Xeon E7520 vs Core 2 Extreme X9100
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2575 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.02 | no data |
| Market segment | Laptop | Server |
| Series | Intel Core 2 Extreme | no data |
| Power efficiency | 1.13 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Penryn XE (2008) | no data |
| Release date | 1 July 2008 (17 years ago) | 1 January 2010 (16 years ago) |
| Launch price (MSRP) | $851 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Core 2 Extreme X9100 and Xeon E7520 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) | 4 (Quad-Core) |
| Threads | 2 | 8 |
| Base clock speed | 3.06 GHz | 1.87 GHz |
| Boost clock speed | 0.07 GHz | 1.87 GHz |
| Bus rate | 1066 MHz | no data |
| L1 cache | 128 KB | no data |
| L2 cache | 6 MB | no data |
| L3 cache | 0 KB | 18 MB L3 Cache |
| Chip lithography | 45 nm | 45 nm |
| Die size | 107 mm2 | no data |
| Maximum core temperature | 105 °C | 70 °C |
| Number of transistors | 410 Million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| VID voltage range | 1.05-1.2625V | no data |
Compatibility
Information on Core 2 Extreme X9100 and Xeon E7520 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 | no data |
| Socket | PGA478 | FCLGA1567 |
| Power consumption (TDP) | 44 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme X9100 and Xeon E7520. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | + |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| AMT | + | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Extreme X9100 and Xeon E7520 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Extreme X9100 and Xeon E7520 are enumerated here.
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme X9100 and Xeon E7520. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2, DDR3 Depends on motherboard | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
Pros & cons summary
| Recency | 1 July 2008 | 1 January 2010 |
| Physical cores | 2 | 4 |
| Threads | 2 | 8 |
| Power consumption (TDP) | 44 Watt | 95 Watt |
Core 2 Extreme X9100 has 115.9% lower power consumption.
Xeon E7520, on the other hand, has an age advantage of 1 year, and 100% more physical cores and 300% more threads.
We couldn't decide between Intel Core 2 Extreme X9100 and Intel Xeon E7520. We've got no test results to judge.
Be aware that Core 2 Extreme X9100 is a notebook processor while Xeon E7520 is a server/workstation one.
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