Core i7-12800HE vs Ryzen 5 7645HX

Core i7-12800HE vs Ryzen 5 7645HX Performance Spectrum

Core i7-12800HE

14 / 20

26,096

0.0%

26,097

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

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 i7-12800HE vs Ryzen 5 7645HX 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 i7-12800HE vs Ryzen 5 7645HX: Pros, Cons & Final Verdict

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

Core i7-12800HE

2022

Why buy it

✅+4.1% higher Geekbench multi-core.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 7645HX across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (24 MB vs 32 MB).

Ryzen 5 7645HX

2023

Why buy it

✅Better for gaming: +14.1% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (32 MB vs 24 MB).

Trade-offs

❌Lower Geekbench multi-core (11,717 vs 12,200).

Quick Answers

So, is Ryzen 5 7645HX better than Core i7-12800HE?

It depends on what you want from the system. For gaming, Ryzen 5 7645HX is ahead with a 14.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i7-12800HE pulls ahead with 4.1% better Geekbench multi-core. Ryzen 5 7645HX also has the bigger cache pool with 33.3% larger total L3 cache (32 MB vs 24 MB).

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

For streaming, content creation, and heavier multitasking, Core i7-12800HE is the stronger fit. You are getting 4.1% better Geekbench multi-core, backed by 14 cores and 20 threads.

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

Ryzen 5 7645HX still makes the most sense overall. Ryzen 5 7645HX comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 14.1% average FPS lead across 50 shared CPU game tests in our data.

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

Ryzen 5 7645HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022) and 33.3% larger total L3 cache (32 MB vs 24 MB). That makes it the safer long-term bet.

Core i7-12800HE vs Ryzen 5 7645HX Technical Specifications

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

Core i7-12800HE

The Core i7-12800HE is manufactured by Intel. It was released in Janeiro 2022 (3 years ago). It is based on the Alder Lake-H (2022) architecture. It features 14 cores and 20 threads. Base frequency is 2.4 GHz, with boost up to 4.6 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 45 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 26,096 points. Launch price was $299.

Ryzen 5 7645HX

The Ryzen 5 7645HX is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Dragon Range (Zen4) (2023) architecture. It features 6 cores and 12 threads. Base frequency is 4 GHz, with boost up to 5 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 45 Watt. Memory support: DDR5-5200. Passmark benchmark score: 26,097 points. Launch price was $299.

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Processing Power

The Core i7-12800HE packs 14 cores / 20 threads, while the Ryzen 5 7645HX offers 6 cores / 12 threads — the Core i7-12800HE has 8 more cores. Boost clocks reach 4.6 GHz on the Core i7-12800HE versus 5 GHz on the Ryzen 5 7645HX — a 8.3% clock advantage for the Ryzen 5 7645HX (base: 2.4 GHz vs 4 GHz). The Core i7-12800HE uses the Alder Lake-H (2022) architecture (10 nm), while the Ryzen 5 7645HX uses Dragon Range (Zen4) (2023) (5 nm). In PassMark, the Core i7-12800HE scores 26,096 against the Ryzen 5 7645HX's 26,097 — a 0% lead for the Ryzen 5 7645HX. Geekbench 6 single-core — the metric most relevant to gaming — records 1,750 vs 2,588, a 38.6% lead for the Ryzen 5 7645HX that directly translates to higher frame rates. Multi-core Geekbench: 12,200 vs 11,717 (4% advantage for the Core i7-12800HE). L3 cache: 24 MB (total) on the Core i7-12800HE vs 32 MB (total) on the Ryzen 5 7645HX.

Feature	Core i7-12800HE	Ryzen 5 7645HX
Cores / Threads	14 / 20+133%	6 / 12
Boost Clock	4.6 GHz	5 GHz+9%
Base Clock	2.4 GHz	4 GHz+67%
L3 Cache	24 MB (total)	32 MB (total)+33%
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	10 nm	5 nm-50%
Architecture	Alder Lake-H (2022)	Dragon Range (Zen4) (2023)
PassMark	26,096	26,097
Cinebench R23 Multi	—	13,985
Geekbench 6 Single	1,750	2,588+48%
Geekbench 6 Multi	12,200+4%	11,717

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Memory & Platform

The Core i7-12800HE uses the FCBGA1744 socket (PCIe 5.0), while the Ryzen 5 7645HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Core i7-12800HE versus DDR5-5200 on the Ryzen 5 7645HX — the Ryzen 5 7645HX supports 8.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 64 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 28 PCIe lanes. Chipset compatibility: Alder Lake-H (Core i7-12800HE) and SoC (Ryzen 5 7645HX).

Feature	Core i7-12800HE	Ryzen 5 7645HX
Socket	FCBGA1744	FL1
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-4800	DDR5-5200+8%
Max RAM Capacity	64 GB	64 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	28	28

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Advanced Features

Neither processor supports overclocking. Only the Ryzen 5 7645HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-12800HE) vs AMD-V (SVM) (Ryzen 5 7645HX). Both include integrated graphics — Iris Xe Graphics (Core i7-12800HE) and Radeon 610M (Ryzen 5 7645HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-12800HE targets Embedded, Ryzen 5 7645HX targets Gaming. Direct competitor: Ryzen 5 7645HX rivals Core i5-13500HX.