CPUBoss Review Our evaluation of E3845 vs C2758 among all 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

7.8

CPUBoss Score

Combination of all six facets

Winner
Intel Atom E3845 

CPUBoss recommends the Intel Atom E3845  based on its power consumption and value.

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VS

Intel Atom E3845

CPUBoss Winner
Front view of Intel Atom E3845

Differences What are the advantages of each

Front view of Intel Atom E3845

Reasons to consider the
Intel Atom E3845

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Much better geekbench 3 AES single core score 317,450 MB/s vs 52,100 MB/s More than 6x better geekbench 3 AES single core score
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better performance per dollar 2.19 pt/$ vs 0.39 pt/$ Around 5.8x better performance per dollar
Much better performance per watt 11.4 pt/W vs 4.02 pt/W More than 2.8x better performance per watt
Lower typical power consumption 8.13W vs 16.25W 2x lower typical power consumption
Lower annual home energy cost 2.41 $/year vs 4.82 $/year 2x lower annual home energy cost
Lower annual commercial energy cost 8.76 $/year vs 17.52 $/year 2x lower annual commercial energy cost
Newer Oct, 2013 vs Jul, 2013 Release date 3 months later
Front view of Intel Atom C2758

Reasons to consider the
Intel Atom C2758

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Higher clock speed 2.4 GHz vs 1.91 GHz More than 25% higher clock speed
More cores 8 vs 4 Twice as many cores; run more applications at once
More threads 8 vs 4 Twice as many threads
Better overclocked clock speed (Air) 2.4 GHz vs 1.92 GHz More than 25% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2.4 GHz vs 1.91 GHz More than 25% better overclocked clock speed (Water)

Benchmarks Real world tests of Atom E3845 vs C2758

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Atom E3845
2,624
Atom C2758
2,292

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Atom E3845
317,450 MB/s
Atom C2758
52,100 MB/s

PassMark Data courtesy Passmark

Atom E3845
1,466
Atom C2758
3,162

PassMark (Single Core)

Specifications Full list of technical specs

summary

Atom E3845  vs
C2758 
Clock speed 1.91 GHz 2.4 GHz
Cores Quad core Octa core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
EM64T
SSE4.1
SSE4.2
AES
Supports dynamic frequency scaling No No

power consumption

TDP 10W 20W
Annual home energy cost 2.41 $/year 4.82 $/year
Annual commercial energy cost 8.76 $/year 17.52 $/year
Performance per watt 11.4 pt/W 4.02 pt/W
Typical power consumption 8.13W 16.25W

bus

Architecture FSB FSB
Number of links 1 1

details

Atom E3845  vs
C2758 
Architecture x86-64 x86-64
Threads 4 8
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.92 GHz 2.4 GHz
Overclocked clock speed (Water) 1.91 GHz 2.4 GHz
Overclocked clock speed (Air) 1.92 GHz 2.4 GHz

integrated graphics

GPU GPU None
Label HD N/A
Number of displays supported 2 N/A
GPU clock speed 542 MHz N/A
Turbo clock speed 792 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3L-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 12,800 MB/s 25,600 MB/s
Maximum memory size 8,192 MB 65,536 MB
Intel Atom E3845
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Intel Atom C2758
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