AMD Ryzen 9 8945HS vs AMD Ryzen 9 9955HX
63.5Single-core74.2
52.6Multi-core82
65.4Efficiencyspec-based42.2
68.5iGPU32.6
61.8Platformspec-based84.3
3 spec wins — AMD Ryzen 9 8945HS12 spec wins — AMD Ryzen 9 9955HX
InnoReviews verdict
AMD Ryzen 9 9955HX wins this laptop processor face-off, 69.5 to 60.2, pulling ahead mainly in multi-core (+29) and single-core (+11). AMD Ryzen 9 8945HS 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 8945HS
- Stronger iGPU score: 69 vs 33
- 404% higher 3DMark Time Spy Graphics (iGPU): 2,659 vs 528
- 60% higher Base clock: 4 GHz vs 2.5 GHz
- 36% lower Base TDP: 35 W vs 55 W
Reasons to pick the AMD Ryzen 9 9955HX
- Stronger single-core score: 74 vs 64
- Stronger multi-core score: 82 vs 53
- 300% higher L3 cache: 64 MB vs 16 MB
- 117% higher Cinebench R23 (multi): 37,500 vs 17,300
- 100% higher cores: 16 vs 8
General
| Spec | AMD Ryzen 9 8945HS | AMD Ryzen 9 9955HX |
|---|---|---|
| Announced | 2023 | 2025 |
| Process | 4 nm | 4 nm |
| Base TDP | 35 W+36% | 55 W |
| Max TDP | 54 W | 75 W+39% |
Cores & Clocks
| Spec | AMD Ryzen 9 8945HS | AMD Ryzen 9 9955HX |
|---|---|---|
| Cores | 8 | 16+100% |
| Performance cores | 8 | 16+100% |
| Threads | 16 | 32+100% |
| Base clock | 4 GHz+60% | 2.5 GHz |
| Boost clock | 5.2 GHz | 5.4 GHz+4% |
| L3 cache | 16 MB | 64 MB+300% |
Integrated GPU
| Spec | AMD Ryzen 9 8945HS | AMD Ryzen 9 9955HX |
|---|---|---|
| iGPU | AMD Radeon 780M | AMD Radeon 610M |
| iGPU clock | 2,800 MHz | 2,200 MHz |
Memory
| Spec | AMD Ryzen 9 8945HS | AMD Ryzen 9 9955HX |
|---|---|---|
| Memory support | LPDDR5X-7500 / DDR5-5600 | DDR5-5600 |
| Max memory | 256 GB | 256 GB |
Benchmarks
| Spec | AMD Ryzen 9 8945HS | AMD Ryzen 9 9955HX |
|---|---|---|
| Geekbench 6 (single) | 2,700Top 39% | 3,080+14%Top 17% |
| Geekbench 6 (multi) | 13,100Top 37% | 19,500+49%Top 12% |
| Cinebench R23 (single) | 1,810Top 35% | 2,150+19%Top 12% |
| Cinebench R23 (multi) | 17,300Top 26% | 37,500+117%Top 3% |
| PassMark | 29,208Top 23% | 56,261+93%Top 5% |
| 3DMark Time Spy Graphics (iGPU) | 2,659+404%Top 22% | 528Bottom 20% |
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