Xeon 6766E vs Pentium Extreme Edition 965
Primary details
Comparing Pentium Extreme Edition 965 and Xeon 6766E processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2791 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | 0.45 | no data |
| Architecture codename | Presler (2005−2007) | Sierra Forest (2024) |
| Release date | 26 March 2006 (18 years ago) | 3 June 2024 (less than a year ago) |
| Launch price (MSRP) | $999 | $10,257 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium Extreme Edition 965 and Xeon 6766E 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 | 2 (Dual-core) | 144 |
| Threads | 4 | 144 |
| Base clock speed | 3.733 GHz | 1.9 GHz |
| Boost clock speed | 0.73 GHz | 2.7 GHz |
| L1 cache | 16 KB (per core) | 96 KB (per core) |
| L2 cache | 2 MB (per core) | 4 MB (per module) |
| L3 cache | no data | 108 MB (shared) |
| Chip lithography | 65 nm | 5 nm |
| Die size | 2x 81 mm2 | no data |
| Maximum case temperature (TCase) | 67 °C | 84 °C |
| Number of transistors | 376 million | no data |
| 64 bit support | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Pentium Extreme Edition 965 and Xeon 6766E 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 | 2 |
| Socket | 775 | 4710 |
| Power consumption (TDP) | 130 Watt | 250 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium Extreme Edition 965 and Xeon 6766E. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
Pentium Extreme Edition 965 and Xeon 6766E technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium Extreme Edition 965 and Xeon 6766E are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium Extreme Edition 965 and Xeon 6766E. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 Depends on motherboard | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | N/A |
Peripherals
Specifications and connection of peripherals supported by Pentium Extreme Edition 965 and Xeon 6766E.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 88 |
Pros & cons summary
| Recency | 26 March 2006 | 3 June 2024 |
| Physical cores | 2 | 144 |
| Threads | 4 | 144 |
| Chip lithography | 65 nm | 5 nm |
| Power consumption (TDP) | 130 Watt | 250 Watt |
Pentium Extreme Edition 965 has 92.3% lower power consumption.
Xeon 6766E, on the other hand, has an age advantage of 18 years, 7100% more physical cores and 3500% more threads, and a 1200% more advanced lithography process.
We couldn't decide between Pentium Extreme Edition 965 and Xeon 6766E. We've got no test results to judge.
Note that Pentium Extreme Edition 965 is a desktop processor while Xeon 6766E is a server/workstation one.
Should you still have questions on choice between Pentium Extreme Edition 965 and Xeon 6766E, ask them in Comments section, and we shall answer.
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