CPUBoss Review Our evaluation of 3120M vs B830 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

6.8

CPUBoss Score

Combination of all six facets

Winner
Intel Core i3 3120M 

CPUBoss recommends the Intel Core i3 3120M  based on its performance and single-core performance.

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VS

Intel Core i3 3120M

CPUBoss Winner
Front view of Intel Core i3 3120M

Differences What are the advantages of each

Front view of Intel Core i3 3120M

Reasons to consider the
Intel Core i3 3120M

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Significantly higher clock speed 2.5 GHz vs 1.8 GHz Around 40% higher clock speed
Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More l3 cache 3 MB vs 2 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
More number of displays supported 3 vs 2 1 more number of displays supported
Supports more RAM 32,768 MB vs 16,384 MB Supports 2x more RAM
Much better geekbench 2 (32-bit) score 3,978 vs 2,212 Around 80% better geekbench 2 (32-bit) score
More threads 4 vs 2 Twice as many threads
Significantly better geekbench 3 single core score 1,922 vs 1,340 Around 45% better geekbench 3 single core score
Significantly more l3 cache per core 1.5 MB/core vs 1 MB/core 50% more l3 cache per core
Better geekbench 3 Multi-Core score 4,146 vs 2,310 Around 80% better geekbench 3 Multi-Core score
Better overclocked clock speed (Air) 2.53 GHz vs 1.98 GHz Around 30% better overclocked clock speed (Air)
Better turbo clock speed 1,100 MHz vs 1,050 MHz Around 5% better turbo clock speed
Significantly better overclocked clock speed (Water) 2.5 GHz vs 1.8 GHz Around 40% better overclocked clock speed (Water)
Front view of Intel Celeron B830

Reasons to consider the
Intel Celeron B830

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Better performance per dollar 1.27 pt/$ vs 0.63 pt/$ More than 2x better performance per dollar

Benchmarks Real world tests of Core i3 3120M vs Celeron B830

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 i3 3120M
131,100 MB/s
Celeron B830
89,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 3120M  vs
Celeron B830 
Clock speed 2.5 GHz 1.8 GHz
Cores Dual core Dual core
Socket type
rPGA 988B

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

power consumption

TDP 35W 35W
Annual home energy cost 8.43 $/year 8.43 $/year
Performance per watt 5.04 pt/W 3.13 pt/W
Typical power consumption 28.44W 28.44W

bus

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

details

Core i3 3120M  vs
Celeron B830 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 3 MB 2 MB
L3 cache per core 1.5 MB/core 1 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1
Clock multiplier 25 18
Operating temperature Unknown - 90°C Unknown - 100°C

overclocking

Overclocked clock speed 2.53 GHz 1.98 GHz
Overclocked clock speed (Water) 2.5 GHz 1.8 GHz
Overclocked clock speed (Air) 2.53 GHz 1.98 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4000 Intel® HD Graphics
Number of displays supported 3 2
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,100 MHz 1,050 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3L-1333
DDR3RS-1600
DDR3RS-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 16,384 MB
Intel Core i3 3120M
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Intel Celeron B830
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