Celeron 445 vs Core 2 Extreme QX9770
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1954 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | 0.82 | no data |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Yorkfield (2007−2009) | Conroe-CL (2008) |
| Release date | March 2008 (17 years ago) | 31 August 2008 (17 years ago) |
Detailed specifications
Core 2 Extreme QX9770 and Celeron 445 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | 3.2 GHz | 1.86 GHz |
| Boost clock speed | 3.2 GHz | 1.87 GHz |
| Bus rate | 1600 MHz | no data |
| L1 cache | 64K (per core) | 64 KB |
| L2 cache | 12 MB (shared) | 512 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 65 nm |
| Die size | 2x 107 mm2 | 77 mm2 |
| Maximum case temperature (TCase) | 55 °C | no data |
| Number of transistors | 820 million | 105 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Extreme QX9770 and Celeron 445 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | LGA775 | 771 |
| Power consumption (TDP) | 136 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme QX9770 and Celeron 445. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | - |
| FSB parity | - | + |
Security technologies
Core 2 Extreme QX9770 and Celeron 445 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Extreme QX9770 and Celeron 445 are enumerated here.
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9770 and Celeron 445. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Core 2 Extreme QX9770 and Celeron 445.
| PCIe version | no data | 2.0 |
Pros & cons summary
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 136 Watt | 65 Watt |
Core 2 Extreme QX9770 has 300% more physical cores and 300% more threads, and a 44.4% more advanced lithography process.
Celeron 445, on the other hand, has 109.2% lower power consumption.
We couldn't decide between Intel Core 2 Extreme QX9770 and Intel Celeron 445. We've got no test results to judge.
Note that Core 2 Extreme QX9770 is a desktop processor while Celeron 445 is a server/workstation one.
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