Ryzen 9 5900HS vs Ryzen 7 7840S
Aggregate performance score
Ryzen 7 7840S outperforms Ryzen 9 5900HS by a moderate 14% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 7 7840S and Ryzen 9 5900HS processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 399 | 489 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Phoenix (Zen 4, Ryzen 7040) | AMD Cezanne (Zen 3, Ryzen 5000) |
| Architecture codename | Phoenix-HS (Zen 4) | Cezanne-HS (Zen 3) |
| Release date | 5 January 2023 (1 year ago) | 12 January 2021 (3 years ago) |
Detailed specifications
Ryzen 7 7840S and Ryzen 9 5900HS 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) | 8 (Octa-Core) |
| Threads | 16 | 16 |
| Base clock speed | 3.8 GHz | 3 GHz |
| Boost clock speed | 5.1 GHz | 4.6 GHz |
| L1 cache | 512 KB | 512 KB |
| L2 cache | 8 MB | 4 MB |
| L3 cache | 16 MB | 16 MB |
| 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 | + | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Ryzen 7 7840S and Ryzen 9 5900HS 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 | FP6 |
| Power consumption (TDP) | 35 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 7840S and Ryzen 9 5900HS. You'll probably need this information if you require some particular technology.
| Instruction set extensions | DDR5-5600/LPDDR5x-7500 RAM (incl. ECC), PCIe 4, Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | DDR4-3200/LPDDR4-4266 RAM, PCIe 3, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | + | + |
| FMA | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 7840S and Ryzen 9 5900HS are enumerated here.
| AMD-V | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7840S and Ryzen 9 5900HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon 780M | AMD Radeon RX Vega 8 (Ryzen 4000/5000) |
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.
Ryzen 7 7840S outperforms Ryzen 9 5900HS by 14% based on our aggregate benchmark results.
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%
Ryzen 7 7840S outperforms Ryzen 9 5900HS by 13% in Passmark.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Benchmark coverage: 20%
Ryzen 7 7840S outperforms Ryzen 9 5900HS by 19% in Cinebench 10 32-bit single-core.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Benchmark coverage: 19%
Ryzen 7 7840S outperforms Ryzen 9 5900HS by 11% in Cinebench 10 32-bit multi-core.
Cinebench 11.5 64-bit multi-core
Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.
Benchmark coverage: 17%
Ryzen 7 7840S outperforms Ryzen 9 5900HS by 15% in Cinebench 11.5 64-bit multi-core.
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%
Ryzen 7 7840S outperforms Ryzen 9 5900HS by 9% 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 7840S outperforms Ryzen 9 5900HS by 16% in Cinebench 15 64-bit single-core.
Cinebench 11.5 64-bit single-core
Cinebench R11.5 is an old benchmark 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 loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.
Benchmark coverage: 14%
Ryzen 7 7840S outperforms Ryzen 9 5900HS by 18% in Cinebench 11.5 64-bit single-core.
Pros & cons summary
| Performance score | 15.93 | 14.03 |
| Integrated graphics card | 18.35 | 9.08 |
| Recency | 5 January 2023 | 12 January 2021 |
| Chip lithography | 4 nm | 7 nm |
The Ryzen 7 7840S is our recommended choice as it beats the Ryzen 9 5900HS in performance tests.
Should you still have questions on choice between Ryzen 7 7840S and Ryzen 9 5900HS, ask them in Comments section, and we shall answer.
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