Core i9-13900 vs Ryzen 9 7845HX

Core i9-13900 vs Ryzen 9 7845HX Performance Spectrum

Core i9-13900

24 / 32

45,252

+0.7%

44,940

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

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 i9-13900 vs Ryzen 9 7845HX 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 i9-13900 vs Ryzen 9 7845HX: Pros, Cons & Final Verdict

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

Core i9-13900

2023

Why buy it

✅+0.7% higher PassMark.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7845HX across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (36 MB vs 64 MB).
❌Launch MSRP is still $549 MSRP, while Ryzen 9 7845HX mostly shows up through inconsistent older-market listings.
❌127.3% higher power demand at 125W vs 55W.
❌No boxed cooler included, unlike Ryzen 9 7845HX.

Ryzen 9 7845HX

2023

Why buy it

✅Better for gaming: +3.5% higher average FPS across 50 shared CPU benchmark tests.
✅+77.8% larger total L3 cache (64 MB vs 36 MB).
✅Draws 55W instead of 125W, a 70W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Laptop Integrated), unlike Core i9-13900.

Trade-offs

❌Lower PassMark (44,940 vs 45,252).

Quick Answers

So, is Core i9-13900 better than Ryzen 9 7845HX?

It depends on what you want from the system. For gaming, Ryzen 9 7845HX is ahead with a 3.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-13900 pulls ahead with 0.7% better PassMark. Ryzen 9 7845HX also has the bigger cache pool with 77.8% larger total L3 cache (64 MB vs 36 MB).

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

For streaming, content creation, and heavier multitasking, Core i9-13900 is the stronger fit. You are getting 0.7% better PassMark, backed by 24 cores and 32 threads.

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

Core i9-13900 is the better buy right now. Core i9-13900 comes in at an unclear MSRP at $549 MSRP versus unclear MSRP, and it still gives you 0.7% better PassMark. The compromise is that Ryzen 9 7845HX is still the better pure gaming CPU with a 3.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (82.4 vs 0.0 PassMark/$), 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 i9-13900 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 24 cores / 32 threads instead of 12/24. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i9-13900 vs Ryzen 9 7845HX Technical Specifications

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

Core i9-13900

The Core i9-13900 is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 24 cores and 32 threads. Base frequency is 2 GHz, with boost up to 5.5 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR5-5600, DDR4-3200. Passmark benchmark score: 45,252 points. Launch price was $549.

Ryzen 9 7845HX

The Ryzen 9 7845HX is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 12 cores and 24 threads. Base frequency is 3 GHz, with boost up to 5.2 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on CCD = 5 nm, I/O = 6 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 44,940 points. Launch price was $499.

⚡

Processing Power

The Core i9-13900 packs 24 cores / 32 threads, while the Ryzen 9 7845HX offers 12 cores / 24 threads — the Core i9-13900 has 12 more cores. Boost clocks reach 5.5 GHz on the Core i9-13900 versus 5.2 GHz on the Ryzen 9 7845HX — a 5.6% clock advantage for the Core i9-13900 (base: 2 GHz vs 3 GHz). The Core i9-13900 uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Ryzen 9 7845HX uses Dragon Range-HX (Zen 4) (2023−2024) (CCD = 5 nm, I/O = 6 nm). In PassMark, the Core i9-13900 scores 45,252 against the Ryzen 9 7845HX's 44,940 — a 0.7% lead for the Core i9-13900. L3 cache: 36 MB (total) on the Core i9-13900 vs 64 MB (total) on the Ryzen 9 7845HX.

Feature	Core i9-13900	Ryzen 9 7845HX
Cores / Threads	24 / 32+100%	12 / 24
Boost Clock	5.5 GHz+6%	5.2 GHz
Base Clock	2 GHz	3 GHz+50%
L3 Cache	36 MB (total)	64 MB (total)+78%
L2 Cache	2 MB (per core)+100%	1 MB (per core)
Process	Intel 7 nm	CCD = 5 nm, I/O = 6 nm-29%
Architecture	Raptor Lake-S (2023−2024)	Dragon Range-HX (Zen 4) (2023−2024)
PassMark	45,252	44,940
Cinebench R23 Multi	—	26,654
Geekbench 6 Single	—	2,697
Geekbench 6 Multi	—	15,039

🧠

Memory & Platform

The Core i9-13900 uses the LGA1700 socket (PCIe 5.0), while the Ryzen 9 7845HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the Core i9-13900 versus DDR5-5200 on the Ryzen 9 7845HX — the Core i9-13900 supports 7.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-13900 supports up to 128 GB of RAM compared to 64 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i9-13900) vs 28 (Ryzen 9 7845HX) — the Ryzen 9 7845HX offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z790,B760 (Core i9-13900) and FL1 (Ryzen 9 7845HX).

Feature	Core i9-13900	Ryzen 9 7845HX
Socket	LGA1700	FL1
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	5600+8%	DDR5-5200
Max RAM Capacity	128 GB+100%	64 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	28+40%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 7845HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i9-13900) vs AMD-V (Ryzen 9 7845HX). Both include integrated graphics — Intel UHD Graphics 770 (Core i9-13900) and Radeon 610M (Ryzen 9 7845HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 9 7845HX targets High-end Gaming / Content Creation. Direct competitor: Core i9-13900 rivals Ryzen 9 7900X; Ryzen 9 7845HX rivals Core i9-13900HX.

Feature	Core i9-13900	Ryzen 9 7845HX
Integrated GPU	Yes	Yes
IGPU Model	Intel UHD Graphics 770	Radeon 610M
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	AMD-V
Target Use	—	High-end Gaming / Content Creation