Phenom II X4 945 (125W) vs Xeon D-1520
Primary details
Comparing Xeon D-1520 and Phenom II X4 945 (125W) processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1533 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.36 | no data |
| Market segment | Server | Desktop processor |
| Series | Intel Xeon D | no data |
| Architecture codename | Broadwell (2015−2019) | Deneb (2009−2011) |
| Release date | 9 March 2015 (9 years ago) | April 2009 (15 years ago) |
| Launch price (MSRP) | $199 | no data |
| Current price | $680 (3.4x MSRP) | $60 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon D-1520 and Phenom II X4 945 (125W) 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 | 4 |
| Base clock speed | 2.2 GHz | no data |
| Boost clock speed | 2.6 GHz | 3 GHz |
| L1 cache | 64K (per core) | 128 KB (per core) |
| L2 cache | 256K (per core) | 512 KB (per core) |
| L3 cache | 1.5 MB (per core) | 6 MB (shared) |
| Chip lithography | 14 nm | 45 nm |
| Die size | 246.24 mm2 | 258 mm2 |
| Maximum core temperature | 80 °C | no data |
| Maximum case temperature (TCase) | 80 °C | no data |
| Number of transistors | 3,200 million | 758 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon D-1520 and Phenom II X4 945 (125W) 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 | FCBGA1667 | AM3 |
| Power consumption (TDP) | 45 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon D-1520 and Phenom II X4 945 (125W). You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX2 | no data |
| AES-NI | + | no data |
| AVX | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | no data |
| GPIO | + | no data |
| Status | Launched | no data |
Security technologies
Xeon D-1520 and Phenom II X4 945 (125W) technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon D-1520 and Phenom II X4 945 (125W) are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon D-1520 and Phenom II X4 945 (125W). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 34.124 GB/s | no data |
| ECC memory support | + | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon D-1520 and Phenom II X4 945 (125W).
| PCIe version | 2.0/3.0 | no data |
| PCI Express lanes | 32 | 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 |
Pros & cons summary
| Threads | 8 | 4 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 45 Watt | 125 Watt |
We couldn't decide between Xeon D-1520 and Phenom II X4 945 (125W). We've got no test results to judge.
Be aware that Xeon D-1520 is a server/workstation processor while Phenom II X4 945 (125W) is a desktop one.
Should you still have questions on choice between Xeon D-1520 and Phenom II X4 945 (125W), ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
