AMD Ryzen 9 9955HX3D VS AMD Ryzen 9 7945HX3D
We are comparing the AMD Ryzen 9 9955HX3D (AMD) with the AMD Ryzen 9 7945HX3D (AMD). Scroll down to the pros and cons of each processor, in-depth specs, and benchmark comparisons.
Overall Comparison
KEY DIFFERENCES OF AMD Ryzen 9 9955HX3D AND AMD Ryzen 9 7945HX3D
Here’s how AMD Ryzen 9 9955HX3D and AMD Ryzen 9 7945HX3D stack up against each other in their most impactful areas.
Why AMD Ryzen 9 9955HX3D is the best choice:
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9% higher P-core base frequency (2500 MHz vs 2300 MHz)
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19% higher Geekbench V6 multi-core score (20117 vs 16929)
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14% higher Geekbench V6 single-core score (3181 vs 2800)
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11% higher PassMark single-core score (4499 vs 4062)
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23% higher Blender score (566 vs 462)
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20% smaller manufacturing process (4 nm vs 5 nm)
SPECIFICATION TABLE COMPARISON OF AMD Ryzen 9 9955HX3D AND AMD Ryzen 9 7945HX3D
Below is the detailed specification table comparing AMD Ryzen 9 9955HX3D and AMD Ryzen 9 7945HX3D.
Note: Highlighted specs mean that CPU wins that spec row.
If neither side is highlighted, it is a tie or there is not enough data for both specs.
| Specification | AMD Ryzen 9 9955HX3D | AMD Ryzen 9 7945HX3D |
|---|---|---|
|
General Information
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| CPU Name: | AMD Ryzen 9 9955HX3D | AMD Ryzen 9 7945HX3D |
| Vendor: | AMD | AMD |
| Release Date: | January 7, 2025 | August 22, 2023 |
| Type: | Laptop | Laptop |
| Instruction Set: | x86-64 | x86-64 |
| Codename: | Zen 5 (Fire Range) | Zen 4 (Dragon Range) |
|
Package and Thermals
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| Manufacturing Process: | 4 nm | 5 nm |
| Transistor Count: | — | 17.8 billion |
| TDP (PL1): | 55-75 W | 55-75 W |
| Max Boost TDP (PL2): | 101 W | — |
| Socket: | FL1 | FL1 |
| Max Temp (TJMax): | 100 C | 89 C |
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CPU Cores
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Total Cores
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| Total Cores | 16 | 16 |
| Total Threads | 32 | 32 |
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P-Cores
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| P-Cores | 16 | 16 |
| P-Threads | 32 | 32 |
| P-Core Base Frequency | 2500 MHz | 2300 MHz |
| P-Core Turbo Frequency | 5400 MHz | 5400 MHz |
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NPU
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| NPU |
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Cache and Bus
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| Multiplier | Unlocked | Unlocked |
| Bus Frequency | 100 MHz | 100 MHz |
| L1 Cache | 80 KB | 64 KB |
| L2 Cache | 1 MB | 1 MB |
| L3 Cache | 128 MB | 128 MB |
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Memory Support
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| Memory Types: | DDR5-5600 | DDR5-5200 |
| Max Memory Size: | 96 GB | 64 GB |
| Memory Channels: | 2 | 2 |
| ECC Support: |
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| Technologies: | AMD EXPO, AVX-512, BMI1, BMI2, F16C, SHA, Precision Boost 2, Precision Boost OD, SMT, AMD-V, EVP, SMAP, SMEP | AVX-512, BMI1, BMI2, F16C, SHA, Precision Boost 2, SMT, AMD-V, EVP, NX-Bit, SMAP, SMEP |
|
Benchmarks
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Geekbench V6
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| Multi-Core | 20117 | 16929 |
| Single-Core | 3181 | 2800 |
| File Compression | 1620 | 1520 |
| Clang Compression | 231 | 178 |
| HTML5 Browser | 343 | 300 |
| PDF Renderer | 562 | 457 |
| Text Processing | 348 | 289 |
| Background Blur | 71 | 60 |
| Photo Processing | 122 | 105 |
| Ray Tracing | 56 | 37 |
|
PassMark CPU
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| Multi-Core | 62456 | 57778 |
| Single-Core | 4499 | 4062 |
| Integer Math | 221500 | 202600 |
| Floating Point | 143500 | 122000 |
| Prime Numbers | 528 | 444 |
| String Sorting | 83200 | 84600 |
| Data Encryption | 39300 | 42700 |
| Data Compression | 780900 | 706000 |
| Physics | 4694 | 4354 |
| Extended Instructions | 62400 | 52500 |
|
Cinebench 2024
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| Multi-Core | 2160 | 1772 |
| Single-Core | 130 | 115 |
|
Blender
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| Render Score | 566 | 462 |
Tip: ▲ indicates a higher-is-better spec advantage, while ▼ indicates a lower-is-better advantage.
PERFORMANCE CHART COMPARISON OF AMD Ryzen 9 9955HX3D AND AMD Ryzen 9 7945HX3D
The charts below visualize how AMD Ryzen 9 9955HX3D and AMD Ryzen 9 7945HX3D stack up in key performance metrics.
Performance Radar Chart
Performance Benchmarks
Release Timeline of AMD Ryzen 9 9955HX3D and AMD Ryzen 9 7945HX3D
AMD Ryzen 9 7945HX3D was released 1 year, 4 months, 16 days earlier than AMD Ryzen 9 9955HX3D.
Value For Money Calculator
Prices use available launch or current data. Enter your own prices to see which CPU gives better value.
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Domain Score Summary
Scores are generated by Comparigon's scoring algorithm and are intended as a high-level guide. They may not map 1-to-1 with the individual spec-by-spec comparisons shown in the table.
Our Verdict
In conclusion, the AMD Ryzen 9 9955HX3D edges out overall compared to the AMD Ryzen 9 7945HX3D. It comes out ahead across every comparable key area.
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