Between the X870E Taichi and Prime Z890-P, the X870E Taichi comes out ahead in max memory / m.2 slots, while the Prime Z890-P wins on several specs. Overall, the X870E Taichi scores 74.6 and the Prime Z890-P scores 65 on our Mars Score.
Which should you buy?
The X870E Taichi is the clear pick on raw spec strength, leading by 9.6 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the X870E Taichi if you care most about max memory / m.2 slots. The biggest gaps in its favor are max memory, m.2 slots, wi-fi 7.
The Prime Z890-P similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable ram slots, pcie slots, so those specs do not separate the two — focus on the differences below.
Bottom line: the X870E Taichi is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why ASRock - X870E Taichi wins
- ▲Max memory — 33.33% more. 256 GB vs 192 GB.
- ▲M.2 slots — 1.00 more. 5 vs 4.
- ▲Has Wi-Fi 7.
Why ASUS - Prime Z890-P wins
- No decisive advantages.
Spec comparison
Platform
| Spec | ASRock - X870E Taichi | ASUS - Prime Z890-P |
|---|---|---|
| Socketⓘ | AM5 | LGA1851 |
| Chipset | X870E | Z890 |
| Form factor | ATX | ATX |
Expansion
| Spec | ASRock - X870E Taichi | ASUS - Prime Z890-P |
|---|---|---|
| RAM slots | 4 | 4 |
| Max memory | 256 GBlead | 192 GB |
| PCIe slots | 3 | 3 |
| M.2 slotsⓘ | 5lead | 4 |
I/O
| Spec | ASRock - X870E Taichi | ASUS - Prime Z890-P |
|---|---|---|
| USB ports | 13lead | 10 |
| 2.5GbE LAN | true | true |
| Wi-Fi 7ⓘ | truelead | false |
Spec-level deep dives
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