i7-920 vs Xeon D-1520
Aggregate performance score
Xeon D-1520 outperforms Core i7-920 by an impressive 73% based on our aggregate benchmark results.
Primary details
Comparing Xeon D-1520 and Core i7-920 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1619 | 2011 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.76 | 1.22 |
| Market segment | Server | Desktop processor |
| Series | Intel Xeon D | Core i7 (Desktop) |
| Power efficiency | 6.51 | 1.30 |
| Architecture codename | Broadwell (2015−2019) | Bloomfield (2008−2010) |
| Release date | 9 March 2015 (9 years ago) | November 2008 (16 years ago) |
| Launch price (MSRP) | $199 | $340 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon D-1520 has 44% better value for money than i7-920.
Detailed specifications
Xeon D-1520 and Core i7-920 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 | 8 | 8 |
| Base clock speed | 2.2 GHz | 2.66 GHz |
| Boost clock speed | 2.6 GHz | 2.93 GHz |
| Bus type | DMI 2.0 | no data |
| Bus rate | no data | 1333 MHz |
| Multiplier | 22 | no data |
| L1 cache | 256 KB | 64 KB (per core) |
| L2 cache | 1 MB | 256 KB (per core) |
| L3 cache | 6 MB | 8 MB (shared) |
| Chip lithography | 14 nm | 45 nm |
| Die size | 246.24 mm2 | 263 mm2 |
| Maximum core temperature | no data | 68 °C |
| Maximum case temperature (TCase) | 80 °C | no data |
| Number of transistors | 3200 Million | 731 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon D-1520 and Core i7-920 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 (Uniprocessor) | 1 |
| Socket | FCBGA1667 | FCLGA1366,PLGA1366 |
| Power consumption (TDP) | 45 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon D-1520 and Core i7-920. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX2 | Intel® SSE4.2 |
| AES-NI | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | 1.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | - |
| Idle States | + | + |
| Thermal Monitoring | + | - |
| Demand Based Switching | no data | - |
| PAE | no data | 36 Bit |
| GPIO | + | no data |
Security technologies
Xeon D-1520 and Core i7-920 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 Xeon D-1520 and Core i7-920 are enumerated here.
| VT-d | + | no data |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon D-1520 and Core i7-920. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3 |
| Maximum memory size | 128 GB | 24 GB |
| Max memory channels | 2 | 3 |
| Maximum memory bandwidth | 34.124 GB/s | 25.6 GB/s |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by Xeon D-1520 and Core i7-920.
| PCIe version | 2.0/3.0 | no data |
| PCI Express lanes | 24 | no data |
| USB revision | 2.0/3.0 | no data |
| Total number of SATA ports | 6 | no data |
| Number of USB ports | 8 | no data |
| 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 | 3.11 | 1.80 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 45 Watt | 130 Watt |
Xeon D-1520 has a 72.8% higher aggregate performance score, a 221.4% more advanced lithography process, and 188.9% lower power consumption.
The Xeon D-1520 is our recommended choice as it beats the Core i7-920 in performance tests.
Be aware that Xeon D-1520 is a server/workstation processor while Core i7-920 is a desktop one.
Should you still have questions on choice between Xeon D-1520 and Core i7-920, ask them in Comments section, and we shall answer.
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