d.
Pentium G2030
4.3
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Pentium G620
5.2
Core i3 2100
4.2
Pentium G2030
4.9
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Pentium G620
2.2
Core i3 2100
2.9
Pentium G2030
3.6
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Pentium G620
n.d.
Core i3 2100
3.1
Pentium G2030
9.8
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more
3.6

CPUBoss Score

Combination of all six facets
Pentium G620
3.0
Core i3 2100
3.6
Pentium G2030
5.3

Winner
Intel Core i3 2100 

CPUBoss recommends the Intel Core i3 2100  based on its overclocking.

See full details

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VS

Intel Pentium G620

Front view of Intel Pentium G620
Front view of Intel Core i3 2100

Intel Core i3 2100

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Differences What are the advantages of each

Front view of Intel Pentium G620

Reasons to consider the
Intel Pentium G620

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CPUBoss is not aware of any important advantages of the Pentium G620 vs the Core i3 2100.
Front view of Intel Core i3 2100

Reasons to consider the
Intel Core i3 2100

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Much higher clock speed 3.1 GHz vs 2.6 GHz Around 20% higher clock speed
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Air) 3.23 GHz vs 2.72 GHz Around 20% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.23 GHz vs 2.6 GHz Around 25% better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium G620 vs Core i3 2100

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Pentium G620
3,219
Core i3 2100
4,786

GeekBench 3 (Single core) Data courtesy Primate Labs

Pentium G620
1,794
Core i3 2100
2,258

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium G620
128,700 MB/s
Core i3 2100
153,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Pentium G620
3,186
Core i3 2100
4,738

GeekBench (64-bit) Data courtesy Primate Labs

Pentium G620
3,164
Core i3 2100
5,042

GeekBench

Pentium G620
5,804
Core i3 2100
7,901

PassMark Data courtesy Passmark

Pentium G620
2,303
Core i3 2100
3,664

PassMark (Single Core)

Pentium G620
1,326
Core i3 2100
1,583

Reviews Word on the street

Pentium G620  vs Core i3 2100 
9.4
read review
9.3
read review
While it's not a super high end quad core, nor does it support HyperThreading, this thing is probably the best bang for buck CPU on the market right now for Office work and moderate/heavy multitasking.
Pentium G620

Specifications Full list of technical specs

summary

 Pentium G620  vs
Core i3 2100 
Clock speed 2.6 GHz 3.1 GHz
Cores Dual core Dual core
Socket type
LGA 1155

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

integrated graphics
GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics 2000
Number of displays supported 2 2
GPU clock speed 850 MHz 850 MHz
Turbo clock speed 1,100 MHz 1,100 MHz

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 17,066.66 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 32,768 MB

details

 Pentium G620  vs
Core i3 2100 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 3 MB 3 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 26 31
Operating temperature Unknown - 69.1°C Unknown - 69.1°C

overclocking
Overclock popularity 21 101
Overclock review score 5 4.5
Overclocked clock speed 2.72 GHz 3.23 GHz
Overclocked clock speed (Water) 2.6 GHz 3.23 GHz
PassMark (Overclocked) 1,014.8 1,518.9
Overclocked clock speed (Air) 2.72 GHz 3.23 GHz

power consumption
TDP 65W 65W
Annual home energy cost 27.64 $/year 37.88 $/year
Annual commercial energy cost 66.84 $/year 93.47 $/year
Performance per watt 1.64 pt/W 1.41 pt/W
Idle power consumption 54.3W 73W
Peak power consumption 76.3W 106.7W
Typical power consumption 70.8W 98.28W

bus
Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Pentium G620
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Intel Core i3 2100
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