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AMD Introduces the Ryzen Mobile 7040U Series: Phoenix Soaring into Ultrathin Notebooks

At the CES 2023 event, AMD introduced the latest series of their Ryzen Mobile processors, the Ryzen Mobile 7040HS series, which is built with advanced Zen 4 architecture technology. The processors are based on AMD's Phoenix silicon and manufactured using TSMC's latest 4 nm process node. It combines the Zen 4 CPU core and AMD's RDNA 3 graphics computing unit in one highly efficient monolithic die. This Phoenix silicon is a significant breakthrough for AMD, offering better performance and integration.

AMD is now extending the reach of Phoenix silicon with the introduction of the Ryzen Mobile 7040U series designed specifically for ultraportable notebooks. By bringing their next-generation technology to the light and thin laptop market, AMD is adopting a strategic approach by gradually rolling out new silicon in devices with lower power requirements. This ensures that as chip production ramps up and OEMs finalize designs, new AMD processors can be used in a wider range of devices.

The Ryzen Mobile 7040U series is highly anticipated, and AMD hinted at the development of the traditional U series during the CES event. However, specific details regarding its release date are still unknown at this time. It should be noted that the availability of laptops using the 7040U series may not be immediately available in retail stores, as laptops with the 7040HS series are still not widely available for purchase. Nonetheless, AMD's announcement of the 7040U series shows their commitment to delivering powerful and efficient processors to the market.

AMD Ryzen 7040U Series: Up to 8-Cores With RDNA 3 Graphics

Ryzen Mobile 7040U Series: Up to 8-Core with RDNA 3 Graphics The AMD Ryzen Mobile 7040 series is a powerful and efficient mobile processor. It covers a wide range of mobile product categories that meet the needs of different users. From entry-level everyday computing to extreme gaming laptops and creator laptops, AMD offers a wide range of options. One of the most important series in this family is the AMD Ryzen Mobile 7040U series, which has four SKUs with different core configurations, all equipped with integrated RDNA 3 graphics from AMD. The series introduces AMD's innovative Ryzen AI technology, which is powered by Xilinx's FPGA-based AI engine, making it the first series to accelerate AI workloads.


AMD has updated the naming scheme of their mobile products to simplify and improve user understanding. For example, in the Ryzen Mobile 7040U series, the first number indicates the model year (7 for 2023), the second number indicates the market segment (7 for Ryzen 7, 5 for Ryzen 5/6, and 3 for Ryzen 3/4). The third number (4) signifies the CPU architecture, with the 7040U series using the latest Zen 4 core.

The last character, or suffix, has significance as it indicates the market segment, TDP (thermal design power), and form factor. The suffix "U" indicates a TDP range of 15-30 W. It is worth noting that the TDP window for the 7040U series is slightly increased compared to the previous generation, where the U series had a TDP range of 15-28 W. However, laptop manufacturers have the flexibility to set their own TDP, so the officially specified TDP is more of a flexible guide in the current market.


The Ryzen 7040U series consists of four SKUs specifically designed for thin and light AMD-based notebooks. These four APUs are based on the "Phoenix" architecture and have integrated graphics from AMD's Radeon 700M RDNA 3 series. The flagship model is the Ryzen 7 7840U, which offers an impressive 8-core and 16-thread configuration with a base frequency of 3.3 GHz and a turbo frequency of up to 5.1 GHz. The processor comes with a combined cache of 24 MB, with 16 MB of L3 cache for the entire chip and 1 MB of L2 cache per core.

The Ryzen 5 lineup consists of the Ryzen 5 7640U and Ryzen 5 7540U, both with 6 CPU cores. The Ryzen 5 7640U has a higher CPU base frequency of 3.5 GHz, compared to the Ryzen 5 7540U which has a base frequency of 3.2 GHz. Both APUs have a turbo frequency of up to 4.9 GHz. Notably, AMD has equipped the Ryzen AI co-processor on the high-end Ryzen 5 7640U, but not on the low-end Ryzen 5 7540U. Both models are equipped with 16 MB of L3 cache and 6 MB of L2 cache.


