Core i9-11900 vs Ryzen 7 7800X3D

CPU

GPU

Core i9-11900

8 Cores16 Thrd65 WWMax: 5.1 GHz2021

Core family

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Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023

Ryzen family

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Core i9-11900 vs Ryzen 7 7800X3D Performance Spectrum

Core i9-11900

8 / 16

22,422

0.0%

34,293

+52.9%

Ryzen Threadripper PRO 7965WX

Ryzen Threadripper 7970X

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 i9-11900 vs Ryzen 7 7800X3D 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 i9-11900 vs Ryzen 7 7800X3D: Pros, Cons & Final Verdict

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

Core i9-11900

2021

Why buy it

✅Costs $10 less on MSRP ($439 MSRP vs $449 MSRP).
✅Draws 65W instead of 120W, a 55W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 30 shared CPU benchmark tests.
❌Lower PassMark (22,422 vs 34,293).
❌Lower PassMark per dollar, at 51.1 vs 76.4 PassMark/$ ($439 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: +29.1% higher average FPS across 30 shared CPU benchmark tests.
✅Delivers 49.5% more PassMark for each dollar spent, at 76.4 vs 51.1 PassMark/$ ($449 MSRP vs $439 MSRP).
✅Newer platform on AM5 with DDR5 support instead of LGA1200 and DDR4.
✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon Graphics (2-core), while Core i9-11900 needs a discrete GPU.

Trade-offs

❌
2.3% HIGHER MSRP
$449 MSRPvs$439 MSRP
❌84.6% higher power demand at 120W vs 65W.

Quick Answers

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

Yes. Ryzen 7 7800X3D is the better all-around CPU here. It gives you a 29.1% average FPS lead across 30 shared CPU game tests in our data, 52.9% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 7800X3D is the better pick. According to our tests, it delivers 29.1% more average FPS across 30 shared CPU game tests. It also has a clear cache advantage at 96 MB versus 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 stronger fit. You are getting 52.9% better PassMark, backed by 8 cores and 16 threads. It also has 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 better buy right now. Ryzen 7 7800X3D comes in 2.3% more expensive on MSRP at $449 MSRP versus $439 MSRP, and it still gives you a 29.1% average FPS lead across 30 shared CPU game tests in our data. It is also 49.5% better value on MSRP (76.4 vs 51.1 PassMark/$), so you are getting the faster CPU without taking a value hit on paper. That said, if you already own a compatible LGA1200 + DDR4 setup, Core i9-11900 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 makes more sense long term 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 gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-11900 vs Ryzen 7 7800X3D Technical Specifications

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

Core i9-11900

The Core i9-11900 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: 22,422 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.

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Processing Power

Both the Core i9-11900 and Ryzen 7 7800X3D share an identical 8-core/16-thread configuration. Boost clocks reach 5.1 GHz on the Core i9-11900 versus 5 GHz on the Ryzen 7 7800X3D — a 2% clock advantage for the Core i9-11900 (base: 2.5 GHz vs 4.4 GHz). The Core i9-11900 uses the Rocket Lake (2021) architecture (14 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core i9-11900 scores 22,422 against the Ryzen 7 7800X3D's 34,293 — a 41.9% lead for the Ryzen 7 7800X3D. L3 cache: 16 MB (total) on the Core i9-11900 vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	Core i9-11900	Ryzen 7 7800X3D
Cores / Threads	8 / 16	8 / 16
Boost Clock	5.1 GHz+2%	5 GHz
Base Clock	2.5 GHz	4.4 GHz+76%
L3 Cache	16 MB (total)	96 MB (total)+500%
L2 Cache	256K (per core)+25500%	1 MB (per core)
Process	14 nm	5 nm-64%
Architecture	Rocket Lake (2021)	Raphael (Zen4) (2022−2023)
PassMark	22,422	34,293+53%
Cinebench R23 Multi	—	18,500
Geekbench 6 Single	—	2,700
Geekbench 6 Multi	—	15,000

🧠

Memory & Platform

The Core i9-11900 uses the LGA1200 socket (PCIe 3.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core i9-11900	Ryzen 7 7800X3D
Socket	LGA1200	AM5
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	—	DDR5-5200
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	28

🔧

Advanced Features

Virtualization: not specified (Core i9-11900) / AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Core i9-11900 requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

Feature	Core i9-11900	Ryzen 7 7800X3D
Integrated GPU	—	Yes
IGPU Model	—	AMD Radeon Graphics (2-core)
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	—	AMD-V
Target Use	—	Gaming

💰

Value Analysis

At launch, the Core i9-11900 was priced at $439, while the Ryzen 7 7800X3D came in at $449. On launch pricing ($439 vs $449), Core i9-11900 was $10 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-11900 delivers 51.1 pts/$ vs 76.4 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 39.7% better value option.

Feature	Core i9-11900	Ryzen 7 7800X3D
MSRP	$439-2%	$449
Performance per Dollar	51.1	76.4+50%
Release Date	2021	2023

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