CPUBoss Review Our evaluation of 3800+ vs 4000+ among desktop 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

Fire Strike

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?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

AMD Athlon X2 3800+

CPUBoss Winner
Front view of AMD Athlon X2 3800+

Differences What are the advantages of each

Front view of AMD Athlon X2 3800+

Reasons to consider the
AMD Athlon X2 3800+

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More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Significantly lower typical power consumption 52.81W vs 72.31W More than 25% lower typical power consumption
Much higher Maximum operating temperature 55 °C vs 49 °C More than 10% higher Maximum operating temperature
Significantly lower annual home energy cost 15.66 $/year vs 21.44 $/year More than 25% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 77.96 $/year More than 25% lower annual commercial energy cost
Newer May, 2006 vs Aug, 2005 Release date 9 months later
Front view of AMD Athlon 4000+

Reasons to consider the
AMD Athlon 4000+

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Significantly higher clock speed 2.4 GHz vs 2 GHz Around 20% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly better overclocked clock speed (Air) 2.97 GHz vs 2.7 GHz More than 10% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2.9 GHz vs 2.75 GHz More than 5% better overclocked clock speed (Water)

Benchmarks Real world tests of Athlon X2 3800+ vs 4000+

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

Athlon X2 3800+
64.55 MB/s
Athlon 4000+
78 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon X2 3800+  vs
4000+ 
Clock speed 2 GHz 2.4 GHz
Cores Dual core Single core
Socket type
AM2
939
S1
754
Is unlocked No No

features

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

power consumption

TDP 65W 89W
Annual home energy cost 15.66 $/year 21.44 $/year
Annual commercial energy cost 56.94 $/year 77.96 $/year
Performance per watt 0.66 pt/W 0.51 pt/W
Typical power consumption 52.81W 72.31W

details

Athlon X2 3800+  vs
4000+ 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 1 MB 1 MB
L2 cache per core 0.5 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 90 nm
Max CPUs 1 1
Operating temperature Unknown - 55°C Unknown - 49°C

overclocking

Overclocked clock speed 2.7 GHz 2.97 GHz
Overclocked clock speed (Water) 2.75 GHz 2.9 GHz
PassMark (Overclocked) 1,578.7 1,107.7
Overclocked clock speed (Air) 2.7 GHz 2.97 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 Athlon X2 3800+
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AMD Athlon 4000+
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