
Core i9-12900E
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Ryzen 7 7840H
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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.
Core i9-12900E
2022Why buy it
- ✅+1.2% higher PassMark.
- ✅+87.5% larger total L3 cache (30 MB vs 16 MB).
- ✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
- ✅Integrated graphics onboard with UHD Graphics 770, while Ryzen 7 7840H needs a discrete GPU.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 7 7840H across 46 shared CPU benchmark tests.
- ❌Launch MSRP is still $500 MSRP, while Ryzen 7 7840H mostly shows up through inconsistent older-market listings.
- ❌85.7% higher power demand at 65W vs 35W.
Ryzen 7 7840H
2023Why buy it
- ✅Better for gaming: +9.3% higher average FPS across 46 shared CPU benchmark tests.
- ✅Draws 35W instead of 65W, a 30W reduction.
Trade-offs
- ❌Lower PassMark (27,832 vs 28,170).
- ❌Smaller total L3 cache (16 MB vs 30 MB).
- ❌No integrated graphics, while Core i9-12900E can still boot and troubleshoot without a discrete GPU.
Core i9-12900E
2022Ryzen 7 7840H
2023Why buy it
- ✅+1.2% higher PassMark.
- ✅+87.5% larger total L3 cache (30 MB vs 16 MB).
- ✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
- ✅Integrated graphics onboard with UHD Graphics 770, while Ryzen 7 7840H needs a discrete GPU.
Why buy it
- ✅Better for gaming: +9.3% higher average FPS across 46 shared CPU benchmark tests.
- ✅Draws 35W instead of 65W, a 30W reduction.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 7 7840H across 46 shared CPU benchmark tests.
- ❌Launch MSRP is still $500 MSRP, while Ryzen 7 7840H mostly shows up through inconsistent older-market listings.
- ❌85.7% higher power demand at 65W vs 35W.
Trade-offs
- ❌Lower PassMark (27,832 vs 28,170).
- ❌Smaller total L3 cache (16 MB vs 30 MB).
- ❌No integrated graphics, while Core i9-12900E can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Ryzen 7 7840H better than Core i9-12900E?
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 | Core i9-12900E | Ryzen 7 7840H |
|---|---|---|
| 1080p | ||
| low | 254 FPS | 268 FPS |
| medium | 239 FPS | 241 FPS |
| high | 201 FPS | 206 FPS |
| ultra | 172 FPS | 176 FPS |
| 1440p | ||
| low | 220 FPS | 234 FPS |
| medium | 187 FPS | 191 FPS |
| high | 153 FPS | 158 FPS |
| ultra | 135 FPS | 138 FPS |
| 4K | ||
| low | 151 FPS | 160 FPS |
| medium | 128 FPS | 132 FPS |
| high | 100 FPS | 102 FPS |
| ultra | 87 FPS | 89 FPS |

Counter-Strike 2
| Preset | Core i9-12900E | Ryzen 7 7840H |
|---|---|---|
| 1080p | ||
| low | 646 FPS | 499 FPS |
| medium | 552 FPS | 415 FPS |
| high | 462 FPS | 358 FPS |
| ultra | 410 FPS | 318 FPS |
| 1440p | ||
| low | 557 FPS | 437 FPS |
| medium | 497 FPS | 383 FPS |
| high | 419 FPS | 331 FPS |
| ultra | 351 FPS | 280 FPS |
| 4K | ||
| low | 330 FPS | 290 FPS |
| medium | 299 FPS | 265 FPS |
| high | 282 FPS | 250 FPS |
| ultra | 240 FPS | 215 FPS |

League of Legends
| Preset | Core i9-12900E | Ryzen 7 7840H |
|---|---|---|
| 1080p | ||
| low | 704 FPS | 696 FPS |
| medium | 704 FPS | 696 FPS |
| high | 704 FPS | 696 FPS |
| ultra | 704 FPS | 650 FPS |
| 1440p | ||
| low | 704 FPS | 696 FPS |
| medium | 704 FPS | 637 FPS |
| high | 704 FPS | 548 FPS |
| ultra | 656 FPS | 464 FPS |
| 4K | ||
| low | 596 FPS | 534 FPS |
| medium | 502 FPS | 460 FPS |
| high | 447 FPS | 409 FPS |
| ultra | 376 FPS | 344 FPS |

