Core i5-1155G7 vs Core i7-8557U
Aggregate performance score
i5-1155G7 outperforms i7-8557U by a substantial 36% based on our aggregate benchmark results.
Primary details
Comparing Core i7-8557U and Core i5-1155G7 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1230 | 1017 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | Tiger Lake |
| Architecture codename | Coffee Lake-U (2018−2019) | Tiger Lake-UP3 (2020−2021) |
| Release date | 16 July 2019 (5 years ago) | 30 May 2021 (3 years ago) |
Detailed specifications
Core i7-8557U and Core i5-1155G7 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 | 4 (Quad-Core) | 4 (Quad-Core) |
| Threads | 8 | 8 |
| Base clock speed | 1.7 GHz | 2.5 GHz |
| Boost clock speed | 4.5 GHz | 4.5 GHz |
| L1 cache | 256 KB | 320 KB |
| L2 cache | 1 MB | 5 MB |
| L3 cache | 8 MB | 8 MB |
| Chip lithography | 14 nm | 10 nm |
| Maximum core temperature | 100 °C | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Core i7-8557U and Core i5-1155G7 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 | FCBGA1528 | BGA1449 |
| Power consumption (TDP) | 28 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-8557U and Core i5-1155G7. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | no data | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Hyper-Threading Technology | + | no data |
| TSX | no data | + |
Security technologies
Core i7-8557U and Core i5-1155G7 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-8557U and Core i5-1155G7 are enumerated here.
| AMD-V | + | no data |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-8557U and Core i5-1155G7. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4 |
| Maximum memory bandwidth | 37.5 GB/s | no data |
| ECC memory support | - | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel Iris Plus Graphics 645 | Intel Iris Xe Graphics G7 80EUs |
Peripherals
Specifications and connection of peripherals supported by Core i7-8557U and Core i5-1155G7.
| PCIe version | no data | 4.0 |
| PCI Express lanes | 16 | 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 | 4.81 | 6.56 |
| Integrated graphics card | 4.00 | 7.55 |
| Recency | 16 July 2019 | 30 May 2021 |
| Chip lithography | 14 nm | 10 nm |
i5-1155G7 has a 36.4% higher aggregate performance score, 88.8% faster integrated GPU, an age advantage of 1 year, and a 40% more advanced lithography process.
The Core i5-1155G7 is our recommended choice as it beats the Core i7-8557U in performance tests.
Should you still have questions on choice between Core i7-8557U and Core i5-1155G7, ask them in Comments section, and we shall answer.
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