Core i9-12900E vs Ryzen 7 7840H

Core i9-12900E vs Ryzen 7 7840H Performance Spectrum

Core i9-12900E

16 / 24

28,170

+1.2%

27,832

0.0%

Ryzen Threadripper 3990X

Ryzen Threadripper PRO 9965WX

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.

Core i9-12900E vs Ryzen 7 7840H FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i9-12900E vs Ryzen 7 7840H: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i9-12900E

2022

Why 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 50 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

2023

Why buy it

✅Better for gaming: +9.6% higher average FPS across 50 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.

Quick Answers

So, is Ryzen 7 7840H better than Core i9-12900E?

It depends on what you want from the system. For gaming, Ryzen 7 7840H is ahead with a 9.6% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-12900E pulls ahead with 1.2% better PassMark. Core i9-12900E also has the bigger cache pool with 87.5% larger total L3 cache (30 MB vs 16 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i9-12900E is the stronger fit. You are getting 1.2% better PassMark, backed by 16 cores and 24 threads. It also has the larger cache pool with 87.5% larger total L3 cache (30 MB vs 16 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 7 7840H is still the faster CPU overall, but Core i9-12900E is easier to justify if budget matters more than peak performance. Ryzen 7 7840H comes in at an unclear MSRP at unclear MSRP versus $500 MSRP, and it still gives you a 9.6% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i9-12900E is still stronger for heavier multi-core work with 1.2% better PassMark. Core i9-12900E is also 100.0% better value on MSRP (56.3 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen 7 7840H makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022). That makes it the safer long-term bet.

Core i9-12900E vs Ryzen 7 7840H Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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

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.

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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	—

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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	—

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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.