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| Intel Pentium 4 521 vs AMD Sempron 3400+ |
Released July, 2005
Intel Pentium 4 521
- 2.8 GHz
- Single core
Reasons to buy the Intel Pentium 4 521
![]() | Significantly higher clock speed 2.8 GHz | ![]() | Significantly more l2 cache 1 MB |
![]() | Much more l2 cache per core 1 MB/core | ![]() | Significantly better overclocked clock speed (Air) 3.72 GHz |
VS
Released May, 2006
AMD Sempron 3400+
- 1.8 GHz
- Single core
Reasons to buy the AMD Sempron 3400+
![]() | Supports dynamic frequency scaling Yes | ![]() | Lower typical power consumption 50.38W |
![]() | Newer May, 2006 | ![]() | Lower annual commercial energy cost 54.31 $/year |
Cast your vote Do you agree or disagree with CPUBoss?
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Differences What are the advantages of each
| |||||||
Significantly higher clock speed | 2.8 GHz | vs | 1.8 GHz | More than 55% higher clock speed | |||
---|---|---|---|---|---|---|---|
Significantly more l2 cache | 1 MB | vs | 0 MB | Compared to all cpus, 1 MB l2 cache is just OK | |||
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 | |||
Significantly better overclocked clock speed (Air) | 3.72 GHz | vs | 2.44 GHz | More than 50% better overclocked clock speed (Air) | |||
Higher Maximum operating temperature | 67.7 °C | vs | 55 °C | Around 25% higher Maximum operating temperature | |||
Much better overclocked clock speed (Water) | 4.28 GHz | vs | 2 GHz | Around 2.2x better overclocked clock speed (Water) | |||
| |||||||
Supports dynamic frequency scaling | Yes | vs | No | Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed | |||
Lower typical power consumption | 50.38W | vs | 68.25W | More than 25% lower typical power consumption | |||
Newer | May, 2006 | vs | Jul, 2005 | Release date 10 months later | |||
Lower annual commercial energy cost | 54.31 $/year | vs | 73.58 $/year | More than 25% lower annual commercial energy cost | |||
Lower annual home energy cost | 14.94 $/year | vs | 20.24 $/year | More than 25% lower annual home energy cost |
Features Key features of the Pentium 4 521 vs Sempron 3400+
clock speed
Pentium 4 521
2.8 GHz
Sempron 3400+
1.8 GHz
L2 cache
Pentium 4 521
1 MB
Sempron 3400+
0 MB
overclocked clock speed (air)
Pentium 4 521
3.72 GHz
Sempron 3400+
2.44 GHz
overclocked clock speed (water)
Pentium 4 521
4.28 GHz
Sempron 3400+
2 GHz
TDP
Pentium 4 521
84W
Sempron 3400+
62W
Specifications Full list of technical specs
summary | Pentium 4 521 | vs | Sempron 3400+ |
---|---|---|---|
Clock speed | 2.8 GHz | 1.8 GHz | |
Cores | Single core | Single core | |
Socket type | |||
LGA 775 | |||
AM2 | |||
754 | |||
939 | |||
features | |||
Has a NX bit | Yes | Yes | |
Has virtualization support | No | No | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE3 | |||
SSE | |||
3DNow! | |||
Supports dynamic frequency scaling | No | Yes | |
power consumption | |||
TDP | 84W | 62W | |
Annual home energy cost | 20.24 $/year | 14.94 $/year | |
Annual commercial energy cost | 73.58 $/year | 54.31 $/year | |
Typical power consumption | 68.25W | 50.38W | |
bus | |||
Clock speed | 800 MHz | 200 MHz |
details | Pentium 4 521 | vs | Sempron 3400+ |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 2 | 1 | |
L2 cache | 1 MB | 0 MB | |
L2 cache per core | 1 MB/core | 0 MB/core | |
Manufacture process | 90 nm | 90 nm | |
Max CPUs | 1 | 1 | |
Operating temperature | Unknown - 67.7°C | Unknown - 55°C | |
overclocking | |||
Overclocked clock speed | 3.72 GHz | 2.44 GHz | |
Overclocked clock speed (Water) | 4.28 GHz | 2 GHz | |
PassMark (Overclocked) | 713.8 | 1,043.3 | |
Overclocked clock speed (Air) | 3.72 GHz | 2.44 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 |
Intel Pentium 4 521 ![]() | AMD Sempron 3400+ ![]() |
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