Intel Core Ultra 9 285HX vs AMD Ryzen 9 9955HX3D
Full Performance, Benchmark & Specification Comparison
| Category | Intel Core Ultra 9 285HX | AMD Ryzen 9 9955HX3D |
|---|---|---|
| Single-Core Performance | 85 | 87 |
| Multi-Core Performance | 87 | 87 |
| Power Efficiency | 73 | 77 |
| Integrated Graphics | 51 | 26 |
| NanoReview Final Score | 82 | 83 |
Intel Core Ultra 9 285HX
AMD Ryzen 9 9955HX3D
2240 Multi-Core
2160 Multi-Core
| Test | Intel Core Ultra 9 285HX | AMD Ryzen 9 9955HX3D |
|---|---|---|
| Single-Core | 3088 | 3181 |
| Multi-Core | 21043 | 20117 |
| File Compression | 1540 MB/sec | 1620 MB/sec |
| Clang Compilation | 227 Klines/sec | 231.2 Klines/sec |
| HTML 5 Browser | 483.8 pages/sec | 343 pages/sec |
| PDF Renderer | 592.1 Mpixels/sec | 561.9 Mpixels/sec |
| Photo Processing | 161.3 images/sec | 121.8 images/sec |
| Ray Tracing | 50.5 Mpixels/sec | 56.2 Mpixels/sec |
| Benchmark | Intel Core Ultra 9 285HX | AMD Ryzen 9 9955HX3D |
|---|---|---|
| Single-Core | 4609 | 4504 |
| Multi-Core | 56553 | 62468 |
| Integer Math | 154.3 GOps/sec | 222 GOps/sec |
| Floating Point Math | 193.9 GOps/sec | 143.8 GOps/sec |
| Data Compression | 628.2 MBytes/sec | 783.3 MBytes/sec |
| Physics | 3444 Frames/sec | 4676 Frames/sec |
| Benchmark / Watt | Intel | AMD |
|---|---|---|
| Cinebench 2024 / Watt | 40.7 PPW | 28.8 PPW |
| Geekbench 6 Multi / Watt | 382.6 PPW | 268.2 PPW |
| PassMark CPU Mark / Watt | 1028.2 PPW | 832.9 PPW |
| Blender / Watt | 9.47 PPW | 7.55 PPW |
| Specification | Intel Core Ultra 9 285HX | AMD Ryzen 9 9955HX3D |
|---|---|---|
| Architecture | Arrow Lake | Zen 5 (Fire Range) |
| Process | 3 nm | 4 nm |
| Total Cores | 24 | 16 |
| Total Threads | 24 | 32 |
| P-Cores | 8 | 16 |
| P-Threads | 8 | 32 |
| Intel P-Core Base | 2.8 GHz | — |
| Maximum Boost | 5.5 GHz | 5.4 GHz |
| L1 Cache | 192K per core | 80K per core |
| L2 Cache | 2 MB per core | 1 MB per core |
| L3 Cache | 36 MB | 128 MB |
| Unlocked Multiplier | Yes | Yes |
| Specification | Intel Core Ultra 9 285HX | AMD Ryzen 9 9955HX3D |
|---|---|---|
| Type | Laptop | Laptop |
| Base TDP / PL1 | 45–55 W configurable | 55–75 W configurable |
| Maximum Boost TDP | 160 W | 101 W |
| Socket | FCBGA-2114 | FL1 |
| Peak Temperature | 105°C | 100°C |
| Released | January 6, 2025 | January 7, 2025 |
| iGPU Specification | Intel Arc Graphics (4-Cores) | AMD Radeon 610M |
|---|---|---|
| GPU Base Clock | 300 MHz | 400 MHz |
| GPU Boost Clock | 2000 MHz | 2200 MHz |
| Shading Units | 512 | 128 |
| TMUs | 32 | 8 |
| ROPs | 16 | 4 |
| Execution Units | 64 | 2 |
| TGP | 14 W | 15 W |
| iGPU FLOPS | 2 TFLOPS | 0.6 TFLOPS |
| Memory Specification | Intel Core Ultra 9 285HX | AMD Ryzen 9 9955HX3D |
|---|---|---|
| Memory Type | DDR5-6400 | DDR5-5600 |
| Maximum Memory | 256 GB | 96 GB |
| Memory Channels | 2 | 2 |
| Maximum Bandwidth | 102.4 GB/s | — |
| ECC Support | Yes | Yes |
Intel Core Ultra 9 285HX vs Ryzen 9 9955HX3D — Which Is Better?
The benchmark results show a very close battle between these two high-end laptop processors. The Ryzen 9 9955HX3D has a slight advantage in single-core performance, power-efficiency scoring and overall NanoReview score, while the Core Ultra 9 285HX demonstrates strong multi-core performance and a significantly more capable integrated GPU.
The Intel processor also offers higher maximum boost frequency and support for larger maximum memory capacity. Meanwhile, AMD's 128 MB L3 cache and 32-thread configuration make the Ryzen 9 9955HX3D particularly interesting for heavily threaded workloads.
Overall: Ryzen 9 9955HX3D leads slightly in the final score, while Intel Core Ultra 9 285HX offers excellent all-around performance, strong iGPU capabilities and impressive performance-per-watt results in the supplied benchmarks.

