Ryzen 7 155 vs Ryzen Z2
Aggregate performance score
Ryzen Z2 outperforms Ryzen 7 155 by an impressive 58% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 637 | 1062 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Hawk Point (Zen 4/4c) | AMD Hawk Point (Zen 4/4c) |
| Power efficiency | 22.25 | no data |
| Designer | AMD | AMD |
| Architecture codename | Hawk Point-U (Zen 4) (2023−2025) | Hawk Point Refresh (2026) |
| Release date | 6 January 2025 (1 year ago) | 2 June 2026 (less than a year ago) |
Detailed specifications
Basic parameters of Ryzen Z2 and Ryzen 7 155: 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) | 6 (Hexa-Core) |
| Threads | 16 | 12 |
| Base clock speed | 3.3 GHz | 3 GHz |
| Boost clock speed | 5.1 GHz | 4.7 GHz |
| L1 cache | 512 KB | 384 KB |
| L2 cache | 8 MB | 6 MB |
| L3 cache | 16 MB | 16 MB |
| Chip lithography | 4 nm | 4 nm |
| Die size | 178 mm2 | 178 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| 64 bit support | + | + |
Compatibility
Information on Ryzen Z2 and Ryzen 7 155 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.
| Socket | FP7/FP7r2/FP8 | FP7/FP7r2/FP8 |
| Power consumption (TDP) | 28 Watt | no data |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Z2 and Ryzen 7 155. You'll probably need this information if you require some particular technology.
| Instruction set extensions | AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 | Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 |
| AES-NI | + | + |
| AVX | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Z2 and Ryzen 7 155. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 780M | AMD Radeon 740M ( - 2600 MHz) |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 15.05 | 9.50 |
| Integrated graphics card | 16.20 | 7.05 |
| Recency | 6 January 2025 | 2 June 2026 |
| Physical cores | 8 | 6 |
| Threads | 16 | 12 |
Ryzen Z2 has a 58% higher aggregate performance score, 130% faster integrated GPU, and 33% more physical cores and 33% more threads.
Ryzen 7 155, on the other hand, has an age advantage of 1 year.
The AMD Ryzen Z2 is our recommended choice as it beats the AMD Ryzen 7 155 in performance tests.
Other comparisons
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