Phenom X4 9850 (95W) vs Xeon E5405
Primary details
Comparing Xeon E5405 and Phenom X4 9850 (95W) processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2405 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Power efficiency | 1.28 | no data |
| Architecture codename | no data | Agena (2007−2008) |
| Release date | 1 October 2007 (17 years ago) | October 2008 (16 years ago) |
Detailed specifications
Xeon E5405 and Phenom X4 9850 (95W) 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 | no data | 4 (Quad-Core) |
| Threads | no data | 4 |
| Base clock speed | 2 GHz | no data |
| Boost clock speed | no data | 2.5 GHz |
| L1 cache | no data | 128 KB (per core) |
| L2 cache | no data | 512 KB (per core) |
| L3 cache | 12 MB L2 Cache | 2 MB (shared) |
| Chip lithography | 45 nm | 65 nm |
| Die size | no data | 285 mm2 |
| Maximum core temperature | 67 °C | no data |
| Number of transistors | no data | 450 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Xeon E5405 and Phenom X4 9850 (95W) 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 | no data | 1 |
| Socket | LGA771 | AM2+ |
| Power consumption (TDP) | 80 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5405 and Phenom X4 9850 (95W). You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | - | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| FSB parity | + | no data |
Security technologies
Xeon E5405 and Phenom X4 9850 (95W) technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5405 and Phenom X4 9850 (95W) are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
| EPT | - | no data |
Pros & cons summary
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 80 Watt | 95 Watt |
Xeon E5405 has a 44.4% more advanced lithography process, and 18.8% lower power consumption.
We couldn't decide between Xeon E5405 and Phenom X4 9850 (95W). We've got no test results to judge.
Be aware that Xeon E5405 is a server/workstation processor while Phenom X4 9850 (95W) is a desktop one.
Should you still have questions on choice between Xeon E5405 and Phenom X4 9850 (95W), 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.
