Intel Core 2 Quad Q8400 vs Intel Core 2 Quad Q9400
Comparative analysis of Intel Core 2 Quad Q8400 and Intel Core 2 Quad Q9400 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), 3DMark Fire Strike - Physics Score.
Differences
Reasons to consider the Intel Core 2 Quad Q8400
- CPU is newer: launch date 8 month(s) later
- Around 6% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.609 vs 0.574
- 14.9x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.4 vs 0.094
- Around 18% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.93 vs 4.189
- Around 26% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.171 vs 0.136
| Specifications (specs) | |
| Launch date | April 2009 vs August 2008 |
| Benchmarks | |
| PassMark - Single thread mark | 1141 vs 1139 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 0.609 vs 0.574 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 1.4 vs 0.094 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 4.93 vs 4.189 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.171 vs 0.136 |
Reasons to consider the Intel Core 2 Quad Q9400
- Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
- Around 4% better performance in PassMark - CPU mark: 2150 vs 2068
- Around 4% better performance in Geekbench 4 - Single Core: 376 vs 362
- Around 1% better performance in Geekbench 4 - Multi-Core: 1151 vs 1139
- Around 29% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 26.509 vs 20.494
| Specifications (specs) | |
| L2 cache | 6144 KB vs 4096 KB |
| Benchmarks | |
| PassMark - CPU mark | 2150 vs 2068 |
| Geekbench 4 - Single Core | 376 vs 362 |
| Geekbench 4 - Multi-Core | 1151 vs 1139 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 26.509 vs 20.494 |
Compare benchmarks
CPU 1: Intel Core 2 Quad Q8400
CPU 2: Intel Core 2 Quad Q9400
| PassMark - Single thread mark |
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| PassMark - CPU mark |
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| Geekbench 4 - Single Core |
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| Geekbench 4 - Multi-Core |
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| CompuBench 1.5 Desktop - Face Detection (mPixels/s) |
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| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) |
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| CompuBench 1.5 Desktop - Video Composition (Frames/s) |
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| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) |
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| CompuBench 1.5 Desktop - T-Rex (Frames/s) |
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| Name | Intel Core 2 Quad Q8400 | Intel Core 2 Quad Q9400 |
|---|---|---|
| PassMark - Single thread mark | 1141 | 1139 |
| PassMark - CPU mark | 2068 | 2150 |
| Geekbench 4 - Single Core | 362 | 376 |
| Geekbench 4 - Multi-Core | 1139 | 1151 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 0.609 | 0.574 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 20.494 | 26.509 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 1.4 | 0.094 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 4.93 | 4.189 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.171 | 0.136 |
| 3DMark Fire Strike - Physics Score | 0 |
Compare specifications (specs)
| Intel Core 2 Quad Q8400 | Intel Core 2 Quad Q9400 | |
|---|---|---|
Essentials |
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| Architecture codename | Yorkfield | Yorkfield |
| Launch date | April 2009 | August 2008 |
| Place in performance rating | 3019 | 3130 |
| Price now | $99.50 | $33.98 |
| Processor Number | Q8400 | Q9400 |
| Series | Legacy Intel® Core™ Processors | Legacy Intel® Core™ Processors |
| Status | Discontinued | Discontinued |
| Value for money (0-100) | 9.38 | 28.99 |
| Vertical segment | Desktop | Desktop |
Performance |
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| 64 bit support | ||
| Base frequency | 2.66 GHz | 2.66 GHz |
| Bus Speed | 1333 MHz FSB | 1333 MHz FSB |
| Die size | 164 mm2 | 164 mm2 |
| L1 cache | 256 KB | 256 KB |
| L2 cache | 4096 KB | 6144 KB |
| Manufacturing process technology | 45 nm | 45 nm |
| Maximum case temperature (TCase) | 71 °C | 71 °C |
| Maximum core temperature | 71.4°C | 71.4°C |
| Maximum frequency | 2.67 GHz | 2.67 GHz |
| Number of cores | 4 | 4 |
| Transistor count | 456 million | 456 million |
| VID voltage range | 0.8500V-1.3625V | 0.8500V-1.3625V |
Memory |
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| Supported memory types | DDR1, DDR2, DDR3 | DDR1, DDR2, DDR3 |
Compatibility |
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| Low Halogen Options Available | ||
| Max number of CPUs in a configuration | 1 | 1 |
| Package Size | 37.5mm x 37.5mm | 37.5mm x 37.5mm |
| Sockets supported | LGA775 | LGA775 |
| Thermal Design Power (TDP) | 95 Watt | 95 Watt |
Security & Reliability |
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| Execute Disable Bit (EDB) | ||
| Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
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| Enhanced Intel SpeedStep® technology | ||
| FSB parity | ||
| Idle States | ||
| Intel 64 | ||
| Intel® AES New Instructions | ||
| Intel® Demand Based Switching | ||
| Intel® Hyper-Threading technology | ||
| Intel® Turbo Boost technology | ||
| Thermal Monitoring | ||
Virtualization |
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| Intel® Virtualization Technology (VT-x) | ||
| Intel® Virtualization Technology for Directed I/O (VT-d) | ||
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