Intel Mobile CPU v21.1.0-H
Intel Core Ultra 7 Processor 255H
patch
0
Core Ultra 7 255H
Benchmarks
Total score 6,179 / 10,000, rank 63 of 2125.
Every score is out of 10,000, relative to the best CPUs. The total also counts the recommended price ($514, Wikipedia: Arrow Lake (microprocessor) (launch price)); see how scores work.
| Category | Score | Measured | |
|---|---|---|---|
| Single-thread | 8,204 | 4,309 points | |
| Multi-thread | 1,891 | 30,761 points | |
| 3D rendering | 1,225 | monster 102.3, junkshop 68.7, classroom 48.8 samples/min over 65 runs | |
| Gamingestimated | 8,729 |
Sources: PassMark (Intel Core Ultra 7 255H, 2317 samples), Blender Open Data
Metadata
| Property | Value |
|---|---|
| Brand | Core Ultra |
| Intel name | Intel Core Ultra 7 Processor 255H |
| Processor number | 255H |
| Codename | Arrow Lake |
| Generation | Core Ultra Series 2 |
| Microarchitecture | Lunar Lake / Arrow Lake (Lion Cove + Skymont) |
| Performance class | Core Ultra 7 |
| Segment | Mobile |
| Released | 2025-Q12025 |
| Cores | 16 (6P + 8E + 2LP-E)16 |
| Threads | 16 |
| Max clock | 5.10 GHz |
| Cache | 24 MB |
| TDP | 28 W |
| Max turbo power | 115 W |
| Graphics | Intel Arc 140T (8 Xe-cores) |
| NPU | NPU 3 (13 TOPS) |
| Socket | FCBGA2049BGA2049 |
| Memory | LPDDR5X-8400, DDR5-6400LPDDR5XDDR5 |
| Recommended price | $514 |
| Instruction sets | |
| Features | |
| Source | Curated (recent-cpus.json) |
Uses (dependencies)
- lithography: TSMC Lithography
v3.0.0(TSMC N3B) - lithography: TSMC Lithography
v2.0.0(TSMC N5) - lithography: TSMC Lithography
v1.1.0(TSMC N6) - simd: Intel SIMD
v0.0.1(MMX) - simd: Intel SIMD
v1.4.1(SSE4.2) - simd: Intel SIMD
v2.1.0(AVX2)
Used by (0)
Nothing depends on this version.
Other variants of this version
- Intel Mobile CPU
v21.1.0-HX(Core Ultra 7 255HX)
Known vulnerabilities and defects
- Spectre variant 1 (bounds check bypass) (CVE-2017-5753): Mistrained conditional branches speculatively read out-of-bounds data. Mitigated in software only; every speculative out-of-order core is affected.
Matched by codename; individual steppings may differ.
Changelog
Since the previous minor (lower performance class): Intel Mobile CPU v21.0.0-H (Core Ultra 5 225H)
Performance
- ~Total score 6054 → 6179 (+2%)
- ~Single-thread 8063 → 8204 (+2%)
- ~Multi-thread 1708 → 1891 (+11%)
- ~3D rendering 1169 → 1225 (+5%)
- ~Gaming 8626 → 8729 (+1%)
Specifications
- ~Cores: 14 (4P + 8E + 2LP-E) → 16 (6P + 8E + 2LP-E)
- ~Threads: 14 → 16
- ~Max clock: 4.90 GHz → 5.10 GHz
- ~Cache: 18 MB → 24 MB
- ~Graphics: Intel Arc 130T (7 Xe-cores) → Intel Arc 140T (8 Xe-cores)
- ~Recommended price: $385 → $514
Since the previous major (previous generation): Intel Mobile CPU v20.1.0-H (Core Ultra 7 155H)
Performance
- ~Total score 4893 → 6179 (+26%)
- ~Single-thread 6226 → 8204 (+32%)
- ~Multi-thread 1477 → 1891 (+28%)
- ~3D rendering 902 → 1225 (+36%)
- ~Gaming 7211 → 8729 (+21%)
Specifications
- ~Codename: Meteor Lake → Arrow Lake
- ~Microarchitecture: Meteor Lake (Redwood Cove + Crestmont) → Lunar Lake / Arrow Lake (Lion Cove + Skymont)
- ~Threads: 22 → 16
- ~Max clock: 4.80 GHz → 5.10 GHz
- ~Graphics: Intel Arc (8 Xe-cores) → Intel Arc 140T (8 Xe-cores)
- ~NPU: NPU 3 (11 TOPS) → NPU 3 (13 TOPS)
- ~Recommended price: $503 → $514