As a Zen 4 APU, the Ryzen 5 mobile processor uses AMD Radeon 700M graphics. The Ryzen 5 7640U is equipped with a Radeon 760M that has 8 compute units (CU) and a maximum frequency of 2.6 GHz. On the other hand, the Ryzen 5 7540U is equipped with a Radeon 740M that offers 4 CUs. Both GPUs have 16 render output units (ROP) and 2 render backend blocks (RB+).

At the entry level of the Zen 4 7040U series, we have the Ryzen 3 7440U, a quad-core APU with 4 cores and 8 threads. This processor operates at a base frequency of 3.0 GHz.


With the Ryzen Mobile 7040U series, AMD delivers a series of powerful and efficient processors for ultraportable laptops. With advanced Zen 4 architecture and RDNA 3 graphics integration

 AMD Ryzen 7040U With Ryzen AI: One Xilinx XDNA Block Included

AMD's acquisition of Xilinx in February last year has allowed them to maximize Xilinx's expertise and architecture in their latest product, Zen 4. One integration that stands out is the introduction of Ryzen AI, which uses Xilinx's XDNA architecture. In the Ryzen 7040U series, two SKUs, namely the Ryzen 7 7840U and Ryzen 5 7640U, incorporate Ryzen AI blocks integrated in silicon. The purpose of this addition is to improve the AI inference capabilities of AMD's Phoenix processors, thus providing silicon that is more efficient in specialized tasks compared to traditional CPU or GPU performance.

One interesting aspect of AMD Ryzen AI is its direct support of Microsoft's Studio Effects package in Windows 11. AMD states that this feature can only be enabled by specialized machines like AMD Ryzen AI. While the presence of Ryzen AI in AI workloads is noteworthy, AMD has not released specific performance figures to back up this announcement.



We need to approach these internal performance numbers with caution, as they often optimize benchmarks to produce favorable numbers. Nevertheless, AMD has shared some computing and gaming performance comparisons for the Ryzen 7 7840U. In terms of computing performance, AMD claims up to 175% improved Passmark 10 performance compared to Apple's M2 chip and up to 228% better Media Encode performance compared to the Intel Core i7-1360P. These figures should be considered as best-case scenarios. In gaming performance, when the Ryzen 7 7840U was tested against the Radeon 780M integrated graphics with Intel Core i7-1360P with Iris Xe graphics, the Radeon 780M outperformed Intel by a range of 130% to 239% in some specific games. It is worth noting that AMD tends to invest more resources on GPU silicon for their high-end mobile processors.

Regarding battery life, AMD emphasized its commitment to efficiency by implementing Smart Power Management. However, specific details regarding battery life have not been disclosed. As more AMD partners and notebook vendors integrate the Ryzen 7040U APU with Zen 4 into their solutions, we can expect to see how much more efficient the AMD Ryzen Mobile 7040U 15-30 W chip is compared to the previous generation.

By leveraging Xilinx's expertise and combining it with Ryzen AI, AMD's Zen 4 processors aim to deliver powerful AI capabilities and better performance in a wide range of applications, including AI workloads and gaming experiences.

Ryzen 7040U Launch: No Date Yet, But Expected Soon

AMD's much-anticipated Ryzen 7040 mobile series has attracted a lot of attention, especially regarding its launch date. Early indications from AMD suggested that wider availability of the 7040 chip would begin in March. However, in the latest update, AMD informed that the launch of the Ryzen Mobile 7040HS series has been postponed to April so we must remain patient, friends.

As for the AMD Ryzen Mobile 7040U series, no release date or availability information has been announced by AMD at this time so we increasingly have to remain patient. With AMD's latest announcement coming just a few weeks before Computex, we expect more details regarding specific laptop development and release dates to be announced during the event.


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