Core i9-11900H vs Ryzen 5 8640HS

Intel

Core i9-11900H

8 Cores16 Thrd35 WWMax: 4.9 GHz2021
VS
AMD

Ryzen 5 8640HS

6 Cores12 Thrd28 WWMax: 4.9 GHz2023

Core i9-11900H vs Ryzen 5 8640HS 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 i9-11900H vs Ryzen 5 8640HS 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 i9-11900H vs Ryzen 5 8640HS: Pros, Cons & Final Verdict

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

Core i9-11900H

2021

Why buy it

  • βœ…+0.8% higher PassMark.
  • βœ…+50% larger total L3 cache (24 MB vs 16 MB).

Trade-offs

  • ❌Worse for gaming: lower average FPS than Ryzen 5 8640HS across 50 shared CPU benchmark tests.
  • ❌25% higher power demand at 35W vs 28W.
  • ❌Older platform position on FCBGA1787 with DDR4, while Ryzen 5 8640HS moves to FP8 and DDR5.

Ryzen 5 8640HS

2023

Why buy it

  • βœ…Better for gaming: +6.8% higher average FPS across 50 shared CPU benchmark tests.
  • βœ…Draws 28W instead of 35W, a 7W reduction.
  • βœ…Newer platform on FP8 with DDR5 support instead of FCBGA1787 and DDR4.

Trade-offs

  • ❌Lower PassMark (19,851 vs 20,009).
  • ❌Smaller total L3 cache (16 MB vs 24 MB).

Quick Answers

So, is Ryzen 5 8640HS better than Core i9-11900H?
It depends on what you want from the system. For gaming, Ryzen 5 8640HS is ahead with a 6.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-11900H pulls ahead with 0.8% better PassMark. Core i9-11900H 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 i9-11900H is the stronger fit. You are getting 0.8% better PassMark, backed by 8 cores and 16 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?
Ryzen 5 8640HS still makes the most sense overall. Ryzen 5 8640HS comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 6.8% average FPS lead across 50 shared CPU game tests in our data.
Which one is more future-proof for 2026 and beyond?
Ryzen 5 8640HS makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021) and a healthier platform with FP8 and DDR5 instead of FCBGA1787. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-11900H vs Ryzen 5 8640HS Technical Specifications

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

Intel

Core i9-11900H

The Core i9-11900H is manufactured by Intel. It was released in 11 May 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 8 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 4.9 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1787. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 20,009 points. Launch price was $546.

AMD

Ryzen 5 8640HS

The Ryzen 5 8640HS is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-HS (Zen 4) (2023βˆ’2024) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.9 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 19,851 points. Launch price was $299.

⚑

Processing Power

The Core i9-11900H packs 8 cores / 16 threads, while the Ryzen 5 8640HS offers 6 cores / 12 threads β€” the Core i9-11900H has 2 more cores. Boost clocks reach 4.9 GHz on the Core i9-11900H versus 4.9 GHz on the Ryzen 5 8640HS β€” identical boost frequencies (base: 2.1 GHz vs 3.5 GHz). The Core i9-11900H uses the Tiger Lake-H (2021) architecture (10 nm SuperFin), while the Ryzen 5 8640HS uses Hawk Point-HS (Zen 4) (2023βˆ’2024) (4 nm). In PassMark, the Core i9-11900H scores 20,009 against the Ryzen 5 8640HS's 19,851 β€” a 0.8% lead for the Core i9-11900H. L3 cache: 24 MB (total) on the Core i9-11900H vs 16 MB (total) on the Ryzen 5 8640HS.

FeatureCore i9-11900HRyzen 5 8640HS
Cores / Threads
8 / 16+33%
6 / 12
Boost Clock
4.9 GHz
4.9 GHz
Base Clock
2.1 GHz
3.5 GHz+67%
L3 Cache
24 MB (total)+50%
16 MB (total)
L2 Cache
1.25 MB (per core)+25%
1 MB (per core)
Process
10 nm SuperFin
4 nm-60%
Architecture
Tiger Lake-H (2021)
Hawk Point-HS (Zen 4) (2023βˆ’2024)
PassMark
20,009
19,851
🧠

Memory & Platform

The Core i9-11900H uses the FCBGA1787 socket (PCIe 4.0), while the Ryzen 5 8640HS uses FP8 (PCIe 3.0) β€” making them incompatible on the same motherboard.

FeatureCore i9-11900HRyzen 5 8640HS
Socket
FCBGA1787
FP8
PCIe Generation
PCIe 4.0+33%
PCIe 3.0