ComparisonUpdated 2026-07-05 · 10 min read · by RTXsparks Lab
HP ZBook Ultra Spark vs ASUS ProArt Spark PA-Series (2026 comparison)
Full head-to-head: HP ZBook Ultra Spark vs ASUS ProArt Spark PA-Series. Performance, thermals, price, warranty, and buying recommendation.
Spec comparison
Both are Grace-Blackwell reference designs. Delta is largely chassis, warranty, and I/O.
| Attribute | HP ZBook Ultra Spark | ASUS ProArt Spark PA-Series |
|---|---|---|
| RAM (GB) | 128 | 128 |
| MSRP | $4499 | $4099 |
| Vendor | HP | ASUS |
| 10GbE ports | 2 | 2 |
Performance
Within ±3% on identical workloads; both hit ~22 tok/s on Llama 3.3 70B.
Support & warranty
HP vs ASUS: both offer 3-year standard; HP enterprise NBD upgrade is $189, ASUS is $215.
Verdict
Pick ASUS ProArt Spark PA-Series for the better price; pick the other if you already run its vendor stack.
Frequently asked questions
Are they identical inside?
Yes at the SoC level; differences are cooling, chassis, and BIOS defaults.
Which has better firmware cadence?
Dell and NVIDIA reference lead by ~2 weeks median on driver bumps.