Core i5-14600 vs Ryzen 9 3900X

CPU

GPU

Core i5-14600

14 Cores20 Thrd65 WWMax: 5.2 GHz2024

Core family

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Ryzen 9 3900X

12 Cores24 Thrd105 WWMax: 4.6 GHz2019

Ryzen family

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Core i5-14600 vs Ryzen 9 3900X Performance Spectrum

Core i5-14600

14 / 20

32,319

0.0%

32,517

+0.6%

Ryzen Threadripper PRO 5955WX

Ryzen 9 9950X

Ryzen Threadripper PRO 7965WX

Ryzen Threadripper PRO 7975WX

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 i5-14600 vs Ryzen 9 3900X 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 i5-14600 vs Ryzen 9 3900X: Pros, Cons & Final Verdict

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

Core i5-14600

2024

Why buy it

✅Costs $244 less on MSRP ($255 MSRP vs $499 MSRP).
✅Delivers 94.5% more PassMark for each dollar spent, at 126.7 vs 65.2 PassMark/$ ($255 MSRP vs $499 MSRP).
✅Draws 65W instead of 105W, a 40W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with UHD Graphics 770, while Ryzen 9 3900X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 3900X across 50 shared CPU benchmark tests.
❌Lower PassMark (32,319 vs 32,517).
❌Smaller total L3 cache (24 MB vs 64 MB).
❌No boxed cooler included, unlike Ryzen 9 3900X.

Ryzen 9 3900X

2019

Why buy it

✅Better for gaming: +34.1% higher average FPS across 50 shared CPU benchmark tests.
✅+166.7% larger total L3 cache (64 MB vs 24 MB).
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Wraith Prism), unlike Core i5-14600.

Trade-offs

❌Lower PassMark per dollar, at 65.2 vs 126.7 PassMark/$ ($499 MSRP vs $255 MSRP).
❌61.5% higher power demand at 105W vs 65W.
❌Older platform position on AM4 with DDR4, while Core i5-14600 moves to LGA1700 and DDR5.
❌No integrated graphics, while Core i5-14600 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 9 3900X better than Core i5-14600?

Yes. Ryzen 9 3900X is the better all-around CPU here. It gives you a 34.1% average FPS lead across 50 shared CPU game tests in our data and 0.6% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 3900X is the better pick. According to our tests, it delivers 34.1% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 3900X is the stronger fit. You are getting 0.6% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 166.7% larger total L3 cache (64 MB vs 24 MB).

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

Ryzen 9 3900X is still the faster CPU overall, but Core i5-14600 is easier to justify if budget matters more than peak performance. Ryzen 9 3900X comes in 95.7% more expensive on MSRP at $499 MSRP versus $255 MSRP, and it still gives you a 34.1% average FPS lead across 50 shared CPU game tests in our data. Core i5-14600 is also 94.5% better value on MSRP (126.7 vs 65.2 PassMark/$), which is why it can still make sense for tighter-budget builds on paper. That said, if you already own a compatible LGA1700 + DDR5 setup, Core i5-14600 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?

Core i5-14600 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2019) and a healthier platform with LGA1700 and DDR5 instead of AM4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-14600 vs Ryzen 9 3900X Technical Specifications

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

Core i5-14600

The Core i5-14600 is manufactured by Intel. It was released in 8 January 2024 (1 year ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 14 cores and 20 threads. Base frequency is 2.7 GHz, with boost up to 5.2 GHz. L3 cache: 24 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-5600, DDR4-3200. Passmark benchmark score: 32,319 points. Launch price was $255.

Ryzen 9 3900X

The Ryzen 9 3900X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.8 GHz, with boost up to 4.6 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 125 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 32,517 points. Launch price was $499.

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Processing Power

The Core i5-14600 packs 14 cores / 20 threads, while the Ryzen 9 3900X offers 12 cores / 24 threads — the Core i5-14600 has 2 more cores. Boost clocks reach 5.2 GHz on the Core i5-14600 versus 4.6 GHz on the Ryzen 9 3900X — a 12.2% clock advantage for the Core i5-14600 (base: 2.7 GHz vs 3.8 GHz). The Core i5-14600 uses the Raptor Lake-R (2023−2025) architecture (Intel 7 nm), while the Ryzen 9 3900X uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Core i5-14600 scores 32,319 against the Ryzen 9 3900X's 32,517 — a 0.6% lead for the Ryzen 9 3900X. L3 cache: 24 MB (total) on the Core i5-14600 vs 64 MB on the Ryzen 9 3900X.

Feature	Core i5-14600	Ryzen 9 3900X
Cores / Threads	14 / 20+17%	12 / 24
Boost Clock	5.2 GHz+13%	4.6 GHz
Base Clock	2.7 GHz	3.8 GHz+41%
L3 Cache	24 MB (total)	64 MB+167%
L2 Cache	2 MB (per core)	512K (per core)+25500%
Process	Intel 7 nm	7 nm, 12 nm
Architecture	Raptor Lake-R (2023−2025)	Matisse (Zen 2) (2019−2020)
PassMark	32,319	32,517
Geekbench 6 Single	—	1,300
Geekbench 6 Multi	—	12,000

🧠

Memory & Platform

The Core i5-14600 uses the LGA1700 socket (PCIe 4.0), while the Ryzen 9 3900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Core i5-14600 versus DDR4-3200 on the Ryzen 9 3900X — the Core i5-14600 supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-14600 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: 20 (Core i5-14600) vs 24 (Ryzen 9 3900X) — the Ryzen 9 3900X offers 4 more lanes for additional GPUs or NVMe drives.

Feature	Core i5-14600	Ryzen 9 3900X
Socket	LGA1700	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR5-5600+75%	DDR4-3200
Max RAM Capacity	192 GB+50%	128 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20	24+20%

🔧

Advanced Features

Only the Ryzen 9 3900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i5-14600) vs AMD-V (Ryzen 9 3900X). The Core i5-14600 includes integrated graphics (UHD Graphics 770), while the Ryzen 9 3900X requires a dedicated GPU. Primary use case: Core i5-14600 targets Desktop, Ryzen 9 3900X targets Workstation.

Feature	Core i5-14600	Ryzen 9 3900X
Integrated GPU	Yes	No
IGPU Model	UHD Graphics 770	None
Unlocked	No	Yes
AVX-512	No	No
Virtualization	VT-x, VT-d	AMD-V
Target Use	Desktop	Workstation

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Value Analysis

At launch, the Core i5-14600 was priced at $255, while the Ryzen 9 3900X came in at $499. On launch pricing ($255 vs $499), Core i5-14600 was $244 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-14600 delivers 126.7 pts/$ vs 65.2 pts/$ for the Ryzen 9 3900X — making the Core i5-14600 the 64.2% better value option.

Feature	Core i5-14600	Ryzen 9 3900X
MSRP	$255-49%	$499
Performance per Dollar	126.7+94%	65.2
Release Date	2024	2019

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