Series: Cezanne (Zen 3, Ryzen 5000) Cezanne-H (Zen 3) AMD Ryzen 9 5900HX The Ryzen 7 5800H is built with TSMC's 7 nm process for very decent, as of early 2022, energy efficiency. No matter the exact value, a proper cooling solution is a must. This AMD APU has a default TDP (also knows as the long-term Power Limit) of 45 W that can be changed to anything between 35 W and 54 W by laptop makers, with clock speeds and performance changing accordingly as a result. AVC, HEVC, MPEG-2, VP9-encoded videos can be hardware-decoded with the Vega but there is no AV1 support here such a video will be software-decoded for much lower energy efficiency. The graphics adapter definitely supports 2160p UHD monitors at 60 Hz. As the iGPU has no VRAM of its own, it is paramount that fast system RAM is used. Mass Effect Legendary Edition is playable at 1080p (High), to give you an example. As a result, the Vega will let you play a lot of games released in 20 at reasonable resolutions (up to Full HD 1080p) and Low to Medium presets. However, as is usually the case, synthetic benchmarks do not tell the entire story, as AMD's drivers are superior to those of Intel. On paper, this iGPU is inferior to the 96 EU Intel Iris Xe Graphics G7. Just like the name suggests, Vega 8 features 8 Compute Units (8 x 64 = 512 unified shaders) in the case of Ryzen 7 5800H, the Vega runs at up to 2,000 MHz. In addition to its eight CPU cores, the APU has the Radeon RX Vega 8 graphics adapter. With the long-term Power Limit of 75 W, the Lenovo Legion 5 15ACH is among the fastest 5800H-toting laptops that we have tested it can be 20+ per cent faster in CPU-bound workloads than the slowest 5800H-equipped laptops in our database such as the HP Victus 16 or the Asus ZenBook 14X OLED. Your mileage may vary depending on how high the Power Limits are and how competent the cooling solution of the laptop is. Needless to say, a system built around this CPU will have little difficulty chewing through pretty much any workload imaginable for years to come. As far as multi-thread performance is concerned, the average 5800H in our database trades blows with the Intel Core i5-12500H, Core i7-11800H, Core i7-12650H, Core i9-11950H and the AMD Ryzen 9 4900H. The Ryzen is a marvel of a processor, with very high scores no matter the benchmark. The CPU gets soldered straight on to the motherboard (FP6 socket interface) and is thus not user-replaceable. Unlike the desktop-grade Ryzen 5000-series processors, Ryzen 5 5800H does not support PCI-Express 4.0, meaning NVMe SSDs will be limited to read/write rates of 3.9 GB/s. Ryzen 5 5800H supports dual-channel DDR4-3200 and quad-channel LPDDR4-4266 RAM. To be specific, AMD promises an increase of up to 19%, with independent reviews pointing to a lower (but sizeable nonetheless) 12% increase. The underlying microarchitecture is what makes the two vastly different as the newer Zen 3 microarchitecture brings a massive IPC improvement over Zen 2. The Ryzen 7 5800H is manufactured on the modern 7 nm TSMC process, just like the outgoing Ryzen 7 4800H was both CPUs have 8 cores and 16 threads, too. The Ryzen features eight SMT-enabled Zen 3 cores running at 3.2 GHz (base clock speed) to 4.4 GHz (highest Boost frequency possible) along with the Vega 8 iGPU. It was released in Q1 2021 it is designed for use in larger laptops, primarily gaming laptops and DTRs. The AMD Ryzen 7 5800H is a high-performance octa-core processor of the Cezanne product family.
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