CPUBoss Review Our evaluation of N2815 vs 3400M among laptop CPUs

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

6.1

CPUBoss Score

Combination of all six facets

Winner
AMD A6 3400M 

CPUBoss recommends the AMD A6 3400M  based on its performance, single-core performance and features.

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Front view of AMD A6 3400M

AMD A6 3400M

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Celeron N2815

Reasons to consider the
Intel Celeron N2815

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Much higher GPU clock speed 844 MHz vs 400 MHz More than 2x higher GPU clock speed
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 1.86 GHz vs 1.4 GHz Around 35% higher clock speed
Much lower typical power consumption 6.09W vs 28.44W 4.7x lower typical power consumption
Newer Nov, 2013 vs Jun, 2011 Release date over 2 years later
Much lower annual home energy cost 1.81 $/year vs 8.43 $/year 4.7x lower annual home energy cost
Better overclocked clock speed (Water) 1.87 GHz vs 1.4 GHz Around 35% better overclocked clock speed (Water)
Front view of AMD A6 3400M

Reasons to consider the
AMD A6 3400M

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Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
Higher turbo clock speed 2.3 GHz vs 2.13 GHz Around 10% higher turbo clock speed
More threads 4 vs 2 Twice as many threads
Significantly better geekbench 2 (32-bit) score 2,858 vs 1,308 Around 2.2x better geekbench 2 (32-bit) score
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Better PassMark score 1,934 vs 882 Around 2.2x better PassMark score
Better overclocked clock speed (Air) 2.7 GHz vs 2.13 GHz More than 25% better overclocked clock speed (Air)
Slightly better CompuBench 1.5 face detection score 2.27 mPixels/s vs 0.95 mPixels/s Around 2.5x better CompuBench 1.5 face detection score

Benchmarks Real world tests of Celeron N2815 vs A6 3400M

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Celeron N2815
1.35 mHash/s
A6 3400M
24.16 mHash/s

CompuBench 1.5 (Face detection)

Celeron N2815
0.95 mPixels/s
A6 3400M
2.27 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Celeron N2815
0.11 fps
A6 3400M
0.38 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A6 3400M
2,872

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Celeron N2815
49,200 MB/s
A6 3400M
68,700 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron N2815  vs
A6 3400M 
Clock speed 1.86 GHz 1.4 GHz
Turbo clock speed 2.13 GHz 2.3 GHz
Cores Dual core Quad core
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
EM64T
SSE
AMD64
SSE4.1
SSE4.2
AMD-V
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 7.5W 35W
Annual home energy cost 1.81 $/year 8.43 $/year
Performance per watt 6.78 pt/W 3.75 pt/W
Typical power consumption 6.09W 28.44W

details

Celeron N2815  vs
A6 3400M 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 4 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.13 GHz 2.7 GHz
Overclocked clock speed (Water) 1.87 GHz 1.4 GHz
Overclocked clock speed (Air) 2.13 GHz 2.7 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Radeon™ HD 6520G
GPU clock speed 844 MHz 400 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3L-1066
Intel Celeron N2815
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AMD A6 3400M
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