Xeon W-10855M vs Phenom X3 8400
Aggregate performance score
Xeon W-10855M outperforms Phenom X3 8400 by a whopping 980% based on our aggregate benchmark results.
Primary details
Comparing Phenom X3 8400 and Xeon W-10855M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2670 | 936 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Mobile workstation |
| Series | no data | Intel Comet Lake |
| Power efficiency | 0.73 | 16.73 |
| Architecture codename | Toliman (2008) | Comet Lake-H (2020) |
| Release date | March 2008 (16 years ago) | 13 May 2020 (4 years ago) |
Detailed specifications
Phenom X3 8400 and Xeon W-10855M 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 | 3 (Tri-Core) | 6 (Hexa-Core) |
| Threads | 3 | 12 |
| Base clock speed | no data | 2.8 GHz |
| Boost clock speed | 2.1 GHz | 4.9 GHz |
| Bus rate | no data | 8 GT/s |
| L1 cache | 128 KB (per core) | 384 KB |
| L2 cache | 512 KB (per core) | 1.5 MB |
| L3 cache | 2 MB (shared) | 12 MB |
| Chip lithography | 65 nm | 14 nm |
| Die size | 285 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 450 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Phenom X3 8400 and Xeon W-10855M 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 |
| Socket | AM2+ | FCBGA1440 |
| Power consumption (TDP) | 95 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom X3 8400 and Xeon W-10855M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | no data | + |
Security technologies
Phenom X3 8400 and Xeon W-10855M technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom X3 8400 and Xeon W-10855M are enumerated here.
| AMD-V | + | + |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom X3 8400 and Xeon W-10855M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 45.8 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® UHD Graphics for 10th Gen Intel® Processors |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.2 GHz |
Graphics interfaces
Available interfaces and connections of Phenom X3 8400 and Xeon W-10855M integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| DVI | no data | + |
Graphics image quality
Maximum display resolutions supported by Phenom X3 8400 and Xeon W-10855M integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2304@30Hz |
| Max resolution over eDP | no data | 4096x2304@60Hz |
| Max resolution over DisplayPort | no data | 4096x2304@60Hz |
Graphics API support
APIs supported by Phenom X3 8400 and Xeon W-10855M integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Phenom X3 8400 and Xeon W-10855M.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 16 |
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 0.74 | 7.99 |
| Physical cores | 3 | 6 |
| Threads | 3 | 12 |
| Chip lithography | 65 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 45 Watt |
Xeon W-10855M has a 979.7% higher aggregate performance score, 100% more physical cores and 300% more threads, a 364.3% more advanced lithography process, and 111.1% lower power consumption.
The Xeon W-10855M is our recommended choice as it beats the Phenom X3 8400 in performance tests.
Be aware that Phenom X3 8400 is a desktop processor while Xeon W-10855M is a mobile workstation one.
Should you still have questions on choice between Phenom X3 8400 and Xeon W-10855M, ask them in Comments section, and we shall answer.
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