Intel Core Ultra 9 285H vs Ultra 9 275HX
69
out of 100
VS
78
out of 100
We compared two laptop CPUs: the 2.9 GHz Intel Core Ultra 9 285H with 16-cores against the 2.7 GHz Ultra 9 275HX with 24-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.
Review
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
Key Differences
Advantages of Intel Core Ultra 9 285H
- More powerful Arc Graphics 140T integrated graphics: 4.8 vs 1.9 TFLOPS
Advantages of Intel Core Ultra 9 275HX
- Unlocked multiplier
- Supports up to 256 GB DDR5-6400 RAM
- Has 8 more physical cores
- Has 12 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Single) | 506 | 500 |
| Cinebench 2026 (Multi) | 4879 | 7832 |
Cinebench Scores (123rd and 30th place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1510 MB/sec | 1480 MB/sec |
| Clang compilation | 129.7 Klines/sec | 216.2 Klines/sec |
| HTML 5 Browser | 425.7 pages/sec | 435.5 pages/sec |
| PDF Renderer | 522.7 Mpixels/sec | 545.5 Mpixels/sec |
| Text processing | 309.2 pages/sec | 344.8 pages/sec |
| Background blur | 73.9 images/sec | 78.6 images/sec |
| Photo processing | 159.5 images/sec | 156.4 images/sec |
| Ray tracing | 26.8 Mpixels/sec | 46.2 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 86 GOps/sec | 155.2 GOps/sec |
| Floating point math | 109.3 GOps/sec | 191.1 GOps/sec |
| Find prime numbers | 330M Primes/sec | 448M Primes/sec |
| Random string sorting | 41M Strings/sec | 74.3M Strings/sec |
| Data encryption | 26.2 GBytes/sec | 47.1 GBytes/sec |
| Data compression | 336.1 MBytes/sec | 608.4 MBytes/sec |
| Physics | 2512 Frames/sec | 3335 Frames/sec |
| Extended instructions | 26.8B Matrices/sec | 47B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 24.9 PPW | 35.3 PPW |
| Geekbench 6 Multi / Watt | 381.6 PPW | 371.8 PPW |
| Passmark CPU Mark / Watt | 759.8 PPW | 1013.7 PPW |
| Blender / Watt | 4.56 PPW | 6.54 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core Ultra 9 285H
| Date | Benchmark | Result |
|---|---|---|
| π 2026-01-16 (AsNapur) | Geekbench 6 CPU | 2756 / 16837 |
| π 2026-01-16 (AsNapur) | Cinebench 2024 | 122 / 1126 |
| π 2025-10-31 (Adi) | Cinebench 2024 | 114 / 804 |
| π 2025-09-19 (JacoIsHere) | Geekbench 6 CPU | 2868 / 14847 |
| π 2025-08-07 (Himmanshu Chowdhury) | Cinebench 2024 | 117 / 1122 |
Intel Core Ultra 9 275HX
| Date | Benchmark | Result |
|---|---|---|
| π 2026-07-04 (dante) | Cinebench 2024 | 133 / 2062 |
| π 2026-07-04 (dante) | Cinebench 2026 | 0 / 0 |
| π 2026-05-04 (Sujan) | Cinebench 2024 | 139 / 2318 |
| π 2026-05-03 (ToadyBoi) | Cinebench 2024 | 139 / 2290 |
| π 2026-04-10 (itsved4nt) | Cinebench 2026 | 500 / 7832 |
Specifications
Full technical specification of Intel Core Ultra 9 285H and Ultra 9 275HXGeneral
| Vendor | Intel | Intel |
| Released | January 6, 2025 | January 6, 2025 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Arrow Lake | Arrow Lake |
| Model number | 285H | 275HX |
| Integrated GPU | Arc Graphics 140T | Arc Graphics (4-Cores) |
| Rival Equivalent | - AMD Ryzen AI 9 365 | - AMD Ryzen 9 9850HX |
Intel CPU rating (46th and 18th place)
CPU
| P-Cores | 6 | 8 |
| P-Threads | 6 | 8 |
| Base Frequency (P) | 2.9 GHz | 2.7 GHz |
| Turbo Boost Frequency (P) | 5.4 GHz | 5.4 GHz |
| E-Cores | 10 | 16 |
| E-Threads | 10 | 16 |
| Base Frequency (E) | 2.7 GHz | 2.1 GHz |
| Turbo Boost Frequency (E) | 4.5 GHz | 4.6 GHz |
| Total Cores | 16 | 24 |
| Total Threads | 16 | 24 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 29x | 27x |
| L1 Cache | 112K (per core) | 192K (per core) |
| L2 Cache | 2MB (per core) | 3MB (per core) |
| L3 Cache | 24MB (shared) | 36MB (shared) |
| Unlocked Multiplier | No | Yes |
Package
| Fabrication Process | 3 nm | 3 nm |
| TDP (PL1) | 35-45 W (configurable) | 45-55 W (configurable) |
| Max. Boost TDP (PL2) | 115 W | 160 W |
| Socket | FCBGA-2049 | FCBGA-2114 |
| Peak Temperature | 110Β°C | 105Β°C |
Laptop processors ranking (58th and 25th place)
iGPU
| Integrated Graphics | Arc Graphics 140T | Arc Graphics (4-Cores) |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 2350 MHz | 1900 MHz |
| Shading Units | 1024 | 512 |
| TMUs | 64 | 32 |
| ROPs | 32 | 16 |
| Execution Units | 8 | 64 |
| TGP | 35 W | 14 W |
iGPU FLOPS
More info: Arc iGPU (4-Cores) compared to Arc 140T
Memory Support
| Memory Types | - LPDDR5-8400 - LPDDR5x-8400 - DDR5-6400 |
- DDR5-6400 |
| Max. Memory Size | 128 GB | 256 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | - | 102.4 GB/s |
| ECC Support | No | No |
Misc
| Official Site | Intel Core Ultra 9 285H official page | Intel Core Ultra 9 275HX official page |
| PCI Express Version | 5.0 | 5.0 |
| PCI Express Lanes | 28 | 24 |
Cast your vote
Total votes: 187