Xeon D-1581 vs Core 2 Duo T7500
Aggregate performance score
Xeon D-1581 outperforms Core 2 Duo T7500 by a whopping 1507% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Duo T7500 and Xeon D-1581 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2853 | 895 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Core 2 Duo | Intel Xeon D |
| Power efficiency | 1.41 | 12.18 |
| Architecture codename | Merom (2006−2008) | Broadwell (2015−2019) |
| Release date | 8 May 2007 (17 years ago) | 24 February 2016 (8 years ago) |
| Launch price (MSRP) | $234 | no data |
Detailed specifications
Core 2 Duo T7500 and Xeon D-1581 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) | 16 (Hexadeca-Core) |
| Threads | 2 | 32 |
| Base clock speed | 2.2 GHz | 1.8 GHz |
| Boost clock speed | 2.2 GHz | 2.4 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | 800 MHz | no data |
| Multiplier | no data | 18 |
| L1 cache | 128 KB | 1 MB |
| L2 cache | 4 MB | 4 MB |
| L3 cache | 0 KB | 24 MB |
| Chip lithography | 65 nm | 14 nm |
| Die size | 143 mm2 | 306.18 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 80 °C |
| Number of transistors | 291 Million | 4700 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.075V - 1.25V | no data |
Compatibility
Information on Core 2 Duo T7500 and Xeon D-1581 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 (Uniprocessor) |
| Socket | PBGA479,PPGA478 | FCBGA1667 |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo T7500 and Xeon D-1581. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | + |
| TSX | - | + |
| Idle States | + | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | - | no data |
| GPIO | no data | + |
| FSB parity | - | no data |
Security technologies
Core 2 Duo T7500 and Xeon D-1581 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 Duo T7500 and Xeon D-1581 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 Duo T7500 and Xeon D-1581. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4, DDR3 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 34.124 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo T7500 and Xeon D-1581.
| PCIe version | no data | 2.0/3.0 |
| PCI Express lanes | no data | 24 |
| USB revision | no data | 2.0/3.0 |
| Total number of SATA ports | no data | 6 |
| Number of USB ports | no data | 8 |
| Integrated LAN | no data | + |
| UART | no data | + |
Synthetic benchmark performance
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
Pros & cons summary
| Performance score | 0.54 | 8.68 |
| Recency | 8 May 2007 | 24 February 2016 |
| Physical cores | 2 | 16 |
| Threads | 2 | 32 |
| Chip lithography | 65 nm | 14 nm |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Core 2 Duo T7500 has 85.7% lower power consumption.
Xeon D-1581, on the other hand, has a 1507.4% higher aggregate performance score, an age advantage of 8 years, 700% more physical cores and 1500% more threads, and a 364.3% more advanced lithography process.
The Xeon D-1581 is our recommended choice as it beats the Core 2 Duo T7500 in performance tests.
Be aware that Core 2 Duo T7500 is a notebook processor while Xeon D-1581 is a server/workstation one.
Should you still have questions on choice between Core 2 Duo T7500 and Xeon D-1581, ask them in Comments section, and we shall answer.
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