Intel Celeron N2840 vs Atom Z3740

	Performance
	Benchmark performance using all cores
Celeron N2840 5.1 Atom Z3740 5.7 Celeron N3050 5.0
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

	Single-core Performance
	Individual core benchmark performance
Celeron N2840 5.2 Atom Z3740 5.0 Celeron N3050 5.0
PassMark (Single Core), Geekbench 3 Single Core and 1 more

	Integrated Graphics
	Integrated GPU performance for graphics
Celeron N2840 n.d. Atom Z3740 n.d. Celeron N3050 n.d.
Sky Diver and Cloud Gate

	Integrated Graphics (OpenCL)
	Integrated GPU performance for parallel computing
Celeron N2840 4.1 Atom Z3740 n.d. Celeron N3050 5.2
CompuBench 1.5 Bitcoin mining and 4 more

	Performance per Watt
	How efficiently does the processor use electricity?
Celeron N2840 5.8 Atom Z3740 10.0 Celeron N3050 6.7
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

	Value
	Are you paying a premium for performance?
Celeron N2840 9.5 Atom Z3740 6.0 Celeron N3050 n.d.
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

6.4	CPUBoss Score
	Combination of all six facets
Celeron N2840 5.6 Atom Z3740 6.4 Celeron N3050 5.0

Winner
Intel Celeron N2840

CPUBoss recommends the Intel Celeron N2840 based on its .

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Intel Celeron N2840

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Intel Atom Z3740

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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 Atom Z3740.

Front view of Intel Atom Z3740

Reasons to consider the
Intel Atom Z3740

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CPUBoss is not aware of any important advantages of the Atom Z3740 vs the Celeron N2840.

GeekBench 3 (Multi-core) Data courtesy Primate Labs

1,649

2,572

GeekBench 3 (Single core) Data courtesy Primate Labs

943

788

GeekBench 3 (AES single core) Data courtesy Primate Labs

60,300 MB/s

307,700 MB/s

3D Mark 06 (CPU)

12.9

34

PassMark Data courtesy Passmark

1,011

1,062

PassMark (Single Core)

552

369

summary	Celeron N2840	vs	Atom Z3740
Clock speed	2.16 GHz		1.33 GHz
Turbo clock speed	2.58 GHz		1.86 GHz
Cores	Dual core		Quad 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		HD (Ivy Bridge)
GPU clock speed	311 MHz		311 MHz
Turbo clock speed	792 MHz		667 MHz
memory controller
Memory controller	Built-in		Built-in
Memory type
DDR3-1066
DDR3
DDR3L-1066
Channels	Dual Channel		Dual Channel
Supports ECC	No		No
Maximum bandwidth	12,800 MB/s		17,066.66 MB/s
Maximum memory size	8,192 MB		4,096 MB

details	Celeron N2840	vs	Atom Z3740
Architecture	x86-64		x86-64
Threads	2		4
L2 cache	1 MB		2 MB
L2 cache per core	0.5 MB/core		0.5 MB/core
Manufacture process	22 nm		22 nm
Max CPUs	1		1
overclocking
Overclocked clock speed	2.58 GHz		1.55 GHz
Overclocked clock speed (Water)	2.17 GHz		1.33 GHz
Overclocked clock speed (Air)	2.58 GHz		1.55 GHz
power consumption
TDP	7.5W		2W
Annual home energy cost	1.81 $/year		0.48 $/year
Performance per watt	7.05 pt/W		73.77 pt/W
Typical power consumption	6.09W		1.63W
bus
Architecture	FSB		FSB
Number of links	1		1

Intel Celeron N2840

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Intel Atom Z3740

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