CPUBoss Review Our evaluation of 3100+ vs 3850 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

8.1

CPUBoss Score

Combination of all six facets

Winner
AMD A8 3850 

CPUBoss recommends the AMD A8 3850  based on its performance and single-core performance.

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VS
Front view of AMD A8 3850

AMD A8 3850

CPUBoss Winner

Differences What are the advantages of each

Front view of AMD Sempron 3100+

Reasons to consider the
AMD Sempron 3100+

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Much lower typical power consumption 50.38W vs 107.85W 2.1x lower typical power consumption
Much lower annual home energy cost 14.94 $/year vs 37.95 $/year 2.5x lower annual home energy cost
Much lower annual commercial energy cost 54.31 $/year vs 107.75 $/year Around 50% lower annual commercial energy cost
Front view of AMD A8 3850

Reasons to consider the
AMD A8 3850

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Much newer manufacturing process 32 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache 4 MB vs 0 MB Compared to all cpus, 4 MB l2 cache is just OK
Significantly higher clock speed 2.9 GHz vs 1.8 GHz More than 60% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better geekbench 3 Multi-Core score 5,262 vs 676 More than 7.8x better geekbench 3 Multi-Core score
Much more l2 cache per core 1 MB/core vs 0 MB/core Compared to all cpus, 1 MB/core l2 cache per core is just OK
Much better overclocked clock speed (Air) 3.54 GHz vs 2.06 GHz More than 70% better overclocked clock speed (Air)
Newer Jun, 2011 vs Jul, 2004 Release date over 7 years later
Significantly better geekbench 3 single core score 1,517 vs 683 Around 2.2x better geekbench 3 single core score
More cores 4 vs 1 3 more cores; run more applications at once
More threads 4 vs 1 3 more threads
More l3 cache per core 0.25 MB/core vs 0 MB/core Compared to all cpus, 0.25 MB/core l3 cache per core is just OK
Better performance per watt 1.39 pt/W vs 0.47 pt/W Around 3x better performance per watt
Significantly better overclocked clock speed (Water) 2.9 GHz vs 1.8 GHz More than 60% better overclocked clock speed (Water)

Benchmarks Real world tests of Sempron 3100+ vs A8 3850

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

Sempron 3100+
48.3 MB/s
A8 3850
121,450 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Sempron 3100+  vs
A8 3850 
Clock speed 1.8 GHz 2.9 GHz
Cores Single core Quad core
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
AMD-V
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 62W 100W
Annual home energy cost 14.94 $/year 37.95 $/year
Annual commercial energy cost 54.31 $/year 107.75 $/year
Performance per watt 0.47 pt/W 1.39 pt/W
Typical power consumption 50.38W 107.85W

details

Sempron 3100+  vs
A8 3850 
Architecture x86-64 x86-64
Threads 1 4
L2 cache 0 MB 4 MB
L2 cache per core 0 MB/core 1 MB/core
L3 cache 0 MB 1 MB
L3 cache per core 0 MB/core 0.25 MB/core
Manufacture process 130 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 70°C Unknown - 72.7°C

overclocking

Overclocked clock speed 2.06 GHz 3.54 GHz
Overclocked clock speed (Water) 1.8 GHz 2.9 GHz
PassMark (Overclocked) 366.6 2,465.8
Overclocked clock speed (Air) 2.06 GHz 3.54 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 6550D
Latest DirectX N/A 11.0
GPU clock speed N/A 600 MHz
AMD Sempron 3100+
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AMD A8 3850
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