Xeon W-2191B vs Athlon 900
Primary details
Comparing Athlon 900 and Xeon W-2191B processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 353 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | Intel Xeon W |
| Power efficiency | no data | 11.93 |
| Architecture codename | Thunderbird (1999−2000) | Skylake (server) (2017−2018) |
| Release date | 6 March 2000 (24 years ago) | 21 December 2017 (7 years ago) |
| Launch price (MSRP) | $899 | no data |
Detailed specifications
Athlon 900 and Xeon W-2191B 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 | 1 (Single-Core) | 18 (Octadeca-Core) |
| Threads | 1 | 36 |
| Base clock speed | no data | 2.3 GHz |
| Boost clock speed | 0.9 GHz | 4.3 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | no data | 4 × 8 GT/s |
| Multiplier | no data | 23 |
| L1 cache | 128 KB | 64K (per core) |
| L2 cache | 512 KB | 1 MB (per core) |
| L3 cache | 0 KB | 24.75 MB (shared) |
| Chip lithography | 180 nm | 14 nm |
| Die size | 102 mm2 | 484 mm2 |
| Maximum case temperature (TCase) | 70 °C | 66 °C |
| Number of transistors | 22 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon 900 and Xeon W-2191B 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 | A | 2066 |
| Power consumption (TDP) | 60 Watt | 140 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 900 and Xeon W-2191B. 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
Athlon 900 and Xeon W-2191B technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon 900 and Xeon W-2191B are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 900 and Xeon W-2191B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1 | DDR4-2666 |
| Maximum memory size | no data | 512 GB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | no data | 85.33 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Athlon 900 and Xeon W-2191B.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 48 |
Pros & cons summary
| Recency | 6 March 2000 | 21 December 2017 |
| Physical cores | 1 | 18 |
| Threads | 1 | 36 |
| Chip lithography | 180 nm | 14 nm |
| Power consumption (TDP) | 60 Watt | 140 Watt |
Athlon 900 has 133.3% lower power consumption.
Xeon W-2191B, on the other hand, has an age advantage of 17 years, 1700% more physical cores and 3500% more threads, and a 1185.7% more advanced lithography process.
We couldn't decide between Athlon 900 and Xeon W-2191B. We've got no test results to judge.
Note that Athlon 900 is a desktop processor while Xeon W-2191B is a server/workstation one.
Should you still have questions on choice between Athlon 900 and Xeon W-2191B, ask them in Comments section, and we shall answer.
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