Xeon W-2191B vs Apple M5 Max
Aggregate performance score
M5 Max outperforms Xeon W-2191B by a whopping 104% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 174 | 554 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | no data | Intel Xeon W |
| Power efficiency | no data | 4.85 |
| Designer | Apple | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | no data | Skylake (server) (2017−2018) |
| Release date | 3 March 2026 (less than a year ago) | 21 December 2017 (8 years ago) |
Detailed specifications
Basic parameters of M5 Max and Xeon W-2191B: 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 | 18 (Octadeca-Core) | 18 (Octadeca-Core) |
| Threads | 18 | 36 |
| Base clock speed | 3.048 GHz | 2.3 GHz |
| Boost clock speed | 4.61 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 | no data | 64K (per core) |
| L2 cache | 32 MB | 1 MB (per core) |
| L3 cache | 24 MB | 24.75 MB (shared) |
| Chip lithography | 3 nm | 14 nm |
| Die size | no data | 484 mm2 |
| Maximum case temperature (TCase) | no data | 66 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on M5 Max 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 | no data | 1 (Uniprocessor) |
| Socket | no data | 2066 |
| Power consumption (TDP) | no data | 140 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by M5 Max 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
M5 Max 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 M5 Max 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 M5 Max and Xeon W-2191B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | 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 | - | + |
Peripherals
Specifications and connection of peripherals supported by M5 Max and Xeon W-2191B.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 48 |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 33.55 | 16.42 |
| Recency | 3 March 2026 | 21 December 2017 |
| Threads | 18 | 36 |
| Chip lithography | 3 nm | 14 nm |
Apple M5 Max has a 104% higher aggregate performance score, an age advantage of 8 years, and a 367% more advanced lithography process.
Xeon W-2191B, on the other hand, has 100% more threads.
The Apple M5 Max is our recommended choice as it beats the Intel Xeon W-2191B in performance tests.
Be aware that Apple M5 Max is a notebook processor while Xeon W-2191B is a server/workstation one.
Other comparisons
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