Core i9-12900H vs Ryzen 7 PRO 7840HS

Intel

Core i9-12900H

14 Cores20 Thrd45 WWMax: 5 GHz2022
Core family
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VS
AMD

Ryzen 7 PRO 7840HS

8 Cores16 Thrd8 WWMax: 5.1 GHz2023
Similar parts
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Core i9-12900H vs Ryzen 7 PRO 7840HS Performance Spectrum

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 i9-12900H vs Ryzen 7 PRO 7840HS 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 i9-12900H vs Ryzen 7 PRO 7840HS: Pros, Cons & Final Verdict

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

Core i9-12900H

2022

Why buy it

  • +0.8% higher PassMark.
  • +50% larger total L3 cache (24 MB vs 16 MB).
  • Newer platform on FCBGA1744 with DDR5 support instead of FP7/FP8 and older memory support.
  • 100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with Iris Xe Graphics 96EU, while Ryzen 7 PRO 7840HS needs a discrete GPU.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 PRO 7840HS across 50 shared CPU benchmark tests.
  • Launch MSRP is still $617 MSRP, while Ryzen 7 PRO 7840HS mostly shows up through inconsistent older-market listings.
  • 462.5% higher power demand at 45W vs 8W.

Ryzen 7 PRO 7840HS

2023

Why buy it

  • Better for gaming: +7.3% higher average FPS across 50 shared CPU benchmark tests.
  • Draws 8W instead of 45W, a 37W reduction.

Trade-offs

  • Lower PassMark (26,852 vs 27,079).
  • Smaller total L3 cache (16 MB vs 24 MB).
  • Older platform position on FP7/FP8, while Core i9-12900H moves to FCBGA1744 and DDR5.
  • No integrated graphics, while Core i9-12900H can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i9-12900H better than Ryzen 7 PRO 7840HS?
It depends on what you want from the system. For gaming, Ryzen 7 PRO 7840HS is ahead with a 7.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-12900H pulls ahead with 0.8% better PassMark. Core i9-12900H also has the bigger cache pool with 50% larger total L3 cache (24 MB vs 16 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i9-12900H is the stronger fit. You are getting 0.8% better PassMark, backed by 14 cores and 20 threads. It also has the larger cache pool with 50% larger total L3 cache (24 MB vs 16 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i9-12900H is the better buy right now. Core i9-12900H comes in at an unclear MSRP at $617 MSRP versus unclear MSRP, and it still gives you 0.8% better PassMark. The compromise is that Ryzen 7 PRO 7840HS is still the better pure gaming CPU with a 7.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (43.9 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Core i9-12900H makes more sense long term for 2026 and beyond. You are getting a healthier platform with FCBGA1744 and DDR5 instead of FP7/FP8, 50% larger total L3 cache (24 MB vs 16 MB), and more multi-core headroom with 14 cores / 20 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i9-12900H vs Ryzen 7 PRO 7840HS Technical Specifications

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

Intel

Core i9-12900H

The Core i9-12900H is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-H (2022) architecture. It features 14 cores and 20 threads. Base frequency is 2.5 GHz, with boost up to 5 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 45 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 27,079 points. Launch price was $299.

AMD

Ryzen 7 PRO 7840HS

The Ryzen 7 PRO 7840HS is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Phoenix-HS (Zen 4) (2023) 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. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP8. Thermal design power (TDP): 8 MB + 16 MB. Passmark benchmark score: 26,852 points. Launch price was $299.

Processing Power

The Core i9-12900H packs 14 cores / 20 threads, while the Ryzen 7 PRO 7840HS offers 8 cores / 16 threads — the Core i9-12900H has 6 more cores. Boost clocks reach 5 GHz on the Core i9-12900H versus 5.1 GHz on the Ryzen 7 PRO 7840HS — a 2% clock advantage for the Ryzen 7 PRO 7840HS (base: 2.5 GHz vs 3.8 GHz). The Core i9-12900H uses the Alder Lake-H (2022) architecture (Intel 7 nm), while the Ryzen 7 PRO 7840HS uses Phoenix-HS (Zen 4) (2023) (4 nm). In PassMark, the Core i9-12900H scores 27,079 against the Ryzen 7 PRO 7840HS's 26,852 — a 0.8% lead for the Core i9-12900H. L3 cache: 24 MB (total) on the Core i9-12900H vs 16 MB on the Ryzen 7 PRO 7840HS.

FeatureCore i9-12900HRyzen 7 PRO 7840HS
Cores / Threads
14 / 20+75%
8 / 16
Boost Clock
5 GHz
5.1 GHz+2%
Base Clock
2.5 GHz
3.8 GHz+52%
L3 Cache
24 MB (total)+50%
16 MB
L2 Cache
1.25 MB (per core)
8 MB+540%
Process
Intel 7 nm
4 nm-43%
Architecture
Alder Lake-H (2022)
Phoenix-HS (Zen 4) (2023)
PassMark
27,079
26,852
Cinebench R23 Multi
16,500
Geekbench 6 Single
2,400
Geekbench 6 Multi
12,900
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Memory & Platform

The Core i9-12900H uses the FCBGA1744 socket (PCIe 5.0), while the Ryzen 7 PRO 7840HS uses FP7/FP8 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureCore i9-12900HRyzen 7 PRO 7840HS
Socket
FCBGA1744
FP7/FP8
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
DDR5-4800
Max RAM Capacity
64 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
20
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Advanced Features

Virtualization: Yes (Core i9-12900H) / not specified (Ryzen 7 PRO 7840HS). The Core i9-12900H includes integrated graphics (Iris Xe Graphics 96EU), while the Ryzen 7 PRO 7840HS requires a dedicated GPU. Primary use case: Core i9-12900H targets Mobile.

FeatureCore i9-12900HRyzen 7 PRO 7840HS
Integrated GPU
Yes
IGPU Model
Iris Xe Graphics 96EU
Unlocked
Yes
AVX-512
No
Virtualization
Yes
Target Use
Mobile