Celeron 2957U vs Core 2 Extreme QX9775
Primary details
Comparing Core 2 Extreme QX9775 and Celeron 2957U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 2838 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Celeron |
| Power efficiency | no data | 3.41 |
| Architecture codename | Yorkfield (2007−2009) | Haswell (2013−2015) |
| Release date | March 2008 (16 years ago) | 1 January 2014 (10 years ago) |
| Launch price (MSRP) | no data | $107 |
Detailed specifications
Core 2 Extreme QX9775 and Celeron 2957U 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) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | 3.2 GHz | 1.4 GHz |
| Boost clock speed | 3.2 GHz | 1.4 GHz |
| Bus rate | 1600 MHz | 5 GT/s |
| L1 cache | 64K (per core) | 128 KB |
| L2 cache | 12 MB (shared) | 512 KB |
| L3 cache | 0 KB | 2 MB |
| Chip lithography | 45 nm | 22 nm |
| Die size | 2x 107 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 63 °C | no data |
| Number of transistors | 820 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Core 2 Extreme QX9775 and Celeron 2957U 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 | LGA771 | FCBGA1168 |
| Power consumption (TDP) | 150 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and Celeron 2957U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Smart Response | no data | - |
| Demand Based Switching | - | no data |
| GPIO | no data | + |
| Smart Connect | no data | + |
| FDI | no data | - |
| AMT | no data | 9.5 |
| Matrix Storage | no data | - |
| FSB parity | - | no data |
| HD Audio | no data | + |
| RST | no data | + |
Security technologies
Core 2 Extreme QX9775 and Celeron 2957U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Secure Key | no data | + |
| OS Guard | no data | - |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Extreme QX9775 and Celeron 2957U are enumerated here.
| AMD-V | - | + |
| VT-d | no data | - |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9775 and Celeron 2957U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR3 |
| Maximum memory size | no data | 16 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 25.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® HD Graphics for 4th Generation Intel® Processors |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Graphics max frequency | no data | 1 GHz |
Graphics interfaces
Available interfaces and connections of Core 2 Extreme QX9775 and Celeron 2957U integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
Peripherals
Specifications and connection of peripherals supported by Core 2 Extreme QX9775 and Celeron 2957U.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 10 |
| PCI support | no data | - |
| USB revision | no data | 3.0 |
| Total number of SATA ports | no data | 2 |
| Max number of SATA 6 Gb/s Ports | no data | 2 |
| Integrated IDE | no data | - |
| Number of USB ports | no data | 4 |
| Integrated LAN | no data | - |
| UART | no data | + |
Pros & cons summary
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 45 nm | 22 nm |
| Power consumption (TDP) | 150 Watt | 15 Watt |
Core 2 Extreme QX9775 has 100% more physical cores and 100% more threads.
Celeron 2957U, on the other hand, has a 104.5% more advanced lithography process, and 900% lower power consumption.
We couldn't decide between Core 2 Extreme QX9775 and Celeron 2957U. We've got no test results to judge.
Note that Core 2 Extreme QX9775 is a desktop processor while Celeron 2957U is a notebook one.
Should you still have questions on choice between Core 2 Extreme QX9775 and Celeron 2957U, ask them in Comments section, and we shall answer.
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