Core i5-10400F vs Ryzen 9 9900X3D

CPU

GPU

Core i5-10400F

6 Cores12 Thrd65 WWMax: 4.3 GHz2020

Core family

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Ryzen 9 9900X3D

12 Cores24 Thrd120 WWMax: 5.5 GHz2025

Ryzen family

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Core i5-10400F vs Ryzen 9 9900X3D Performance Spectrum

Core i5-10400F

6 / 12

13,029

0.0%

56,301

+332.1%

Ryzen AI Max PRO 385

Ryzen 7 9700X

Ryzen AI Max PRO 390

Ryzen Threadripper PRO 7945WX

Ryzen 9 9950X3D

Ryzen Threadripper PRO 3995WX

Ryzen Threadripper 7970X

Ryzen Threadripper PRO 7985WX

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 i5-10400F vs Ryzen 9 9900X3D 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 i5-10400F vs Ryzen 9 9900X3D: Pros, Cons & Final Verdict

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

Core i5-10400F

2020

Why buy it

✅Costs $439 less on MSRP ($160 MSRP vs $599 MSRP).
✅Draws 65W instead of 120W, a 55W reduction.
✅Includes a boxed cooler (Yes), unlike Ryzen 9 9900X3D.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 9900X3D across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (5,783 vs 26,000).
❌Lower PassMark per dollar, at 81.4 vs 94.0 PassMark/$ ($160 MSRP vs $599 MSRP).
❌Older platform position on LGA1200 with DDR4, while Ryzen 9 9900X3D moves to AM5 and DDR5.
❌No integrated graphics, while Ryzen 9 9900X3D can still boot and troubleshoot without a discrete GPU.

Ryzen 9 9900X3D

2025

Why buy it

✅Better for gaming: +56.0% higher average FPS across 50 shared CPU benchmark tests.
✅Delivers 15.4% more PassMark for each dollar spent, at 94.0 vs 81.4 PassMark/$ ($599 MSRP vs $160 MSRP).
✅Newer platform on AM5 with DDR5 support instead of LGA1200 and DDR4.
✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon Graphics (2 Cores), while Core i5-10400F needs a discrete GPU.

Trade-offs

❌
274.4% HIGHER MSRP
$599 MSRPvs$160 MSRP
❌84.6% higher power demand at 120W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Ryzen 9 9900X3D better than Core i5-10400F?

Yes. Ryzen 9 9900X3D is the better all-around CPU here. It gives you a 56.0% average FPS lead across 50 shared CPU game tests in our data, 349.6% better Geekbench multi-core, 332.1% higher 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 9 9900X3D is the better pick. According to our tests, it delivers 56.0% more average FPS across 50 shared CPU game tests. It also has a clear cache advantage at 128 MB versus 12 MB.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 9900X3D is the stronger fit. You are getting 349.6% better Geekbench multi-core, backed by 12 cores and 24 threads. It also has the larger cache pool with 966.7% larger total L3 cache (128 MB vs 12 MB).

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

Ryzen 9 9900X3D is the better buy right now. Ryzen 9 9900X3D comes in 274.4% more expensive on MSRP at $599 MSRP versus $160 MSRP, and it still gives you a 56.0% average FPS lead across 50 shared CPU game tests in our data. It is also 15.4% better value on MSRP (94.0 vs 81.4 PassMark/$), 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 i5-10400F 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 9 9900X3D makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2020), a healthier platform with AM5 and DDR5 instead of LGA1200, 3D V-Cache and a much larger 128 MB L3 cache instead of 12 MB, and more multi-core headroom with 12 cores / 24 threads instead of 6/12. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-10400F vs Ryzen 9 9900X3D Technical Specifications

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

Core i5-10400F

The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.

Ryzen 9 9900X3D

The Ryzen 9 9900X3D is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.4 GHz, with boost up to 5.5 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 56,301 points. Launch price was $599.

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Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Ryzen 9 9900X3D offers 12 cores / 24 threads — the Ryzen 9 9900X3D has 6 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 5.5 GHz on the Ryzen 9 9900X3D — a 24.5% clock advantage for the Ryzen 9 9900X3D (base: 2.9 GHz vs 4.4 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Ryzen 9 9900X3D uses Granite Ridge (2024−2025) (4 nm). In PassMark, the Core i5-10400F scores 13,029 against the Ryzen 9 9900X3D's 56,301 — a 124.8% lead for the Ryzen 9 9900X3D. Geekbench 6 single-core — the metric most relevant to gaming — records 1,454 vs 3,400, a 80.2% lead for the Ryzen 9 9900X3D that directly translates to higher frame rates. Multi-core Geekbench: 5,783 vs 26,000 (127.2% advantage for the Ryzen 9 9900X3D). L3 cache: 12 MB (total) on the Core i5-10400F vs 128 MB (total) on the Ryzen 9 9900X3D.

Feature	Core i5-10400F	Ryzen 9 9900X3D
Cores / Threads	6 / 12	12 / 24+100%
Boost Clock	4.3 GHz	5.5 GHz+28%
Base Clock	2.9 GHz	4.4 GHz+52%
L3 Cache	12 MB (total)	128 MB (total)+967%
L2 Cache	256K (per core)+25500%	1 MB (per core)
Process	14 nm	4 nm-71%
Architecture	Comet Lake (2020−2025)	Granite Ridge (2024−2025)
PassMark	13,029	56,301+332%
Cinebench R23 Multi	8,191	—
Geekbench 6 Single	1,454	3,400+134%
Geekbench 6 Multi	5,783	26,000+350%

🧠

Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Ryzen 9 9900X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus DDR5-5600 on the Ryzen 9 9900X3D — the Ryzen 9 9900X3D supports 110.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 9900X3D supports up to 192 GB of RAM compared to 128 GB — 50% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-10400F) vs 24 (Ryzen 9 9900X3D) — the Ryzen 9 9900X3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and X670,X670E,X870,X870E (Ryzen 9 9900X3D).

Feature	Core i5-10400F	Ryzen 9 9900X3D
Socket	LGA1200	AM5
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2666	DDR5-5600+110%
Max RAM Capacity	128 GB	192 GB+50%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	24+50%

🔧

Advanced Features

Only the Ryzen 9 9900X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 9 9900X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i5-10400F) vs AMD-V (Ryzen 9 9900X3D). The Ryzen 9 9900X3D includes integrated graphics (AMD Radeon Graphics (2 Cores)), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core i5-10400F targets Gaming, Ryzen 9 9900X3D targets High End Gaming/Creation. Direct competitor: Core i5-10400F rivals Ryzen 5 3600; Ryzen 9 9900X3D rivals Core Ultra 9 285K.

Feature	Core i5-10400F	Ryzen 9 9900X3D
Integrated GPU	No	Yes
IGPU Model	—	AMD Radeon Graphics (2 Cores)
Unlocked	No	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	AMD-V
Target Use	Gaming	High End Gaming/Creation

💰

Value Analysis

At launch, the Core i5-10400F was priced at $160, while the Ryzen 9 9900X3D came in at $599. On launch pricing ($160 vs $599), Core i5-10400F was $439 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 94.0 pts/$ for the Ryzen 9 9900X3D — making the Ryzen 9 9900X3D the 14.3% better value option.

Feature	Core i5-10400F	Ryzen 9 9900X3D
MSRP	$160-73%	$599
Performance per Dollar	81.4	94.0+15%
Release Date	2020	2025

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