Valorant
| Preset | Core i9-12900E | Ryzen 7 7840H |
|---|---|---|
| 1080p | ||
| low | 704 FPS | 696 FPS |
| medium | 704 FPS | 696 FPS |
| high | 704 FPS | 696 FPS |
| ultra | 704 FPS | 696 FPS |
| 1440p | ||
| low | 704 FPS | 696 FPS |
| medium | 704 FPS | 696 FPS |
| high | 696 FPS | 696 FPS |
| ultra | 591 FPS | 631 FPS |
| 4K | ||
| low | 659 FPS | 619 FPS |
| medium | 584 FPS | 553 FPS |
| high | 513 FPS | 496 FPS |
| ultra | 435 FPS | 434 FPS |
Technical Specifications
Side-by-side comparison of Core i9-12900E and Ryzen 7 7840H

Core i9-12900E
Core i9-12900E
The Core i9-12900E is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 16 cores and 24 threads. Base frequency is 2.3 GHz, with boost up to 5 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 28,170 points. Launch price was $299.


Ryzen 7 7840H
Ryzen 7 7840H
The Ryzen 7 7840H is manufactured by AMD. It was released in Janeiro 2023 (2 years ago). It is based on the Phoenix (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 35 Watt. Memory support: DDR5-5600. Passmark benchmark score: 27,832 points. Launch price was $299.
Processing Power
The Core i9-12900E packs 16 cores / 24 threads, while the Ryzen 7 7840H offers 8 cores / 16 threads — the Core i9-12900E has 8 more cores. Boost clocks reach 5 GHz on the Core i9-12900E versus 5.1 GHz on the Ryzen 7 7840H — a 2% clock advantage for the Ryzen 7 7840H (base: 2.3 GHz vs 3.8 GHz). The Core i9-12900E uses the Alder Lake-S (2022) architecture (10 nm), while the Ryzen 7 7840H uses Phoenix (2023−2024) (4 nm). In PassMark, the Core i9-12900E scores 28,170 against the Ryzen 7 7840H's 27,832 — a 1.2% lead for the Core i9-12900E. L3 cache: 30 MB (total) on the Core i9-12900E vs 16 MB (total) on the Ryzen 7 7840H.
| Feature | Core i9-12900E | Ryzen 7 7840H |
|---|---|---|
| Cores / Threads | 16 / 24+100% | 8 / 16 |
| Boost Clock | 5 GHz | 5.1 GHz+2% |
| Base Clock | 2.3 GHz | 3.8 GHz+65% |
| L3 Cache | 30 MB (total)+88% | 16 MB (total) |
| L2 Cache | 1.25 MB (per core)+25% | 1 MB (per core) |
| Process | 10 nm | 4 nm-60% |
| Architecture | Alder Lake-S (2022) | Phoenix (2023−2024) |
| PassMark | 28,170+1% | 27,832 |
| Cinebench R23 Multi | 13,420 | — |
| Geekbench 6 Multi | 13,107 | — |
Memory & Platform
The Core i9-12900E uses the LGA1700 socket (PCIe 5.0), while the Ryzen 7 7840H uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Core i9-12900E | Ryzen 7 7840H |
|---|---|---|
| Socket | LGA1700 | FP8 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-4800 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | Yes | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i9-12900E) / not specified (Ryzen 7 7840H). The Core i9-12900E includes integrated graphics (UHD Graphics 770), while the Ryzen 7 7840H requires a dedicated GPU.
| Feature | Core i9-12900E | Ryzen 7 7840H |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics 770 | — |
| Unlocked | No | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d | — |
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