Core i9-11900F vs Ryzen 5 8645HS

Core i9-11900F vs Ryzen 5 8645HS Performance Spectrum

Core i9-11900F

8 / 16

22,052

0.0%

22,257

+0.9%

Ryzen Threadripper PRO 3955WX

Ryzen 9 9900X3D

Ryzen Threadripper PRO 5975WX

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 i9-11900F vs Ryzen 5 8645HS 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 i9-11900F vs Ryzen 5 8645HS: Pros, Cons & Final Verdict

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

Core i9-11900F

2021

Why buy it

Trade-offs

❌Lower PassMark (22,052 vs 22,257).
❌44.4% higher power demand at 65W vs 45W.
❌Older platform position on LGA1200 with DDR4, while Ryzen 5 8645HS moves to FP8 and DDR5.
❌No integrated graphics, while Ryzen 5 8645HS can still boot and troubleshoot without a discrete GPU.

Ryzen 5 8645HS

2023

Why buy it

✅+0.9% higher PassMark.
✅Draws 45W instead of 65W, a 20W reduction.
✅Newer platform on FP8 with DDR5 support instead of LGA1200 and DDR4.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon 760M, while Core i9-11900F needs a discrete GPU.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Ryzen 5 8645HS better than Core i9-11900F?

It depends on what you want from the system. For gaming, Core i9-11900F is ahead with a 2.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 5 8645HS pulls ahead with 0.9% better PassMark.

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

For streaming, content creation, and heavier multitasking, Ryzen 5 8645HS is the stronger fit. You are getting 0.9% better PassMark, backed by 6 cores and 12 threads.

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

Ryzen 5 8645HS still makes the most sense overall. Ryzen 5 8645HS comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.9% better PassMark.

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

Ryzen 5 8645HS makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021), a healthier platform with FP8 and DDR5 instead of LGA1200, and more multi-core headroom with 6 cores / 12 threads instead of 8/16. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-11900F vs Ryzen 5 8645HS Technical Specifications

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

Core i9-11900F

The Core i9-11900F is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 8 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 22,052 points. Launch price was $299.

Ryzen 5 8645HS

The Ryzen 5 8645HS is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-HS (Zen 4) (2023−2024) architecture. It features 6 cores and 12 threads. Base frequency is 4.3 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 22,257 points. Launch price was $299.

⚡

Processing Power

The Core i9-11900F packs 8 cores / 16 threads, while the Ryzen 5 8645HS offers 6 cores / 12 threads — the Core i9-11900F has 2 more cores. Boost clocks reach 5.1 GHz on the Core i9-11900F versus 5 GHz on the Ryzen 5 8645HS — a 2% clock advantage for the Core i9-11900F (base: 2.5 GHz vs 4.3 GHz). The Core i9-11900F uses the Rocket Lake (2021) architecture (14 nm), while the Ryzen 5 8645HS uses Hawk Point-HS (Zen 4) (2023−2024) (4 nm). In PassMark, the Core i9-11900F scores 22,052 against the Ryzen 5 8645HS's 22,257 — a 0.9% lead for the Ryzen 5 8645HS. Both processors carry 16 MB (total) of L3 cache.

Feature	Core i9-11900F	Ryzen 5 8645HS
Cores / Threads	8 / 16+33%	6 / 12
Boost Clock	5.1 GHz+2%	5 GHz
Base Clock	2.5 GHz	4.3 GHz+72%
L3 Cache	16 MB (total)	16 MB (total)
L2 Cache	256K (per core)+25500%	1 MB (per core)
Process	14 nm	4 nm-71%
Architecture	Rocket Lake (2021)	Hawk Point-HS (Zen 4) (2023−2024)
PassMark	22,052	22,257
Cinebench R23 Multi	—	13,316
Geekbench 6 Single	—	2,574
Geekbench 6 Multi	—	10,675

🧠

Memory & Platform

The Core i9-11900F uses the LGA1200 socket (PCIe 4.0), while the Ryzen 5 8645HS uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i9-11900F	Ryzen 5 8645HS
Socket	LGA1200	FP8
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	—	LPDDR5x-7500
Max RAM Capacity	—	256 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	20

🔧

Advanced Features

Virtualization: not specified (Core i9-11900F) / AMD-V (SVM) (Ryzen 5 8645HS). The Ryzen 5 8645HS includes integrated graphics (Radeon 760M), while the Core i9-11900F requires a dedicated GPU. Primary use case: Ryzen 5 8645HS targets Gaming. Direct competitor: Ryzen 5 8645HS rivals Core i5-13500H.