CPUBoss Review Our evaluation of 4030U vs N2840 among laptop CPUs (up to 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 i3 4030U

Reasons to consider the
Intel Core i3 4030U

Report a correction

CPUBoss is not aware of any important advantages of the Core i3 4030U vs the Celeron N2840.

Front view of Intel Celeron N2840

Reasons to consider the
Intel Celeron N2840

Report a correction

CPUBoss is not aware of any important advantages of the Celeron N2840 vs the Core i3 4030U.

Benchmarks Real world tests of Core i3 4030U vs Celeron N2840

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i3 4030U
12.85 mHash/s
Celeron N2840
1.72 mHash/s

CompuBench 1.5 (Face detection)

Core i3 4030U
13.2 mPixels/s
Celeron N2840
1.11 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i3 4030U
0.95 fps
Celeron N2840
0.13 fps

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 4030U
2,370,000 MB/s
Celeron N2840
60,300 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 4030U  vs
Celeron N2840 
Clock speed 1.9 GHz 2.16 GHz
Cores Dual core Dual core
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Supports dynamic frequency scaling Yes Yes

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4400 Intel® HD Graphics
Number of displays supported 3 2
GPU clock speed 200 MHz 311 MHz
Turbo clock speed 1,000 MHz 792 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3L-1333
LPDDR3-1333
DDR3
LPDDR3-1600
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 12,800 MB/s
Maximum memory size 16,384 MB 8,192 MB

details

Core i3 4030U  vs
Celeron N2840 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.91 GHz 2.58 GHz
Overclocked clock speed (Water) 1.9 GHz 2.17 GHz
Overclocked clock speed (Air) 1.91 GHz 2.58 GHz

power consumption

TDP 15W 7.5W
Annual home energy cost 3.61 $/year 1.81 $/year
Performance per watt 31.85 pt/W 7.05 pt/W
Typical power consumption 12.19W 6.09W

bus

Architecture DMI 2.0 FSB
Number of links 1 1
Intel Core i3 4030U
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Intel Celeron N2840
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