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 i9-11900KF

2021

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 7 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (15,500 vs 18,500).
❌Lower PassMark per dollar, at 47.9 vs 76.4 PassMark/$ ($513 MSRP vs $449 MSRP).
❌Older platform position on LGA1200 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +19.2% higher average FPS across 7 shared CPU benchmark tests.
✅Costs $64 less on MSRP ($449 MSRP vs $513 MSRP).
✅Delivers 59.4% more PassMark for each dollar spent, at 76.4 vs 47.9 PassMark/$ ($449 MSRP vs $513 MSRP).
✅Draws 120W instead of 125W, a 5W reduction.
✅Newer platform on AM5 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

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

Core i9-11900KF

2021

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +19.2% higher average FPS across 7 shared CPU benchmark tests.
✅Costs $64 less on MSRP ($449 MSRP vs $513 MSRP).
✅Delivers 59.4% more PassMark for each dollar spent, at 76.4 vs 47.9 PassMark/$ ($449 MSRP vs $513 MSRP).
✅Draws 120W instead of 125W, a 5W reduction.
✅Newer platform on AM5 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 7 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (15,500 vs 18,500).
❌Lower PassMark per dollar, at 47.9 vs 76.4 PassMark/$ ($513 MSRP vs $449 MSRP).
❌Older platform position on LGA1200 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Trade-offs

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

Quick Answers

So, is Ryzen 7 7800X3D better than Core i9-11900KF?

Yes. Ryzen 7 7800X3D is the better overall CPU here. You are getting a 19.2% average FPS lead across 7 shared CPU game tests in our data, 19.4% better Cinebench R23 multi-core, 39.5% higher PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 7800X3D is the better pick here. According to our tests, it delivers 19.2% more average FPS across 7 shared CPU game tests. It also has a big cache advantage at 96 MB vs 16 MB.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the better fit. You are getting 19.4% better Cinebench R23 multi-core, backed by 8 cores and 16 threads. It also carries the larger cache pool with 500% larger total L3 cache (96 MB vs 16 MB).

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

Ryzen 7 7800X3D is the smarter buy today. Ryzen 7 7800X3D is $64 cheaper on MSRP at $449 MSRP versus $513 MSRP, and it gives you a 19.2% average FPS lead across 7 shared CPU game tests in our data. It is also 59.4% better value on MSRP (76.4 vs 47.9 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper. That said, if you already own a compatible LGA1200 + DDR4 setup, Core i9-11900KF can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

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

Ryzen 7 7800X3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021), a healthier platform with AM5 and DDR5 instead of LGA1200, 3D V-Cache and a much larger 96 MB L3 cache instead of 16 MB, and more multi-core headroom with 8 cores / 16 threads instead of 8/16. 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 i9-11900KF Benchmark Check

Ryzen 7 7800X3D Benchmark Check

Path of Exile 2

Preset	Core i9-11900KF	Ryzen 7 7800X3D
1080p
low	295 FPS	266 FPS
medium	261 FPS	247 FPS
high	220 FPS	211 FPS
ultra	189 FPS	186 FPS
1440p
low	242 FPS	258 FPS
medium	192 FPS	215 FPS
high	157 FPS	171 FPS
ultra	139 FPS	154 FPS
4K
low	167 FPS	179 FPS
medium	135 FPS	149 FPS
high	104 FPS	112 FPS
ultra	91 FPS	100 FPS

Open Core i9-11900KF Open Ryzen 7 7800X3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-11900KF	Ryzen 7 7800X3D
1080p
low	615 FPS	857 FPS
medium	527 FPS	737 FPS
high	457 FPS	580 FPS
ultra	407 FPS	493 FPS
1440p
low	601 FPS	722 FPS
medium	490 FPS	611 FPS
high	422 FPS	500 FPS
ultra	362 FPS	398 FPS
4K
low	401 FPS	396 FPS
medium	339 FPS	339 FPS
high	320 FPS	315 FPS
ultra	275 FPS	273 FPS

