Core i5-9400 vs Ryzen 5 2500X

Core i5-9400 vs Ryzen 5 2500X Performance Spectrum

Core i5-9400

6 / 6

9,372

0.0%

9,388

+0.2%

Ryzen Threadripper PRO 3995WX

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 i5-9400 vs Ryzen 5 2500X 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 i5-9400 vs Ryzen 5 2500X: Pros, Cons & Final Verdict

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

Core i5-9400

2019

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Ryzen 5 2500X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 2500X across 50 shared CPU benchmark tests.
❌Lower PassMark (9,372 vs 9,388).
❌Smaller total L3 cache (9 MB vs 16 MB).
❌Lower PassMark per dollar, at 48.8 vs 59.0 PassMark/$ ($192 MSRP vs $159 MSRP).

Ryzen 5 2500X

2018

Why buy it

✅Better for gaming: +20.2% higher average FPS across 50 shared CPU benchmark tests.
✅+77.8% larger total L3 cache (16 MB vs 9 MB).
✅Costs $33 less on MSRP ($159 MSRP vs $192 MSRP).
✅Delivers 21.0% more PassMark for each dollar spent, at 59.0 vs 48.8 PassMark/$ ($159 MSRP vs $192 MSRP).

Trade-offs

❌No integrated graphics, while Core i5-9400 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 5 2500X better than Core i5-9400?

Yes. Ryzen 5 2500X is the better all-around CPU here. It gives you a 20.2% average FPS lead across 50 shared CPU game tests in our data and 0.2% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 5 2500X is the better pick. According to our tests, it delivers 20.2% 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 5 2500X is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 77.8% larger total L3 cache (16 MB vs 9 MB).

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

Ryzen 5 2500X is the better buy right now. Ryzen 5 2500X comes in $33 cheaper on MSRP at $159 MSRP versus $192 MSRP, and it still gives you a 20.2% average FPS lead across 50 shared CPU game tests in our data. It is also 21.0% better value on MSRP (59.0 vs 48.8 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i5-9400 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2018). That makes it the safer long-term bet.

Core i5-9400 vs Ryzen 5 2500X Technical Specifications

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

Core i5-9400

The Core i5-9400 is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 6 cores and 6 threads. Base frequency is 2.9 GHz, with boost up to 4.1 GHz. L3 cache: 9 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2666. Passmark benchmark score: 9,372 points. Launch price was $182.

Ryzen 5 2500X

The Ryzen 5 2500X is manufactured by AMD. It was released in 1 October 2018 (7 years ago). It is based on the Zen+ (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 9,388 points. Launch price was $149.

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Processing Power

The Core i5-9400 packs 6 cores / 6 threads, while the Ryzen 5 2500X offers 4 cores / 8 threads — the Core i5-9400 has 2 more cores. Boost clocks reach 4.1 GHz on the Core i5-9400 versus 4 GHz on the Ryzen 5 2500X — a 2.5% clock advantage for the Core i5-9400 (base: 2.9 GHz vs 3.6 GHz). The Core i5-9400 uses the Coffee Lake (2017−2019) architecture (14 nm), while the Ryzen 5 2500X uses Zen+ (2018−2019) (12 nm). In PassMark, the Core i5-9400 scores 9,372 against the Ryzen 5 2500X's 9,388 — a 0.2% lead for the Ryzen 5 2500X. L3 cache: 9 MB (total) on the Core i5-9400 vs 16 MB (total) on the Ryzen 5 2500X.

Feature	Core i5-9400	Ryzen 5 2500X
Cores / Threads	6 / 6+50%	4 / 8
Boost Clock	4.1 GHz+2%	4 GHz
Base Clock	2.9 GHz	3.6 GHz+24%
L3 Cache	9 MB (total)	16 MB (total)+78%
L2 Cache	256K (per core)	512K (per core)+100%
Process	14 nm	12 nm-14%
Architecture	Coffee Lake (2017−2019)	Zen+ (2018−2019)
PassMark	9,372	9,388

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Memory & Platform

The Core i5-9400 uses the LGA1151 socket (PCIe 3.0), while the Ryzen 5 2500X uses AM4 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i5-9400	Ryzen 5 2500X
Socket	LGA1151	AM4
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i5-9400) / not specified (Ryzen 5 2500X). The Core i5-9400 includes integrated graphics (UHD Graphics 630), while the Ryzen 5 2500X requires a dedicated GPU. Primary use case: Core i5-9400 targets Desktop.

Feature	Core i5-9400	Ryzen 5 2500X
Integrated GPU	Yes	—
IGPU Model	UHD Graphics 630	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—
Target Use	Desktop	—

💰

Value Analysis

At launch, the Core i5-9400 was priced at $192, while the Ryzen 5 2500X came in at $159. On launch pricing ($192 vs $159), Ryzen 5 2500X was $33 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-9400 delivers 48.8 pts/$ vs 59.0 pts/$ for the Ryzen 5 2500X — making the Ryzen 5 2500X the 19% better value option.

Feature	Core i5-9400	Ryzen 5 2500X
MSRP	$192	$159-17%
Performance per Dollar	48.8	59.0+21%
Release Date	2019	2018

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