Intel Core 2 Quad Q9400 vs Intel Pentium D 940
Comparative analysis of Intel Core 2 Quad Q9400 and Intel Pentium D 940 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, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).
Differences
Reasons to consider the Intel Core 2 Quad Q9400
- CPU is newer: launch date 2 year(s) 7 month(s) later
- 2 more cores, run more applications at once: 4 vs 2
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
- 9.1x more L1 cache, more data can be stored in the L1 cache for quick access later
- Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
- Around 37% lower typical power consumption: 95 Watt vs 130 Watt
- Around 87% better performance in PassMark - Single thread mark: 1138 vs 609
- 3.9x better performance in PassMark - CPU mark: 2138 vs 552
- 2x better performance in Geekbench 4 - Single Core: 376 vs 186
- 3.7x better performance in Geekbench 4 - Multi-Core: 1151 vs 309
Specifications (specs) | |
Launch date | August 2008 vs January 2006 |
Number of cores | 4 vs 2 |
Manufacturing process technology | 45 nm vs 65 nm |
L1 cache | 256 KB vs 28 KB |
L2 cache | 6144 KB vs 4096 KB |
Thermal Design Power (TDP) | 95 Watt vs 130 Watt |
Benchmarks | |
PassMark - Single thread mark | 1138 vs 609 |
PassMark - CPU mark | 2138 vs 552 |
Geekbench 4 - Single Core | 376 vs 186 |
Geekbench 4 - Multi-Core | 1151 vs 309 |
Reasons to consider the Intel Pentium D 940
- Around 20% higher clock speed: 3.2 GHz vs 2.67 GHz
Maximum frequency | 3.2 GHz vs 2.67 GHz |
Max number of CPUs in a configuration | 2 vs 1 |
Compare benchmarks
CPU 1: Intel Core 2 Quad Q9400
CPU 2: Intel Pentium D 940
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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Name | Intel Core 2 Quad Q9400 | Intel Pentium D 940 |
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PassMark - Single thread mark | 1138 | 609 |
PassMark - CPU mark | 2138 | 552 |
Geekbench 4 - Single Core | 376 | 186 |
Geekbench 4 - Multi-Core | 1151 | 309 |
3DMark Fire Strike - Physics Score | 0 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 0.574 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 26.509 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.136 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 0.094 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 4.189 |
Compare specifications (specs)
Intel Core 2 Quad Q9400 | Intel Pentium D 940 | |
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Essentials |
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Architecture codename | Yorkfield | Presler |
Launch date | August 2008 | January 2006 |
Place in performance rating | 3119 | 3134 |
Price now | $33.98 | |
Processor Number | Q9400 | 940 |
Series | Legacy Intel® Core™ Processors | Legacy Intel® Pentium® Processor |
Status | Discontinued | Discontinued |
Value for money (0-100) | 28.99 | |
Vertical segment | Desktop | Desktop |
Performance |
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64 bit support | ||
Base frequency | 2.66 GHz | 3.20 GHz |
Bus Speed | 1333 MHz FSB | 800 MHz FSB |
Die size | 164 mm2 | 162 mm2 |
L1 cache | 256 KB | 28 KB |
L2 cache | 6144 KB | 4096 KB |
Manufacturing process technology | 45 nm | 65 nm |
Maximum case temperature (TCase) | 71 °C | |
Maximum core temperature | 71.4°C | B1=68.6°C, C1=63.4°C |
Maximum frequency | 2.67 GHz | 3.2 GHz |
Number of cores | 4 | 2 |
Transistor count | 456 million | 376 million |
VID voltage range | 0.8500V-1.3625V | 1.200V-1.3375V |
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 | 2 |
Package Size | 37.5mm x 37.5mm | 37.5mm x 37.5mm |
Sockets supported | LGA775 | PLGA775 |
Thermal Design Power (TDP) | 95 Watt | 130 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 | ||
Physical Address Extensions (PAE) | 32-bit | |
Virtualization |
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Intel® Virtualization Technology (VT-x) | ||
Intel® Virtualization Technology for Directed I/O (VT-d) |