Over 1,000,000 CPUs benchmarked
The Intel Core Ultra 7 255H is newer than Intel Core Ultra 9 285H and is around -11% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, Intel Core Ultra 9 285H uses around 47% more power. All the CPUs in this comparison belong in the Mobile/Embedded CPU Class. The values below were tabulated from a combined 2607 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
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| Compare List | |
| ×Intel Core Ultra 7 255H | ×Intel Core Ultra 9 285H | + ADD | |
|---|---|---|---|
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| Socket Type | FCBGA2049 | FCBGA2049 | |
| CPU Class | Mobile/Embedded | Mobile/Embedded | |
| Clockspeed | 2.0 GHz | 2.9 GHz | |
| Turbo Speed | Up to 5.1 GHz | Up to 5.4 GHz | |
| # of Physical Cores | 16 (Threads: 16) | 16 (Threads: 16) | |
| Cache | L1: 1,632KB, L2: 20.0MB, L3: 24MB | L1: 1,632KB, L2: 20.0MB, L3: 24MB | |
| TDP | 28W | 45W | |
| Yearly Running Cost | $5.11 | $8.21 | |
| Other | Intel Arc 140T GPU, Intel AI Boost | Intel Arc 140T GPU | |
| First Seen on Chart | Q1 2025 | Q1 2025 | |
| # of Samples | 1232 | 1375 | |
| CPU Rank | 503 | 420 | |
| CPU Value | 0.0 | 52.9 | |
| Single Thread Rating(% diff. to max in group) | 4330(-2.9%) | 4458(0.0%) | |
| CPU Mark(% diff. to max in group) | 30697(-10.9%) | 34456(0.0%) |
| Intel Core Ultra 7 255H | 30,697 | |
| Intel Core Ultra 9 285H | 34,456 | |
| PassMark Software © 2008-2026 |
| Intel Core Ultra 7 255H | NA | |
| Intel Core Ultra 9 285H | 52.9 | |
| PassMark Software © 2008-2026 |
| Intel Core Ultra 7 255H | 4,330 | |
| Intel Core Ultra 9 285H | 4,458 | |
| PassMark Software © 2008-2026 |
| Intel Core Ultra 7 255H | Intel Core Ultra 9 285H | |
|---|---|---|
| Max TDP | 28W | 45W |
| Power consumption per day (kWh) | NA | NA |
| Running cost per day | NA | NA |
| Power consumption per year (kWh) | NA | NA |
| Running cost per year | NA | NA |