Atom Z500 vs Phenom II X4 955 BE
Primary details
Comparing Phenom II X4 955 BE and Atom Z500 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Atom |
| Architecture codename | Deneb (2009−2011) | Silverthorne (2008−2010) |
| Release date | April 2009 (15 years ago) | 2 April 2008 (16 years ago) |
| Launch price (MSRP) | no data | $45 |
| Current price | $30 | $702 (15.6x MSRP) |
Detailed specifications
Phenom II X4 955 BE and Atom Z500 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) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Boost clock speed | 3.2 GHz | 0.8 GHz |
| Bus support | no data | 400 MT/s |
| L1 cache | 128 KB (per core) | 56 KB |
| L2 cache | 512 KB (per core) | 512 KB |
| L3 cache | 6 MB (shared) | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | 258 mm2 | 24.18 mm27.8 mm × 3.1 mm |
| Maximum core temperature | no data | 90 °C |
| Number of transistors | 758 million | 47 Million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | Yes | No |
| VID voltage range | no data | 0.80 -1.1V |
Compatibility
Information on Phenom II X4 955 BE and Atom Z500 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 | PBGA441 |
| Power consumption (TDP) | 125 Watt | 0.65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 955 BE and Atom Z500. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | no data | + |
| Demand Based Switching | no data | + |
| FSB parity | no data | - |
| Status | no data | Discontinued |
Security technologies
Phenom II X4 955 BE and Atom Z500 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 Phenom II X4 955 BE and Atom Z500 are enumerated here.
| VT-d | no data | - |
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X4 955 BE and Atom Z500. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
Pros & cons summary
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
We couldn't decide between Phenom II X4 955 BE and Atom Z500. We've got no test results to judge.
Note that Phenom II X4 955 BE is a desktop processor while Atom Z500 is a notebook one.
Should you still have questions on choice between Phenom II X4 955 BE and Atom Z500, ask them in Comments section, and we shall answer.
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