Xeon W-2155 vs Ryzen 9 8945H
Aggregate performance score
Ryzen 9 8945H outperforms Xeon W-2155 by a considerable 43% 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 | 355 | 638 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 6.02 |
| Market segment | Laptop | Server |
| Series | AMD Hawk Point (Zen 4/4c, Ryzen 8040) | Intel Xeon W |
| Power efficiency | 40.12 | 9.01 |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Hawk Point-HS (Zen 4) (2023−2024) | Skylake (server) (2017−2018) |
| Release date | 6 December 2023 (1 year ago) | 29 August 2017 (7 years ago) |
| Launch price (MSRP) | no data | $1,440 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen 9 8945H and Xeon W-2155 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 | 8 (Octa-Core) | 10 (Deca-Core) |
| Threads | 16 | 20 |
| Base clock speed | 4 GHz | 3.3 GHz |
| Boost clock speed | 5.2 GHz | 4.5 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | no data | 4 × 8 GT/s |
| Multiplier | no data | 33 |
| L1 cache | 512 KB | 64K (per core) |
| L2 cache | 8 MB | 1 MB (per core) |
| L3 cache | 16 MB | 13.75 MB (shared) |
| Chip lithography | 4 nm | 14 nm |
| Die size | 178 mm2 | 484 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 68 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
Compatibility
Information on Ryzen 9 8945H and Xeon W-2155 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 | FP7/FP7r2/FP8 | FCLGA2066 |
| Power consumption (TDP) | 45 Watt | 140 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 8945H and Xeon W-2155. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | - |
| Demand Based Switching | no data | + |
| PAE | no data | 46 Bit |
| Turbo Boost Max 3.0 | no data | - |
Security technologies
Ryzen 9 8945H and Xeon W-2155 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| MPX | - | + |
| Identity Protection | - | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 8945H and Xeon W-2155 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 8945H and Xeon W-2155. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, 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 | AMD Radeon 780M ( - 2800 MHz) | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 8945H and Xeon W-2155.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 48 |
Synthetic benchmark performance
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 | 18.80 | 13.13 |
| Recency | 6 December 2023 | 29 August 2017 |
| Physical cores | 8 | 10 |
| Threads | 16 | 20 |
| Chip lithography | 4 nm | 14 nm |
| Power consumption (TDP) | 45 Watt | 140 Watt |
Ryzen 9 8945H has a 43.2% higher aggregate performance score, an age advantage of 6 years, a 250% more advanced lithography process, and 211.1% lower power consumption.
Xeon W-2155, on the other hand, has 25% more physical cores and 25% more threads.
The AMD Ryzen 9 8945H is our recommended choice as it beats the Intel Xeon W-2155 in performance tests.
Be aware that Ryzen 9 8945H is a notebook processor while Xeon W-2155 is a server/workstation one.
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