CPUBoss Review Our evaluation of 3400+ vs 3800+ 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

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of AMD Sempron 3400+

Reasons to consider the
AMD Sempron 3400+

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Newer May, 2006 vs Jun, 2004 Release date over 2 years later
Front view of AMD Athlon 3800+

Reasons to consider the
AMD Athlon 3800+

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Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly more l2 cache 1 MB vs 0 MB Compared to all cpus, 1 MB l2 cache is just OK
Higher clock speed 2.4 GHz vs 1.8 GHz Around 35% higher clock speed
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
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
Lower typical power consumption 36.56W vs 50.38W More than 25% lower typical power consumption
Better overclocked clock speed (Air) 2.8 GHz vs 2.44 GHz Around 15% better overclocked clock speed (Air)
Slightly better geekbench 3 single core score 964.5 vs 775 Around 25% better geekbench 3 single core score
Lower annual home energy cost 10.84 $/year vs 14.94 $/year More than 25% lower annual home energy cost
Lower annual commercial energy cost 39.42 $/year vs 54.31 $/year More than 25% lower annual commercial energy cost
Better overclocked clock speed (Water) 2.4 GHz vs 2 GHz Around 20% better overclocked clock speed (Water)

Benchmarks Real world tests of Sempron 3400+ vs Athlon 3800+

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 3400+
48.8 MB/s
Athlon 3800+
64.55 MB/s

Specifications Full list of technical specs

summary

Sempron 3400+  vs
Athlon 3800+ 
Clock speed 1.8 GHz 2.4 GHz
Cores Single core Single core
Socket type
AM2
754
939
Is unlocked No No

features

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

power consumption

TDP 62W 45W
Annual home energy cost 14.94 $/year 10.84 $/year
Annual commercial energy cost 54.31 $/year 39.42 $/year
Performance per watt 0.5 pt/W 0.73 pt/W
Typical power consumption 50.38W 36.56W

details

Sempron 3400+  vs
Athlon 3800+ 
Architecture x86-64 x86-64
Threads 1 1
L2 cache 0 MB 1 MB
L2 cache per core 0 MB/core 1 MB/core
L3 cache 0 MB 0 MB
L3 cache per core 0 MB/core 0 MB/core
Manufacture process 90 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 55°C Unknown - 55°C

overclocking

Overclock popularity 2 7
Overclocked clock speed 2.44 GHz 2.8 GHz
Overclocked clock speed (Water) 2 GHz 2.4 GHz
Overclocked clock speed (Air) 2.44 GHz 2.8 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
AMD Sempron 3400+
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AMD Athlon 3800+
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