CPUBoss Review Our evaluation of 3300+ vs 4000+ among desktop CPUs (45 to 75W)

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

2.4

CPUBoss Score

Combination of all six facets

Winner
AMD Athlon X2 4000+ 

CPUBoss recommends the AMD Athlon X2 4000+  based on its performance, single-core performance and overclocking.

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VS

Differences What are the advantages of each

Front view of AMD Sempron 3300+

Reasons to consider the
AMD Sempron 3300+

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Much higher Maximum operating temperature 70 °C vs 55 °C More than 25% higher Maximum operating temperature
Front view of AMD Athlon X2 4000+

Reasons to consider the
AMD Athlon X2 4000+

Report a correction
Much more l2 cache 1 MB vs 0 MB Compared to all cpus, 1 MB l2 cache is just OK
Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
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
Much more l2 cache per core 0.5 MB/core vs 0 MB/core Compared to all cpus, 0.5 MB/core l2 cache per core is just OK
Higher clock speed 2.1 GHz vs 2 GHz More than 5% higher clock speed
Significantly better overclocked clock speed (Air) 2.77 GHz vs 2.49 GHz More than 10% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.24 GHz vs 2 GHz More than 60% better overclocked clock speed (Water)

Benchmarks Real world tests of Sempron 3300+ vs Athlon X2 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

Sempron 3300+
53.85 MB/s
Athlon X2 4000+
62.3 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Sempron 3300+  vs
Athlon X2 4000+ 
Clock speed 2 GHz 2.1 GHz
Cores Single core Dual core
Socket type
754
462
AM2
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 65W
Annual home energy cost 14.94 $/year 15.66 $/year
Annual commercial energy cost 54.31 $/year 56.94 $/year
Performance per watt 0.5 pt/W 0.73 pt/W
Typical power consumption 50.38W 52.81W

details

Sempron 3300+  vs
Athlon X2 4000+ 
Architecture x86 x86-64
Threads 1 2
L2 cache 0 MB 1 MB
L2 cache per core 0 MB/core 0.5 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 - 70°C Unknown - 55°C

overclocking

Overclocked clock speed 2.49 GHz 2.77 GHz
Overclocked clock speed (Water) 2 GHz 3.24 GHz
Overclocked clock speed (Air) 2.49 GHz 2.77 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 3300+
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AMD Athlon X2 4000+
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