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AOOSTAR AG03 vs Razer Core X: Comparison
AOOSTAR AG03 and Razer Core X separate most on psu wattage: AOOSTAR AG03 at 800, Razer Core X at 650, 19% in favour of AOOSTAR AG03.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Connection Standard | Thunderbolt 5 + OCuLink | Thunderbolt 3 |
| Brand | AOOSTAR | Razer |
| PSU Wattage | 800 | 650-19% |
| Model | AG03 | Core X |
| GPU Compatibility | RTX 4060 up to RTX 4090 | Most desktop cards up to ~330mm length; no factory-installed GPU |
| Price | Under $500 | Launched at $299.99 (2019) |
Verdict
AOOSTAR AG03
10 / 10 Expert Rating
Best overall — dual Thunderbolt 5/OCuLink connectivity and an 800W PSU handling up to an RTX 4090, all for under $500.
Razer Core X
7.5 / 10 Expert Rating
A no-frills, high-value Thunderbolt 3 enclosure that remains one of the best-regarded budget eGPU boxes even years after launch.




