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The AMD A8-3820 APU is newer than Intel Core2 Quad Q9400 @ 2.66GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, Intel Core2 Quad Q9400 @ 2.66GHz uses around 38% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 2671 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
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×Intel Core2 Quad Q9400 @ 2.66GHz | ×AMD A8-3820 APU | + ADD | |
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Socket Type | LGA775 | FM1 | |
CPU Class | Desktop | Desktop | |
Clockspeed | 2.7 GHz | 2.5 GHz | |
Turbo Speed | Not Supported | Up to 2.8 GHz | |
# of Physical Cores | 4 (Threads: 4) | 4 (Threads: 4) | |
Cache | L1: 256KB, L2: 6.0MB, L3: 0MB | L1: 512KB, L2: 4.0MB, | |
TDP | 95W | 65W | |
Yearly Running Cost | $17.34 | $11.86 | |
Other | |||
First Seen on Chart | Q4 2008 | Q1 2012 | |
# of Samples | 2531 | 140 | |
CPU Value | 86.0 | 48.7 | |
Single Thread Rating(% diff. to max in group) | 1139(0.0%) | 1128(-1.0%) | |
CPU Mark(% diff. to max in group) | 2154(-1.6%) | 2189(0.0%) |
Intel Core2 Quad Q9400 @ 2.66GHz | 2,154 | |
AMD A8-3820 APU | 2,189 | |
PassMark Software © 2008-2025 |
Intel Core2 Quad Q9400 @ 2.66GHz | 86.0 | |
AMD A8-3820 APU | 48.7 | |
PassMark Software © 2008-2025 |
Intel Core2 Quad Q9400 @ 2.66GHz | 1,139 | |
AMD A8-3820 APU | 1,128 | |
PassMark Software © 2008-2025 |
Intel Core2 Quad Q9400 @ 2.66GHz | AMD A8-3820 APU | |
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Max TDP | 95W | 65W |
Power consumption per day (kWh) | NA | NA |
Running cost per day | NA | NA |
Power consumption per year (kWh) | NA | NA |
Running cost per year | NA | NA |