Core Ultra 7 266V vs Core 2 Extreme QX6800
Primary details
Comparing Core 2 Extreme QX6800 and Core Ultra 7 266V processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Architecture codename | Kentsfield (2007) | Lunar Lake (2024) |
| Release date | April 2007 (17 years ago) | 24 September 2024 (less than a year ago) |
Detailed specifications
Core 2 Extreme QX6800 and Core Ultra 7 266V 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) | 8 (Octa-Core) |
| Performance-cores | no data | 4 |
| Low Power Efficient-cores | no data | 4 |
| Threads | 4 | 8 |
| Base clock speed | 2.93 GHz | 2.2 GHz |
| Boost clock speed | 2.93 GHz | 5 GHz |
| Bus rate | 1066 MHz | 37 MHz |
| L1 cache | 64K (per core) | 192 KB (per core) |
| L2 cache | 8 MB (shared) | 2.5 MB (per core) |
| L3 cache | 0 KB | 12 MB (shared) |
| Chip lithography | 65 nm | 3 nm |
| Die size | 2x 143 mm2 | no data |
| Maximum core temperature | 65 °C | 100 °C |
| Number of transistors | 582 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
| VID voltage range | 0.85V-1.5V | no data |
Compatibility
Information on Core 2 Extreme QX6800 and Core Ultra 7 266V 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 | FCBGA2833 |
| Power consumption (TDP) | 130 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme QX6800 and Core Ultra 7 266V. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | - |
| TSX | - | + |
| Idle States | + | no data |
| Thermal Monitoring | + | + |
| Demand Based Switching | - | no data |
| Turbo Boost Max 3.0 | no data | + |
| FSB parity | - | no data |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Core 2 Extreme QX6800 and Core Ultra 7 266V technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Extreme QX6800 and Core Ultra 7 266V are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX6800 and Core Ultra 7 266V. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR5 |
| Maximum memory size | no data | 16 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel Arc Graphics 140V |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 2 GHz |
Graphics interfaces
Available interfaces and connections of Core 2 Extreme QX6800 and Core Ultra 7 266V integrated GPUs.
| Number of displays supported | no data | 3 |
Graphics image quality
Maximum display resolutions supported by Core 2 Extreme QX6800 and Core Ultra 7 266V integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | no data | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Core 2 Extreme QX6800 and Core Ultra 7 266V integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.2 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Extreme QX6800 and Core Ultra 7 266V.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 4 |
| PCI support | no data | 5.0 and 4.0 |
Pros & cons summary
| Physical cores | 4 | 8 |
| Threads | 4 | 8 |
| Chip lithography | 65 nm | 3 nm |
| Power consumption (TDP) | 130 Watt | 17 Watt |
Ultra 7 266V has 100% more physical cores and 100% more threads, a 2066.7% more advanced lithography process, and 664.7% lower power consumption.
We couldn't decide between Core 2 Extreme QX6800 and Core Ultra 7 266V. We've got no test results to judge.
Note that Core 2 Extreme QX6800 is a desktop processor while Core Ultra 7 266V is a notebook one.
Should you still have questions on choice between Core 2 Extreme QX6800 and Core Ultra 7 266V, ask them in Comments section, and we shall answer.
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