Xeon E3-1578L v5 vs Phenom II X4 945 (95W)
Primary details
Comparing Phenom II X4 945 (95W) and Xeon E3-1578L v5 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | Intel Xeon E3 |
| Architecture codename | Deneb (2009−2011) | Skylake-H (2015−2016) |
| Release date | 22 July 2009 (15 years ago) | 31 May 2016 (8 years ago) |
| Launch price (MSRP) | no data | $449 |
Detailed specifications
Phenom II X4 945 (95W) and Xeon E3-1578L v5 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 | 8 |
| Base clock speed | 3 GHz | 2 GHz |
| Boost clock speed | 3 GHz | 2 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | no data | 4 × 8 GT/s |
| Multiplier | no data | 20 |
| L1 cache | 128 KB (per core) | 256 KB |
| L2 cache | 512 KB (per core) | 1 MB |
| L3 cache | 6 MB (shared) | 8 MB (shared) |
| Chip lithography | 45 nm | 14 nm |
| Die size | 258 mm2 | 171 mm2 |
| Number of transistors | 758 million | 2,300 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X4 945 (95W) and Xeon E3-1578L v5 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 | AM3 | Intel BGA 1440 |
| Power consumption (TDP) | 95 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 945 (95W) and Xeon E3-1578L v5. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
Phenom II X4 945 (95W) and Xeon E3-1578L v5 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X4 945 (95W) and Xeon E3-1578L v5 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X4 945 (95W) and Xeon E3-1578L v5. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | LPDDR3-1866 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 34.134 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | Intel Iris Pro Graphics P580 |
Peripherals
Specifications and connection of peripherals supported by Phenom II X4 945 (95W) and Xeon E3-1578L v5.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Recency | 22 July 2009 | 31 May 2016 |
| Threads | 4 | 8 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 45 Watt |
Xeon E3-1578L v5 has an age advantage of 6 years, 100% more threads, a 221.4% more advanced lithography process, and 111.1% lower power consumption.
We couldn't decide between Phenom II X4 945 (95W) and Xeon E3-1578L v5. We've got no test results to judge.
Note that Phenom II X4 945 (95W) is a desktop processor while Xeon E3-1578L v5 is a server/workstation one.
Should you still have questions on choice between Phenom II X4 945 (95W) and Xeon E3-1578L v5, ask them in Comments section, and we shall answer.
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