Xeon 6553P-B vs Ultra 7 155H
Primary details
Comparing Core Ultra 7 155H and Xeon 6553P-B processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 454 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Meteor Lake-H | no data |
| Power efficiency | 53.03 | no data |
| Designer | Intel | Intel |
| Architecture codename | Meteor Lake-H (2023) | Granite Rapids (2024−2025) |
| Release date | 14 December 2023 (1 year ago) | 24 February 2025 (recently) |
| Launch price (MSRP) | $503 | $2,402 |
Detailed specifications
Core Ultra 7 155H and Xeon 6553P-B 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 | 16 (Hexadeca-Core) | 36 |
| Performance-cores | 6 | no data |
| Efficient-cores | 8 | no data |
| Low Power Efficient-cores | 2 | no data |
| Threads | 22 | 72 |
| Base clock speed | 3.8 GHz | 2.6 GHz |
| Boost clock speed | 4.8 GHz | 4 GHz |
| L1 cache | 112 KB (per core) | 112 KB (per core) |
| L2 cache | 2 MB (per core) | 2 MB (per core) |
| L3 cache | 24 MB (shared) | 144 MB (shared) |
| Chip lithography | Intel 4 nm | 5 nm |
| Die size | no data | 598 mm2 |
| Maximum core temperature | 110 °C | no data |
| Maximum case temperature (TCase) | no data | 85 °C |
| 64 bit support | + | + |
Compatibility
Information on Core Ultra 7 155H and Xeon 6553P-B 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 | FCBGA2049 | Intel BGA 4368 |
| Power consumption (TDP) | 28 Watt | 235 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 7 155H and Xeon 6553P-B. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Turbo Boost Max 3.0 | + | no data |
| Deep Learning Boost | + | - |
| Supported AI Software Frameworks | OpenVINO™, WindowsML, ONNX RT | - |
Security technologies
Core Ultra 7 155H and Xeon 6553P-B technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
| Secure Key | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 7 155H and Xeon 6553P-B are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155H and Xeon 6553P-B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
| Maximum memory size | 96 GB | no data |
| Max memory channels | 2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® Arc™ graphics | N/A |
| Quick Sync Video | + | - |
| Graphics max frequency | 2.25 GHz | no data |
Graphics interfaces
Available interfaces and connections of Core Ultra 7 155H and Xeon 6553P-B integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Core Ultra 7 155H and Xeon 6553P-B integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL) | no data |
| Max resolution over eDP | 3840x2400 @ 120Hz | no data |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | no data |
Graphics API support
APIs supported by Core Ultra 7 155H and Xeon 6553P-B integrated GPUs, sometimes API versions are included.
| DirectX | 12.2 | no data |
| OpenGL | 4.6 | no data |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 7 155H and Xeon 6553P-B.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 8 | 32 |
| PCI support | 5.0 and 4.0 | no data |
Pros & cons summary
| Recency | 14 December 2023 | 24 February 2025 |
| Physical cores | 16 | 36 |
| Threads | 22 | 72 |
| Power consumption (TDP) | 28 Watt | 235 Watt |
Ultra 7 155H has 739.3% lower power consumption.
Xeon 6553P-B, on the other hand, has an age advantage of 1 year, and 125% more physical cores and 227.3% more threads.
We couldn't decide between Intel Core Ultra 7 155H and Intel Xeon 6553P-B. We've got no test results to judge.
Be aware that Core Ultra 7 155H is a notebook processor while Xeon 6553P-B is a server/workstation one.
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