Core Ultra 7 155H vs Ryzen 7 PRO 7840U
Aggregated performance score
Primary details
Comparing Ryzen 7 PRO 7840U and Core Ultra 7 155H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 376 | 371 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Phoenix (Zen 4, Ryzen 7040) | Intel Meteor Lake-H |
| Architecture codename | Phoenix (Zen 4) | Meteor Lake-H |
| Release date | 3 May 2023 (1 year ago) | 14 December 2023 (less than a year ago) |
Detailed specifications
Ryzen 7 PRO 7840U 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 | 8 (Octa-Core) | 16 (Hexadeca-Core) |
| Threads | 16 | 22 |
| Base clock speed | 3.3 GHz | 3.8 GHz |
| Boost clock speed | 5.1 GHz | 4.8 GHz |
| L1 cache | 512 KB | 112 KB (per core) |
| L2 cache | 8 MB | 2 MB (per core) |
| L3 cache | 16 MB | 24 MB (shared) |
| Chip lithography | 4 nm | 7 nm |
| Die size | 178 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | No | No |
Compatibility
Information on Ryzen 7 PRO 7840U 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 | no data | 1 |
| Socket | no data | FCBGA2049 |
| Power consumption (TDP) | 28 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 PRO 7840U and Core Ultra 7 155H. 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 | no data | + |
| AVX | no data | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | no data | + |
| Thermal Monitoring | no data | + |
| Flex Memory Access | no data | + |
| SIPP | no data | - |
| Turbo Boost Max 3.0 | no data | + |
| Status | no data | Launched |
Security technologies
Ryzen 7 PRO 7840U and Core Ultra 7 155H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 PRO 7840U and Core Ultra 7 155H 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 7 PRO 7840U and Core Ultra 7 155H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
| Maximum memory size | no data | 96 GB |
| Max memory channels | no data | 2 |
| ECC memory support | no data | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 780M | Intel® Arc™ graphics |
| Quick Sync Video | no data | + |
| Graphics max frequency | no data | 2.25 GHz |
Graphics interfaces
Available interfaces and connections of Ryzen 7 PRO 7840U and Core Ultra 7 155H integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Ryzen 7 PRO 7840U and Core Ultra 7 155H integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | no data | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Ryzen 7 PRO 7840U and Core Ultra 7 155H integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.2 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 PRO 7840U and Core Ultra 7 155H.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 28 |
| PCI support | no data | 5.0 and 4.0 |
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.
Benchmark coverage: 68%
Core Ultra 7 155H outperforms Ryzen 7 PRO 7840U by 1% in Passmark.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Benchmark coverage: 15%
Core Ultra 7 155H outperforms Ryzen 7 PRO 7840U by 6% in Cinebench 15 64-bit multi-core.
Cinebench 15 64-bit single-core
Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.
Benchmark coverage: 15%
Ryzen 7 PRO 7840U outperforms Core Ultra 7 155H by 4% in Cinebench 15 64-bit single-core.
Pros & cons summary
| Performance score | 16.07 | 16.15 |
| Recency | 3 May 2023 | 14 December 2023 |
| Physical cores | 8 | 16 |
| Threads | 16 | 22 |
| Chip lithography | 4 nm | 7 nm |
Given the minimal performance differences, no clear winner can be declared between Ryzen 7 PRO 7840U and Core Ultra 7 155H.
Should you still have questions on choice between Ryzen 7 PRO 7840U and Core Ultra 7 155H, ask them in Comments section, and we shall answer.
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