If you think AMD is done with its Picasso line of APUs, you’ve got another thing coming. The AMD Ryzen 5 3550U, which is thought to be the 15W version of the Ryzen 5 3550H, has made its first appearance, with two pages on Geekbench.
The Picasso family is comprised of two bloodlines. The U-series chips focus on energy efficiency and, therefore, abides by the 15W TDP (thermal design power). The H-series, which targets the gaming segment, has more breathing room as it’s confined to a 35W envelope. AMD launched the Ryzen 3000-series APUs in January, but it turns out that the chipmaker could be working on more models, with one of them being the Ryzen 5 3550U.
|Cores / Threads
|AMD Ryzen 5 3550H||4 / 8||2.1 GHz||3.7 GHz||4MB||35W||Radeon Vega 8||8||512||1,200 MHz|
|AMD Ryzen 5 3550U*||4 / 8||2.1 GHz||3.69 GHz||4MB||15W||Radeon Vega 9||9||576||1,300 MHz|
*Specifications in the table are unconfirmed
On the computing side, the Ryzen 5 3550U doesn’t raise any alarms. According to Geekbench, it’s still a quad-core chip with eight threads and 4MB of L3 cache. Geekbench 4 detects the Ryzen 5 3550U as having a base clock of 2.1 GHz and a maximum boost clock of 3.69 GHz. The software seems to think that the processor has Radeon Vega 8 graphics. However, the devil is in the detail.
AMD utilizes a pretty straightforward nomenclature for the integrated graphics solutions on its APUs. Vega is obviously the GPU microarchitecture, while the number after it stands for the number of Compute Units (CUs) onboard. So, Vega 3 has three CUs, Vega 6 comes with six CUs, Vega 8 arrives with eight CUs and successively. Geekbench 4 actually lists the Ryzen 5 3550U with nine CUs; therefore, the Ryzen 5 3550U should incorporate Vega 9, not Vega 8. Since each Vega CU houses up to 64 shaders, Vega 9 should have 576 of them at its disposal. According to Geekbench 4, Vega 9 runs at 1,300 MHz.
When comparing the two, Vega 9 seemingly delivers up to 10.85% more performance than Vega 8. The difference in performance is expected, considering that Vega 9 has one extra CU while also running 100 MHz faster than Vega 8. Intel Ice Lake could be the answer. With the arrival of the 10nm chips, AMD might be looking for a way to one-up Intel.
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