HP P36921-B21
HP
30 Overall Score
vs
Intel Core Ultra 9 285K 24-core LGA 1851
Intel
99 Overall Score
What Buyers Say
HP P36921-B21
No customer feedback yet
Intel Core Ultra 9 285K 24-core LGA 1851
88 out of 100 high confidence 32 reviews
The Intel Core Ultra 9 285K is overwhelmingly praised for its raw performance, especially in 4K gaming and heavy multitasking, with users noting significant upgrades from older CPUs. It runs cool with proper cooling solutions, and its efficiency and support for DDR5 and PCIe 5.0 are highlighted as major advantages. Some mention that it may not beat AMD in 1080p/1440p gaming, but it excels at 4K and productivity. A few note the lack of a cooler and tray packaging as minor drawbacks, but overall sentiment is very positive.
Pros
- Excellent 4K gaming performance
- Strong multitasking and productivity
- Runs cool with proper cooling
- Supports DDR5 and PCIe 5.0
- Power efficient (125W TDP)
Cons
- No cooler included
- Tray packaging (no retail box)
- May lag AMD in 1080p/1440p gaming
- Requires BIOS adjustments for best performance
- Premium price
Gaming performance 8
Multitasking productivity 6
Thermal management 5
Power efficiency 4
Memory support 4
Value for money 3
Scores
Ai Llm
Productivity
Gaming
Budget
Efficiency
Server
Specifications
| HP P36921-B21 | Intel Core Ultra 9 285K | |
|---|---|---|
| Processor | ||
| Brand | Intel | Intel |
| Series | Xeon Silver | Core Ultra 9 |
| Model | 4310 | 285K |
| Codename | — | Arrow Lake-S |
| Class | server | desktop |
| Process | 10 | 3★ |
| Cores & Clocks | ||
| Cores | 12 | 24★ |
| P-cores | — | 8★ |
| E-cores | — | 16★ |
| Threads | 24 | 24 |
| Base Clock | ||
| Boost Clock | ||
| Cache | ||
| L2 Cache | 4 | 40★ |
| L3 Cache | 18 | 36★ |
| Performance | ||
| PassMark Multi | ||
| PassMark Single | ||
| Memory | ||
| Memory Type | DDR4 | DDR5★ |
| Max Speed | No data | |
| Channels | — | 2★ |
| Max Memory | ||
| ECC | — | ✓★ |
| Platform & Power | ||
| Socket | LGA4189 | LGA 1851 |
| PCIe | 4.0 | 5.0 |
| PCIe Lanes | 48★ | 24 |
| TDP | 120★ | 125 |
| Max Turbo Power | 120★ | 250 |
| Unlocked | ✗ | ✓★ |
| Graphics & AI | ||
| Integrated Graphics | — | Intel Graphics |
| NPU TOPS | — | 13★ |
Pros & Cons
HP P36921-B21
- Below average single thread (7th percentile)7th %ile
- Below average affordability (9th percentile)9th %ile
- Below average feature (21st percentile)
Intel Core Ultra 9 285K 24-core LGA 1851
- Strong feature (100th percentile)100th %ile
- Strong single thread (100th percentile)100th %ile
- Strong efficiency (97th percentile)97th %ile
- Strong multi thread (96th percentile)96th %ile
- Below average affordability (18th percentile)18th %ile
Pricing
HP P36921-B210.001score per dollar
vs
Intel Core Ultra 9 285K 24-core LGA 18510.007score per dollar
Intel Core Ultra 9 285K 24-core LGA 1851 offers 7.0x better value for money
Verdict
Winner: Intel Core Ultra 9 285K
Scores 99 overall, wins 6 of 6 usage categories and 16 of 29 specs.
