Core i9-11900H vs Ryzen 5 8640HS

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i9-11900H

2021

Why buy it

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

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 8640HS across 4 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

✅Better for gaming: +11.0% higher average FPS across 4 shared CPU benchmark tests.
✅Draws 28W instead of 35W, a 7W reduction.
✅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).

Core i9-11900H

2021

Ryzen 5 8640HS

2023

Why buy it

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

Why buy it

✅Better for gaming: +11.0% higher average FPS across 4 shared CPU benchmark tests.
✅Draws 28W instead of 35W, a 7W reduction.
✅Newer platform on FP8 with DDR5 support instead of FCBGA1787 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 8640HS across 4 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.

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 matters more to you. For gaming, Ryzen 5 8640HS is ahead with a 11.0% average FPS lead across 4 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 better fit. You are getting 0.8% better PassMark, backed by 8 cores and 16 threads. It also carries 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 looks like the safer overall buy. Ryzen 5 8640HS is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you a 11.0% average FPS lead across 4 shared CPU game tests in our data.

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

Ryzen 5 8640HS is the more future-proof choice 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 should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core i9-11900H Benchmark Check

Ryzen 5 8640HS Benchmark Check

Path of Exile 2

Preset	Core i9-11900H	Ryzen 5 8640HS
1080p
low	247 FPS	261 FPS
medium	230 FPS	237 FPS
high	193 FPS	199 FPS
ultra	166 FPS	171 FPS
1440p
low	220 FPS	230 FPS
medium	185 FPS	190 FPS
high	150 FPS	155 FPS
ultra	133 FPS	137 FPS
4K
low	154 FPS	159 FPS
medium	131 FPS	133 FPS
high	101 FPS	103 FPS
ultra	89 FPS	91 FPS

Open Core i9-11900H Open Ryzen 5 8640HS

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-11900H	Ryzen 5 8640HS
1080p
low	314 FPS	371 FPS
medium	267 FPS	309 FPS
high	226 FPS	272 FPS
ultra	206 FPS	236 FPS
1440p
low	259 FPS	313 FPS
medium	230 FPS	270 FPS
high	201 FPS	244 FPS
ultra	174 FPS	207 FPS
4K
low	160 FPS	234 FPS
medium	144 FPS	206 FPS
high	136 FPS	191 FPS
ultra	121 FPS	161 FPS

Open Core i9-11900H Open Ryzen 5 8640HS

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-11900H	Ryzen 5 8640HS
1080p
low	500 FPS	496 FPS
medium	500 FPS	496 FPS
high	488 FPS	496 FPS
ultra	388 FPS	496 FPS
1440p
low	500 FPS	496 FPS
medium	500 FPS	496 FPS
high	426 FPS	496 FPS
ultra	345 FPS	443 FPS
4K
low	428 FPS	493 FPS
medium	368 FPS	435 FPS
high	324 FPS	372 FPS
ultra	259 FPS	308 FPS

Open Core i9-11900H Open Ryzen 5 8640HS

League of Legends

League of Legends

Valorant

Preset	Core i9-11900H	Ryzen 5 8640HS
1080p
low	500 FPS	496 FPS
medium	500 FPS	496 FPS
high	500 FPS	496 FPS
ultra	500 FPS	496 FPS
1440p
low	500 FPS	496 FPS
medium	500 FPS	496 FPS
high	500 FPS	496 FPS
ultra	476 FPS	496 FPS
4K
low	500 FPS	496 FPS
medium	458 FPS	496 FPS
high	405 FPS	442 FPS
ultra	348 FPS	380 FPS

Open Core i9-11900H Open Ryzen 5 8640HS

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-11900H and Ryzen 5 8640HS

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.

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) (2023−2024) 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.

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Processing Power

The Core i9-11900H packs 8 cores / 16 threads, while the Ryzen 5 8640HS offers 6 cores / 12 threads — 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 — 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) (2023−2024) (4 nm). In PassMark, the Core i9-11900H scores 20,009 against the Ryzen 5 8640HS's 19,851 — 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.

Feature	Core i9-11900H	Ryzen 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) (2023−2024)
PassMark	20,009	19,851

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Memory & Platform

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