i9-11900T vs Ultra 7 155H
Aggregate performance score
Core Ultra 7 155H outperforms Core i9-11900T by a substantial 33% based on our aggregate benchmark results.
Primary details
Comparing Core Ultra 7 155H and Core i9-11900T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 433 | 655 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Meteor Lake-H | no data |
| Power efficiency | 53.40 | 32.21 |
| Architecture codename | Meteor Lake-H (2023) | Rocket Lake (2021) |
| Release date | 14 December 2023 (1 year ago) | 16 March 2021 (3 years ago) |
| Launch price (MSRP) | $503 | no data |
Detailed specifications
Core Ultra 7 155H and Core i9-11900T 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) | 8 (Octa-Core) |
| Threads | 22 | 16 |
| Base clock speed | 3.8 GHz | 1.5 GHz |
| Boost clock speed | 4.8 GHz | 4.9 GHz |
| Bus rate | no data | 8 GT/s |
| L1 cache | 112 KB (per core) | 64K (per core) |
| L2 cache | 2 MB (per core) | 256K (per core) |
| L3 cache | 24 MB (shared) | 16 MB (shared) |
| Chip lithography | 7 nm | 14 nm |
| Maximum core temperature | 110 °C | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
Compatibility
Information on Core Ultra 7 155H and Core i9-11900T 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 | Intel BGA 2049 | FCLGA1200 |
| Power consumption (TDP) | 28 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 7 155H and Core i9-11900T. 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, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | + | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Core Ultra 7 155H and Core i9-11900T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| Secure Key | no data | + |
| Identity Protection | - | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 7 155H and Core i9-11900T 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 Core i9-11900T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4-3200 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 50 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel Arc 8-Cores iGPU ( - 2250 MHz) | Intel UHD Graphics 750 |
| Max video memory | no data | 64 GB |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.3 GHz |
| Execution Units | no data | 32 |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Core Ultra 7 155H and Core i9-11900T integrated GPUs.
| Number of displays supported | no data | 3 |
Graphics image quality
Maximum display resolutions supported by Core Ultra 7 155H and Core i9-11900T integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2160@60Hz |
| Max resolution over eDP | no data | 5120 x 3200 @60Hz |
| Max resolution over DisplayPort | no data | 5120 x 3200 @60Hz |
Graphics API support
APIs supported by Core Ultra 7 155H and Core i9-11900T integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 7 155H and Core i9-11900T.
| PCIe version | 5.0 | 4.0 |
| PCI Express lanes | 8 | 20 |
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.
Pros & cons summary
| Performance score | 15.81 | 11.92 |
| Integrated graphics card | 18.48 | 4.50 |
| Recency | 14 December 2023 | 16 March 2021 |
| Physical cores | 16 | 8 |
| Threads | 22 | 16 |
| Chip lithography | 7 nm | 14 nm |
| Power consumption (TDP) | 28 Watt | 35 Watt |
Ultra 7 155H has a 32.6% higher aggregate performance score, 310.7% faster integrated GPU, an age advantage of 2 years, 100% more physical cores and 37.5% more threads, a 100% more advanced lithography process, and 25% lower power consumption.
The Core Ultra 7 155H is our recommended choice as it beats the Core i9-11900T in performance tests.
Be aware that Core Ultra 7 155H is a notebook processor while Core i9-11900T is a desktop one.
Should you still have questions on choice between Core Ultra 7 155H and Core i9-11900T, ask them in Comments section, and we shall answer.
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