Winner
Intel Core2 Quad Q8400
CPUBoss recommends the Intel Core2 Quad Q8400 based on its performance and single-core performance.
See full details | Intel Core2 Quad Q8400 vs AMD Sempron 3800+ |
![]() | Much more l2 cache 4 MB | ![]() | Much newer manufacturing process 45 nm |
![]() | Higher clock speed 2.66 GHz | ![]() | Has virtualization support Yes |
![]() | Much lower typical power consumption 50.38W | ![]() | Much lower annual home energy cost 14.94 $/year |
![]() | Much lower annual commercial energy cost 54.31 $/year |
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 |
5.1 | CPUBoss Score |
Combination of all six facets | |
Winner |
Intel Core2 Quad Q8400CPUBoss Winner | ![]() | |
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Much more l2 cache | 4 MB | vs | 0 MB | Compared to all cpus, 4 MB l2 cache is just OK | |||
---|---|---|---|---|---|---|---|
Much newer manufacturing process | 45 nm | vs | 90 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Higher clock speed | 2.66 GHz | vs | 2.2 GHz | More than 20% 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 | |||
Much better geekbench 3 Multi-Core score | 5,035 | vs | 858 | More than 5.8x better geekbench 3 Multi-Core score | |||
More cores | 4 | vs | 1 | 3 more cores; run more applications at once | |||
Significantly better overclocked clock speed (Air) | 3.48 GHz | vs | 2.2 GHz | Around 60% better overclocked clock speed (Air) | |||
Better geekbench 3 single core score | 1,465 | vs | 859 | More than 70% better geekbench 3 single core score | |||
Significantly higher Maximum operating temperature | 71.4 °C | vs | 55 °C | Around 30% higher Maximum operating temperature | |||
More threads | 4 | vs | 1 | 3 more threads | |||
Much better overclocked clock speed (Water) | 3.91 GHz | vs | 2.2 GHz | Around 80% better overclocked clock speed (Water) | |||
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Much lower typical power consumption | 50.38W | vs | 135.97W | 2.7x lower typical power consumption | |||
Much lower annual home energy cost | 14.94 $/year | vs | 51.39 $/year | 3.4x lower annual home energy cost | |||
Much lower annual commercial energy cost | 54.31 $/year | vs | 130.79 $/year | 2.4x lower annual commercial energy cost |
summary | Core2 Quad Q8400 | vs | Sempron 3800+ |
---|---|---|---|
Clock speed | 2.66 GHz | 2.2 GHz | |
Cores | Quad core | Single core | |
Socket type | |||
LGA 775 | |||
S1 | |||
AM2 | |||
features | |||
Has a NX bit | Yes | Yes | |
Has virtualization support | Yes | No | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
3DNow! | |||
Supplemental SSE3 | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 95W | 62W | |
Annual home energy cost | 51.39 $/year | 14.94 $/year | |
Annual commercial energy cost | 130.79 $/year | 54.31 $/year | |
Performance per watt | 0.94 pt/W | 0.59 pt/W | |
Typical power consumption | 135.97W | 50.38W |
details | Core2 Quad Q8400 | vs | Sempron 3800+ |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 4 | 1 | |
L2 cache | 4 MB | 0 MB | |
L2 cache per core | 1 MB/core | 0 MB/core | |
Manufacture process | 45 nm | 90 nm | |
Max CPUs | 1 | 1 | |
Operating temperature | Unknown - 71.4°C | Unknown - 55°C | |
overclocking | |||
Overclocked clock speed | 3.48 GHz | 2.2 GHz | |
Overclocked clock speed (Water) | 3.91 GHz | 2.2 GHz | |
Overclocked clock speed (Air) | 3.48 GHz | 2.2 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 | |
bus | |||
Clock speed | 1,333 MHz | 333 MHz |
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