Pentium Extreme Edition 965 vs Xeon X3450
Aggregate performance score
Xeon X3450 outperforms Pentium Extreme Edition 965 by a whopping 191% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2284 | 3076 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.16 | no data |
| Market segment | Server | Desktop processor |
| Power efficiency | 1.84 | 0.46 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Lynnfield (2009−2010) | Presler (2005−2007) |
| Release date | 8 September 2009 (16 years ago) | 26 March 2006 (19 years ago) |
| Launch price (MSRP) | $241 | $999 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon X3450 and Pentium Extreme Edition 965 have a nearly equal value for money.
Performance to price scatter graph
Detailed specifications
Xeon X3450 and Pentium Extreme Edition 965 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 | 8 | 4 |
| Base clock speed | 2.66 GHz | 3.733 GHz |
| Boost clock speed | 3.2 GHz | 0.73 GHz |
| L1 cache | 64 KB (per core) | 16 KB (per core) |
| L2 cache | 256 KB (per core) | 2 MB (per core) |
| L3 cache | 8 MB (shared) | no data |
| Chip lithography | 45 nm | 65 nm |
| Die size | 296 mm2 | 2x 81 mm2 |
| Maximum case temperature (TCase) | 73 °C | 67 °C |
| Number of transistors | 774 million | 376 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon X3450 and Pentium Extreme Edition 965 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 | FCLGA1156,LGA1156 | 775 |
| Power consumption (TDP) | 95 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon X3450 and Pentium Extreme Edition 965. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | + | no data |
| PAE | 36 Bit | no data |
Security technologies
Xeon X3450 and Pentium Extreme Edition 965 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon X3450 and Pentium Extreme Edition 965 are enumerated here.
| VT-d | + | no data |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon X3450 and Pentium Extreme Edition 965. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-800, DDR3-1066, DDR3-1333 | DDR1, DDR2, DDR3 Depends on motherboard |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Xeon X3450 and Pentium Extreme Edition 965.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 1.63 | 0.56 |
| Recency | 8 September 2009 | 26 March 2006 |
| Physical cores | 4 | 2 |
| Threads | 8 | 4 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 95 Watt | 130 Watt |
Xeon X3450 has a 191.1% higher aggregate performance score, an age advantage of 3 years, 100% more physical cores and 100% more threads, a 44.4% more advanced lithography process, and 36.8% lower power consumption.
The Intel Xeon X3450 is our recommended choice as it beats the Intel Pentium Extreme Edition 965 in performance tests.
Be aware that Xeon X3450 is a server/workstation processor while Pentium Extreme Edition 965 is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
