AMD Ryzen 9 9955HX vs Intel Core i7-8550U
74.2Single-core37.7
82Multi-core23.8
42.2Efficiencyspec-based66.4
32.6iGPU25.8
84.3Platformspec-based37.2
13 spec wins — AMD Ryzen 9 9955HX1 spec wins — Intel Core i7-8550U
InnoReviews verdict
AMD Ryzen 9 9955HX wins this laptop processor face-off, 69.5 to 35.9, pulling ahead mainly in multi-core (+58) and single-core (+37). Intel Core i7-8550U still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 9955HX
- Stronger single-core score: 74 vs 38
- Stronger multi-core score: 82 vs 24
- Stronger iGPU score: 33 vs 26
- 1187% higher Cinebench R23 (multi): 37,500 vs 2,914
- 871% higher PassMark: 56,261 vs 5,794
Reasons to pick the Intel Core i7-8550U
- 73% lower Base TDP: 15 W vs 55 W
General
| Spec | AMD Ryzen 9 9955HX | Intel Core i7-8550U |
|---|---|---|
| Announced | 2025 | 2017 |
| Process | 4 nm+71% | 14 nm |
| Base TDP | 55 W | 15 W+73% |
| Max TDP | 75 W+200% | 25 W |
Cores & Clocks
| Spec | AMD Ryzen 9 9955HX | Intel Core i7-8550U |
|---|---|---|
| Cores | 16+300% | 4 |
| Performance cores | 16 | — |
| Threads | 32+300% | 8 |
| Base clock | 2.5 GHz+39% | 1.8 GHz |
| Boost clock | 5.4 GHz+35% | 4 GHz |
| L3 cache | 64 MB+700% | 8 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9955HX | Intel Core i7-8550U |
|---|---|---|
| iGPU | AMD Radeon 610M | Intel UHD Graphics 620 |
| iGPU clock | 2,200 MHz | 1,150 MHz |
Memory
| Spec | AMD Ryzen 9 9955HX | Intel Core i7-8550U |
|---|---|---|
| Memory support | DDR5-5600 | DDR4-2400 / LPDDR3-2133 |
| Max memory | 256 GB+700% | 32 GB |
Benchmarks
| Spec | AMD Ryzen 9 9955HX | Intel Core i7-8550U |
|---|---|---|
| Geekbench 6 (single) | 3,080Top 17% | — |
| Geekbench 6 (multi) | 19,500Top 13% | — |
| Cinebench R23 (single) | 2,150+111%Top 12% | 1,021Bottom 10% |
| Cinebench R23 (multi) | 37,500+1187%Top 3% | 2,914Bottom 6% |
| PassMark | 56,261+871%Top 5% | 5,794Bottom 8% |
| 3DMark Time Spy Graphics (iGPU) | 528+36%Bottom 20% | 389Bottom 8% |
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