Xeon L5609 vs Core 2 Extreme QX9300
Aggregate performance score
Xeon L5609 outperforms Core 2 Extreme QX9300 by an impressive 83% 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 | 2674 | 2168 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Core 2 Extreme | no data |
| Power efficiency | no data | 5.02 |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Penryn (2008−2011) | Westmere-EP (2010−2011) |
| Release date | August 2008 (17 years ago) | 16 March 2010 (15 years ago) |
Detailed specifications
Core 2 Extreme QX9300 and Xeon L5609 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) | 4 (Quad-Core) |
| Threads | 4 | 4 |
| Base clock speed | 2.53 GHz | 1.86 GHz |
| Boost clock speed | 2.53 GHz | 1.86 GHz |
| Bus rate | 1066 MHz | no data |
| L1 cache | 64 KB | 64 KB (per core) |
| L2 cache | 12 MB | 256 KB (per core) |
| L3 cache | 0 KB | 12 MB (shared) |
| Chip lithography | 45 nm | 32 nm |
| Die size | 2x 107 mm2 | 239 mm2 |
| Maximum core temperature | 100 °C | 63 °C |
| Number of transistors | no data | 1,170 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| VID voltage range | 1.05V-1.175V | no data |
Compatibility
Information on Core 2 Extreme QX9300 and Xeon L5609 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 | 2 | 2 |
| Socket | PGA478 | FCLGA1366,LGA1366 |
| Power consumption (TDP) | 45 Watt | 40 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme QX9300 and Xeon L5609. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2 |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | no data | + |
| Demand Based Switching | - | + |
| PAE | no data | 40 Bit |
| AMT | + | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Extreme QX9300 and Xeon L5609 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 QX9300 and Xeon L5609 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 QX9300 and Xeon L5609. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | no data | 288 GB |
| Max memory channels | no data | 3 |
| Maximum memory bandwidth | no data | 25.6 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Core 2 Extreme QX9300 and Xeon L5609.
| PCIe version | no data | 2.0 |
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 | 1.02 | 1.87 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 45 Watt | 40 Watt |
Xeon L5609 has a 83.3% higher aggregate performance score, a 40.6% more advanced lithography process, and 12.5% lower power consumption.
The Intel Xeon L5609 is our recommended choice as it beats the Intel Core 2 Extreme QX9300 in performance tests.
Be aware that Core 2 Extreme QX9300 is a notebook processor while Xeon L5609 is a server/workstation one.
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