Intel Core Ultra 9 285HX vs i9 14900HX
We compared two 24-core laptop CPUs: the 2.8 GHz Intel Core Ultra 9 285HX against the 2.2 GHz i9 14900HX. 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 285HX
- More modern manufacturing process β 3 versus 10 nanometers
- More powerful Arc Graphics (4-Cores) integrated graphics: 2 vs 0.8 TFLOPS
- Newer - released 1 year later
- Supports up to 256 GB DDR5-6400 RAM
- Around 12.8 GB/s (14%) higher theoretical memory bandwidth
Advantages of Intel Core i9 14900HX
- 5% higher Turbo Boost frequency (5.8 GHz vs 5.5 GHz)
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (11th and 44th place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1540 MB/sec | 1420 MB/sec |
| Clang compilation | 227 Klines/sec | 173.5 Klines/sec |
| HTML 5 Browser | 483.8 pages/sec | 463.6 pages/sec |
| PDF Renderer | 592.1 Mpixels/sec | 508.4 Mpixels/sec |
| Text processing | 350.1 pages/sec | 287.7 pages/sec |
| Background blur | 90.1 images/sec | 54.6 images/sec |
| Photo processing | 161.3 images/sec | 154.7 images/sec |
| Ray tracing | 50.5 Mpixels/sec | 39.9 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 154.3 GOps/sec | 157.2 GOps/sec |
| Floating point math | 193.9 GOps/sec | 112.1 GOps/sec |
| Find prime numbers | 457M Primes/sec | 193M Primes/sec |
| Random string sorting | 76.7M Strings/sec | 60.8M Strings/sec |
| Data encryption | 48.3 GBytes/sec | 32.6 GBytes/sec |
| Data compression | 628.2 MBytes/sec | 539.1 MBytes/sec |
| Physics | 3444 Frames/sec | 2631 Frames/sec |
| Extended instructions | 48.8B Matrices/sec | 31.2B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 40.7 PPW | 32.4 PPW |
| Geekbench 6 Multi / Watt | 382.6 PPW | 335.1 PPW |
| Passmark CPU Mark / Watt | 1028.2 PPW | 794.6 PPW |
| Blender / Watt | 9.47 PPW | 6.44 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core Ultra 9 285HX
| Date | Benchmark | Result |
|---|---|---|
| π 2025-04-19 (bikerboy80) | Cinebench 2024 | 126 / 2240 |
| π 2025-04-19 (bikerboy85) | Cinebench 2024 | 126 / 2240 |
Intel Core i9 14900HX
| Date | Benchmark | Result |
|---|---|---|
| π 2025-09-22 (GEORGE FORMBY) | Cinebench 2024 | 124 / 1417 |
| π 2025-08-15 (jmtisi) | Cinebench 2024 | 111 / 629 |
| π 2025-06-26 (Ivan) | Cinebench 2024 | 125 / 1571 |
| π 2025-06-14 (JoeG) | Cinebench 2024 | 121 / 1334 |
| π 2025-04-05 (Justin0220) | Cinebench 2024 | 125 / 1064 |
Specifications
Full technical specification of Intel Core Ultra 9 285HX and i9 14900HXGeneral
| Vendor | Intel | Intel |
| Released | January 6, 2025 | January 9, 2024 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Arrow Lake | Raptor Lake Refresh |
| Model number | 285HX | i9-14900HX |
| Integrated GPU | Arc Graphics (4-Cores) | UHD Graphics (32EU) |
| Rival Equivalent | - AMD Ryzen 9 9955HX | - AMD Ryzen 9 8945HS |
| Successor | - | - Intel Core Ultra 9 285HX |
Intel CPU rating (12th and 36th place)
CPU
| P-Cores | 8 | 8 |
| P-Threads | 8 | 16 |
| Base Frequency (P) | 2.8 GHz | 2.2 GHz |
| Turbo Boost Frequency (P) | 5.5 GHz | 5.8 GHz |
| E-Cores | 16 | 16 |
| E-Threads | 16 | 16 |
| Base Frequency (E) | 2.1 GHz | 1.6 GHz |
| Turbo Boost Frequency (E) | 4.6 GHz | 4.1 GHz |
| Total Cores | 24 | 24 |
| Total Threads | 24 | 32 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 28x | 22x |
| L1 Cache | 192K (per core) | 80K (per core) |
| L2 Cache | 2MB (per core) | 2MB (per core) |
| L3 Cache | 36MB (shared) | 36MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Package
| Fabrication Process | 3 nm | 10 nm |
| TDP (PL1) | 45-55 W (configurable) | 45-55 W (configurable) |
| Max. Boost TDP (PL2) | 160 W | 157 W |
| Socket | FCBGA-2114 | BGA-1964 |
| Peak Temperature | 105Β°C | 100Β°C |
Laptop processors ranking (18th and 43rd place)
iGPU
| Integrated Graphics | Arc Graphics (4-Cores) | Intel UHD Graphics (32EU) |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 2000 MHz | 1650 MHz |
| Shading Units | 512 | 256 |
| TMUs | 32 | 16 |
| ROPs | 16 | 8 |
| Execution Units | 64 | 32 |
| TGP | 14 W | 15 W |
iGPU FLOPS
Memory Support
| Memory Types | - DDR5-6400 | - DDR5-5600 - DDR4-3200 |
| Max. Memory Size | 256 GB | 192 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 102.4 GB/s | 89.6 GB/s |
| ECC Support | Yes | Yes |
Misc
| Official Site | Intel Core Ultra 9 285HX official page | Intel Core i9 14900HX official page |
| PCI Express Version | 5.0 | 5.0 |
| PCI Express Lanes | 24 | 20 |
Cast your vote
Total votes: 222