Ultra 7 155H vs i9-9990XE
Aggregate performance score
Core i9-9990XE outperforms Core Ultra 7 155H by a significant 20% based on our aggregate benchmark results.
Primary details
Comparing Core i9-9990XE and Core Ultra 7 155H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 311 | 433 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.94 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Intel Core i9 | Intel Meteor Lake-H |
| Power efficiency | 7.05 | 53.44 |
| Architecture codename | Skylake (server) (2017−2018) | Meteor Lake-H (2023) |
| Release date | 19 October 2018 (6 years ago) | 14 December 2023 (1 year ago) |
| Launch price (MSRP) | $2,800 | $503 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i9-9990XE and Core Ultra 7 155H 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 | 14 (Tetradeca-Core) | 16 (Hexadeca-Core) |
| Threads | 28 | 22 |
| Base clock speed | 4 GHz | 3.8 GHz |
| Boost clock speed | 5.1 GHz | 4.8 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 40 | no data |
| L1 cache | 64 KB (per core) | 112 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 19.25 MB (shared) | 24 MB (shared) |
| Chip lithography | 14 nm | 7 nm |
| Maximum core temperature | no data | 110 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-9990XE and Core Ultra 7 155H 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 (Uniprocessor) | 1 |
| Socket | 2066 | Intel BGA 2049 |
| Power consumption (TDP) | 255 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-9990XE and Core Ultra 7 155H. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | + | + |
Security technologies
Core i9-9990XE and Core Ultra 7 155H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-9990XE and Core Ultra 7 155H are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-9990XE and Core Ultra 7 155H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Quad-channel | DDR5 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 4 | no data |
| Maximum memory bandwidth | 85.33 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Intel Arc 8-Cores iGPU ( - 2250 MHz) |
Peripherals
Specifications and connection of peripherals supported by Core i9-9990XE and Core Ultra 7 155H.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 44 | 8 |
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 | 18.99 | 15.81 |
| Recency | 19 October 2018 | 14 December 2023 |
| Physical cores | 14 | 16 |
| Threads | 28 | 22 |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 255 Watt | 28 Watt |
i9-9990XE has a 20.1% higher aggregate performance score, and 27.3% more threads.
Ultra 7 155H, on the other hand, has an age advantage of 5 years, 14.3% more physical cores, a 100% more advanced lithography process, and 810.7% lower power consumption.
The Core i9-9990XE is our recommended choice as it beats the Core Ultra 7 155H in performance tests.
Note that Core i9-9990XE is a desktop processor while Core Ultra 7 155H is a notebook one.
Should you still have questions on choice between Core i9-9990XE and Core Ultra 7 155H, ask them in Comments section, and we shall answer.
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