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MagyarAMD Ryzen 3 5400U
The AMD Ryzen 3 5400U is a processor for thin and light laptops based on the Cezanne generation. The R3 5400U integrates four of the eight cores based on the Zen 3 microarchitecture and is the slowest U-series processor of the Cezanne generation at launch. The cores are clocked at 2.6 (guaranteed base clock) to 4 GHz (Turbo) and support SMT / Hyperthreading (8 threads). The chip is manufactured in the modern 7 nm process at TSMC.
The new Zen 3 microarchitecture offers a significantly higher IPC (instructions per clock) compared to Zen 2. For desktop processors AMD claims 19 percent on average and in applications reviews showed around 12% gains at the same clock speed.
Performance
While we have not tested a single system built around the 5400U as of August 2023, we are fairly confident the chip is a little faster than the Ryzen 3 5300U and its four Zen 2 cores running at clock speeds similar to what the 5400U has. Naturally, your mileage may vary depending on how competent the cooling solution of your laptop is and how high the CPU power limits are.
In addition to the four CPU cores, the APU also integrates a Radeon RX Vega 6 integrated graphics card with 6 CUs and up to 1600 MHz. The dual channel memory controller supports DDR4-3200 and energy efficient LPDDR4-4266 RAM. Furthermore, 8 MB level 3 cache (same as the old 4800U) can be found on the chip.
Power consumption
This Ryzen 3 has a default TDP (also known as the long-term power limit) of 15 W. Laptop manufacturers are free to change that value to anything between 10 W and 25 W if so desired, with clock speeds and performance changing correspondingly. Those values aren't low enough to allow for passively cooled designs.
This is a 7 nm chip; it thus has higher-than-average, as of late 2022, energy efficiency.
| Series | AMD Cezanne (Zen 3, Ryzen 5000) | ||||||||||||||||
| Codename | Cezanne-U (Zen 3) | ||||||||||||||||
Series: Cezanne (Zen 3, Ryzen 5000) Cezanne-U (Zen 3)
| |||||||||||||||||
| Clock Rate | 2600 - 4000 MHz | ||||||||||||||||
| Level 1 Cache | 256 KB | ||||||||||||||||
| Level 2 Cache | 2 MB | ||||||||||||||||
| Level 3 Cache | 8 MB | ||||||||||||||||
| Number of Cores / Threads | 4 / 8 | ||||||||||||||||
| Power Consumption (TDP = Thermal Design Power) | 25 Watt | ||||||||||||||||
| Manufacturing Technology | 7 nm | ||||||||||||||||
| Max. Temperature | 105 °C | ||||||||||||||||
| Socket | FP6 | ||||||||||||||||
| Features | 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 | ||||||||||||||||
| GPU | AMD Radeon RX Vega 6 (Ryzen 4000/5000) ( - 1600 MHz) | ||||||||||||||||
| 64 Bit | 64 Bit support | ||||||||||||||||
| Architecture | x86 | ||||||||||||||||
| Announcement Date | 01/07/2021 | ||||||||||||||||
| Product Link (external) | www.amd.com | ||||||||||||||||
- Average benchmark values for this graphics card