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Intel Core i3 4005U

Front view of Intel Core i3 4005U
Front view of Intel Celeron N2840

Intel Celeron N2840

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Differences What are the advantages of each

Front view of Intel Core i3 4005U

Reasons to consider the
Intel Core i3 4005U

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CPUBoss is not aware of any important advantages of the Core i3 4005U vs the Celeron N2840.
Front view of Intel Celeron N2840

Reasons to consider the
Intel Celeron N2840

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CPUBoss is not aware of any important advantages of the Celeron N2840 vs the Core i3 4005U.

Benchmarks Real world tests of Core i3 4005U vs Celeron N2840

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i3 4005U
8.53 mHash/s
Celeron N2840
1.72 mHash/s

CompuBench 1.5 (Face detection)

Core i3 4005U
12.5 mPixels/s
Celeron N2840
1.11 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i3 4005U
0.74 fps
Celeron N2840
0.13 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i3 4005U
3,389
Celeron N2840
1,649

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i3 4005U
1,628
Celeron N2840
943

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i3 4005U
2,180,000 MB/s
Celeron N2840
60,300 MB/s

PassMark Data courtesy Passmark

Core i3 4005U
2,457
Celeron N2840
1,011

PassMark (Single Core)

Core i3 4005U
952
Celeron N2840
552

Specifications Full list of technical specs

summary

 Core i3 4005U  vs
Celeron N2840 
Clock speed 1.7 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 HD 4400 series Intel® HD Graphics
Number of displays supported 3 2
GPU clock speed 200 MHz 311 MHz
Turbo clock speed 950 MHz 792 MHz

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

details

 Core i3 4005U  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 1.81 GHz 2.58 GHz
Overclocked clock speed (Water) 1.7 GHz 2.17 GHz
Overclocked clock speed (Air) 1.81 GHz 2.58 GHz

power consumption
TDP 15W 7.5W
Annual home energy cost 3.61 $/year 1.81 $/year
Performance per watt 28.25 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 4005U
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Intel Celeron N2840
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