Alleged clock frequencies of AMD's Hybrid Phoenix APU have been charted out which show vastly different speeds for performance & efficiency cores.
Hybrid AMD Phoenix APU Engineering Sample Allegedly Features Up To 5 GHz Performance & 4 GHz Efficiency Core Clocks
Just a few hours ago, we reported how AMD has officially listed the hybrid core design of its brand new Phoenix 2 APUs as similar to Intel's hybrid naming scheme. While we know that the Phoenix 2 APU lineup will come with a hybrid design that will make use of the Zen 4 core architecture, some new (and alleged) data has been shared by Twitter user, @xinoassassin1, which is said to be a clock frequency chart for a hybrid Phoenix ES APU.
There is no information available on what the SKU is but it is stated that this specific chip features a single CCX with a 6-core layout in a 2+4 configuration. There are 2 performance cores & 4 efficiency cores which are based on the Zen 4 core architecture.
The difference between AMD's and Intel's approach is that while Intel uses two very different architectures (Golden/Raptor Cove +Gracemont) the AMD Performance & Efficiency cores will utilize the same Zen 4 core architecture. The P-cores will be the standard designs you get on existing Ryzen 7000 chips but the tuned Zen 4 core will be getting reduced cache and clocks while focusing on pure performance efficiency.
The clock frequency was plotted while the hybrid AMD Phoenix ES APU was running a Cinebench R23 multi-bench test. Given the plot chart, we can see a huge disparity in the clock speeds of the different cores. The Core 0 and Core 5 are the P-Cores and these can be seen running anywhere between 4.0 - 5.0 GHz. The P-Cores do average out around 4.2 - 4.3 GHz. As for the E-Cores, these clocks are much lower around 2.5 - 4.0 GHz. The cores mostly average slightly below 3.0 GHz & a short burst can be seen pushing them up to 4.0 GHz.
As for power draw, the AMD Phoenix APU with hybrid core consumed around 15-20W power. The Performance Zen 4 cores were sipping between 7-8W of power while the Efficiency cores sipped 5 Watts of power. When it comes to single-core performance, it is stated that the CPU automatically uses the Performance cores so the results won't differ much from the standard Phoenix chips. It's wise to point out that these results are based on an Engineering Sample so final clocks & power can improve dramatically in the final silicon.
AMD Van Gogh SOC Successor Specs 'Preliminary':
| SOC Name | Van Gogh SOC | Little Phoenix SOC (TBD) |
|---|---|---|
| Process Node | 7nm | 4nm? |
| Die Size | 163mm2 | 110-150mm2 |
| Transistors | TBD | TBD |
| CPU Architecture | Zen 2 | Zen 4 |
| Cores / Threads | 4 / 8 | 6 / 12? |
| CPU Clock (Max) | 3.5 GHz | ~4.0 GHz |
| GPU Architecture | RDNA 2 | RDNA 3 |
| GPU Compute Units | 8 CUs (512 SPs) | 4-8 CUs (!512 SPs) |
| GPU Clocks | 1.6 GHz | 2.0 GHz+ |
| Memory | LPDDR5-5500 | LPDDR5-6400 LPDDR5X-8533 |
| TDP | 4-15W | 4-15W? |
| Products | Steam Deck | Steam Deck 2? |
| Launch | 2022 | 2023-2024 |
The post Alleged AMD Phoenix Hybrid APU ES Frequencies Charted Out: Up To 5 GHz For Performance & 4 GHz For Efficiency Cores by Hassan Mujtaba appeared first on Wccftech.
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