
Ryzen 7 PRO 7840U
Popular choices:

Ryzen 9 6900HX
Popular choices:
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook
This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.
Ryzen 7 PRO 7840U
2023Why buy it
- ✅Better for gaming: +7.0% higher average FPS across 36 shared CPU benchmark tests.
- ✅Draws 8W instead of 45W, a 37W reduction.
Trade-offs
- ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.
Ryzen 9 6900HX
2022Why buy it
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 7 PRO 7840U across 36 shared CPU benchmark tests.
- ❌Lower PassMark (24,248 vs 24,531).
- ❌462.5% higher power demand at 45W vs 8W.
Ryzen 7 PRO 7840U
2023Ryzen 9 6900HX
2022Why buy it
- ✅Better for gaming: +7.0% higher average FPS across 36 shared CPU benchmark tests.
- ✅Draws 8W instead of 45W, a 37W reduction.
Why buy it
Trade-offs
- ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 7 PRO 7840U across 36 shared CPU benchmark tests.
- ❌Lower PassMark (24,248 vs 24,531).
- ❌462.5% higher power demand at 45W vs 8W.
Quick Answers
So, is Ryzen 7 PRO 7840U better than Ryzen 9 6900HX?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Games Benchmarks
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2
| Preset | Ryzen 7 PRO 7840U | Ryzen 9 6900HX |
|---|---|---|
| 1080p | ||
| low | 259 FPS | 251 FPS |
| medium | 238 FPS | 234 FPS |
| high | 201 FPS | 197 FPS |
| ultra | 173 FPS | 169 FPS |
| 1440p | ||
| low | 229 FPS | 220 FPS |
| medium | 191 FPS | 186 FPS |
| high | 155 FPS | 152 FPS |
| ultra | 137 FPS | 133 FPS |
| 4K | ||
| low | 159 FPS | 154 FPS |
| medium | 134 FPS | 131 FPS |
| high | 104 FPS | 101 FPS |
| ultra | 92 FPS | 89 FPS |

Counter-Strike 2
| Preset | Ryzen 7 PRO 7840U | Ryzen 9 6900HX |
|---|---|---|
| 1080p | ||
| low | 492 FPS | 441 FPS |
| medium | 408 FPS | 370 FPS |
| high | 356 FPS | 322 FPS |
| ultra | 319 FPS | 287 FPS |
| 1440p | ||
| low | 430 FPS | 370 FPS |
| medium | 376 FPS | 323 FPS |
| high | 328 FPS | 288 FPS |
| ultra | 281 FPS | 247 FPS |
| 4K | ||
| low | 284 FPS | 255 FPS |
| medium | 259 FPS | 229 FPS |
| high | 248 FPS | 215 FPS |
| ultra | 214 FPS | 186 FPS |

League of Legends
| Preset | Ryzen 7 PRO 7840U | Ryzen 9 6900HX |
|---|---|---|
| 1080p | ||
| low | 613 FPS | 606 FPS |
| medium | 613 FPS | 564 FPS |
| high | 613 FPS | 485 FPS |
| ultra | 522 FPS | 388 FPS |
| 1440p | ||
| low | 613 FPS | 606 FPS |
| medium | 613 FPS | 510 FPS |
| high | 523 FPS | 437 FPS |
| ultra | 449 FPS | 355 FPS |
| 4K | ||
| low | 523 FPS | 432 FPS |
| medium | 457 FPS | 368 FPS |
| high | 405 FPS | 323 FPS |
| ultra | 343 FPS | 262 FPS |

Valorant
| Preset | Ryzen 7 PRO 7840U | Ryzen 9 6900HX |
|---|---|---|
| 1080p | ||
| low | 613 FPS | 606 FPS |
| medium | 613 FPS | 606 FPS |
| high | 613 FPS | 606 FPS |
| ultra | 613 FPS | 606 FPS |
| 1440p | ||
| low | 613 FPS | 606 FPS |
| medium | 613 FPS | 606 FPS |
| high | 613 FPS | 591 FPS |
| ultra | 549 FPS | 513 FPS |
| 4K | ||
| low | 558 FPS | 536 FPS |
| medium | 502 FPS | 489 FPS |
| high | 449 FPS | 438 FPS |
| ultra | 385 FPS | 379 FPS |
Technical Specifications
Side-by-side comparison of Ryzen 7 PRO 7840U and Ryzen 9 6900HX


Ryzen 7 PRO 7840U
Ryzen 7 PRO 7840U
The Ryzen 7 PRO 7840U is manufactured by AMD. It was released in 3 May 2023 (2 years ago). It is based on the Phoenix (Zen 4) (2023) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP8. Thermal design power (TDP): 28 Watt. Memory support: LPDDR5x, DDR5. Passmark benchmark score: 24,531 points. Launch price was $299.


Ryzen 9 6900HX
Ryzen 9 6900HX
The Ryzen 9 6900HX is manufactured by AMD. It was released in Janeiro 2022 (3 years ago). It is based on the Rembrandt-H (Zen 3+) (2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.9 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 6 nm process technology. Socket: FP7. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 24,248 points. Launch price was $299.
Processing Power
Both the Ryzen 7 PRO 7840U and Ryzen 9 6900HX share an identical 8-core/16-thread configuration. Boost clocks reach 5.1 GHz on the Ryzen 7 PRO 7840U versus 4.9 GHz on the Ryzen 9 6900HX — a 4% clock advantage for the Ryzen 7 PRO 7840U (base: 3.3 GHz vs 3.3 GHz). The Ryzen 7 PRO 7840U uses the Phoenix (Zen 4) (2023) architecture (4 nm), while the Ryzen 9 6900HX uses Rembrandt-H (Zen 3+) (2022) (6 nm). In PassMark, the Ryzen 7 PRO 7840U scores 24,531 against the Ryzen 9 6900HX's 24,248 — a 1.2% lead for the Ryzen 7 PRO 7840U. L3 cache: 16 MB on the Ryzen 7 PRO 7840U vs 16 MB (total) on the Ryzen 9 6900HX.
| Feature | Ryzen 7 PRO 7840U | Ryzen 9 6900HX |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 16 |
| Boost Clock | 5.1 GHz+4% | 4.9 GHz |
| Base Clock | 3.3 GHz | 3.3 GHz |
| L3 Cache | 16 MB | 16 MB (total) |
| L2 Cache | 8 MB+1500% | 512K (per core) |
| Process | 4 nm-33% | 6 nm |
| Architecture | Phoenix (Zen 4) (2023) | Rembrandt-H (Zen 3+) (2022) |
| PassMark | 24,531+1% | 24,248 |
Memory & Platform
The Ryzen 7 PRO 7840U uses the FP7/FP8 socket (PCIe 4.0), while the Ryzen 9 6900HX uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 7 PRO 7840U | Ryzen 9 6900HX |
|---|---|---|
| Socket | FP7/FP8 | FP7 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.