Open Core i9-11900KF Open Ryzen 7 7800X3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-11900KF	Ryzen 7 7800X3D
1080p
low	615 FPS	857 FPS
medium	615 FPS	857 FPS
high	615 FPS	857 FPS
ultra	563 FPS	857 FPS
1440p
low	615 FPS	857 FPS
medium	615 FPS	851 FPS
high	543 FPS	786 FPS
ultra	464 FPS	656 FPS
4K
low	577 FPS	558 FPS
medium	480 FPS	479 FPS
high	427 FPS	427 FPS
ultra	357 FPS	362 FPS

Open Core i9-11900KF Open Ryzen 7 7800X3D

League of Legends

League of Legends

Valorant

Preset	Core i9-11900KF	Ryzen 7 7800X3D
1080p
low	615 FPS	857 FPS
medium	615 FPS	857 FPS
high	615 FPS	857 FPS
ultra	615 FPS	782 FPS
1440p
low	615 FPS	857 FPS
medium	615 FPS	760 FPS
high	615 FPS	669 FPS
ultra	615 FPS	576 FPS
4K
low	615 FPS	618 FPS
medium	565 FPS	556 FPS
high	512 FPS	495 FPS
ultra	437 FPS	428 FPS

Open Core i9-11900KF Open Ryzen 7 7800X3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-11900KF and Ryzen 7 7800X3D

Core i9-11900KF

The Core i9-11900KF 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 3.5 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-3200. Passmark benchmark score: 24,585 points. Launch price was $299.

Ryzen 7 7800X3D

The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

⚡

Processing Power

Both the Core i9-11900KF and Ryzen 7 7800X3D share an identical 8-core/16-thread configuration. Boost clocks reach 5.2 GHz on the Core i9-11900KF versus 5 GHz on the Ryzen 7 7800X3D — a 3.9% clock advantage for the Core i9-11900KF (base: 3.5 GHz vs 4.4 GHz). The Core i9-11900KF uses the Rocket Lake (2021) architecture (14 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core i9-11900KF scores 24,585 against the Ryzen 7 7800X3D's 34,293 — a 33% lead for the Ryzen 7 7800X3D. Cinebench R23 multi-core: 15,500 vs 18,500 (17.6% advantage for the Ryzen 7 7800X3D). L3 cache: 16 MB (total) on the Core i9-11900KF vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	Core i9-11900KF	Ryzen 7 7800X3D
Cores / Threads	8 / 16	8 / 16
Boost Clock	5.2 GHz+4%	5 GHz
Base Clock	3.5 GHz	4.4 GHz+26%
L3 Cache	16 MB (total)	96 MB (total)+500%
L2 Cache	256K (per core)	1 MB (per core)+300%
Process	14 nm	5 nm-64%
Architecture	Rocket Lake (2021)	Raphael (Zen4) (2022−2023)
PassMark	24,585	34,293+39%
Cinebench R23 Multi	15,500	18,500+19%
Geekbench 6 Single	—	2,700
Geekbench 6 Multi	—	15,000

🧠

Memory & Platform

The Core i9-11900KF uses the LGA1200 socket (PCIe 4.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Core i9-11900KF versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i9-11900KF) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z590,B560 (Core i9-11900KF) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

Feature	Core i9-11900KF	Ryzen 7 7800X3D
Socket	LGA1200	AM5
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	DDR5-5200+25%
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	28+40%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Core i9-11900KF) vs AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Core i9-11900KF requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

Feature	Core i9-11900KF	Ryzen 7 7800X3D
Integrated GPU	No	Yes
IGPU Model	—	AMD Radeon Graphics (2-core)
Unlocked	Yes	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	AMD-V
Target Use	—	Gaming

💰

Value Analysis

The Core i9-11900KF launched at $513 MSRP, while the Ryzen 7 7800X3D debuted at $449. On MSRP ($513 vs $449), the Ryzen 7 7800X3D is $64 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-11900KF delivers 47.9 pts/$ vs 76.4 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 45.8% better value option.