Core i5-2405S vs Ryzen 7 3700X

CPU

GPU

Core i5-2405S

4 Cores4 Thrd65 WWMax: 3.3 GHz2011

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Ryzen 7 3700X

8 Cores16 Thrd65 WWMax: 4.4 GHz2019

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Core i5-2405S vs Ryzen 7 3700X Performance Spectrum

Core i5-2405S

4 / 4

3,397

0.0%

22,430

+560.3%

Ryzen Threadripper PRO 3955WX

Ryzen 9 9900X3D

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

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 i5-2405S vs Ryzen 7 3700X 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 i5-2405S vs Ryzen 7 3700X: Pros, Cons & Final Verdict

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

Core i5-2405S

2011

Why buy it

✅Costs $20 less on MSRP ($309 MSRP vs $329 MSRP).
✅Integrated graphics onboard with Intel HD Graphics 3000, while Ryzen 7 3700X needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike Ryzen 7 3700X.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 3700X across 45 shared CPU benchmark tests.
❌Lower PassMark (3,397 vs 22,430).
❌Smaller total L3 cache (6 MB vs 32 MB).
❌Lower PassMark per dollar, at 11.0 vs 68.2 PassMark/$ ($309 MSRP vs $329 MSRP).

Ryzen 7 3700X

2019

Why buy it

✅Better for gaming: +252.5% higher average FPS across 45 shared CPU benchmark tests.
✅+433.3% larger total L3 cache (32 MB vs 6 MB).
✅Delivers 520.1% more PassMark for each dollar spent, at 68.2 vs 11.0 PassMark/$ ($329 MSRP vs $309 MSRP).
✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌
6.5% HIGHER MSRP
$329 MSRPvs$309 MSRP
❌No integrated graphics, while Core i5-2405S can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i5-2405S.

Quick Answers

So, is Ryzen 7 3700X better than Core i5-2405S?

Yes. Ryzen 7 3700X is the better all-around CPU here. It gives you a 252.5% average FPS lead across 45 shared CPU game tests in our data, 560.3% 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 3700X is the better pick. According to our tests, it delivers 252.5% more average FPS across 45 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 3700X is the stronger fit. You are getting 560.3% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 433.3% larger total L3 cache (32 MB vs 6 MB).

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

Ryzen 7 3700X is the better buy right now. Ryzen 7 3700X comes in 6.5% more expensive on MSRP at $329 MSRP versus $309 MSRP, and it still gives you a 252.5% average FPS lead across 45 shared CPU game tests in our data. It is also 520.1% better value on MSRP (68.2 vs 11.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Ryzen 7 3700X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2011), 433.3% larger total L3 cache (32 MB vs 6 MB), and more multi-core headroom with 8 cores / 16 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-2405S vs Ryzen 7 3700X Technical Specifications

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

Core i5-2405S

The Core i5-2405S is manufactured by Intel. It was released in 22 May 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 3.3 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 3,397 points. Launch price was $472.

Ryzen 7 3700X

The Ryzen 7 3700X 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 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 22,430 points. Launch price was $329.

⚡

Processing Power

The Core i5-2405S packs 4 cores / 4 threads, while the Ryzen 7 3700X offers 8 cores / 16 threads — the Ryzen 7 3700X has 4 more cores. Boost clocks reach 3.3 GHz on the Core i5-2405S versus 4.4 GHz on the Ryzen 7 3700X — a 28.6% clock advantage for the Ryzen 7 3700X (base: 2.5 GHz vs 3.6 GHz). The Core i5-2405S uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Ryzen 7 3700X uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Core i5-2405S scores 3,397 against the Ryzen 7 3700X's 22,430 — a 147.4% lead for the Ryzen 7 3700X. L3 cache: 6 MB (total) on the Core i5-2405S vs 32 MB on the Ryzen 7 3700X.

Feature	Core i5-2405S	Ryzen 7 3700X
Cores / Threads	4 / 4	8 / 16+100%
Boost Clock	3.3 GHz	4.4 GHz+33%
Base Clock	2.5 GHz	3.6 GHz+44%
L3 Cache	6 MB (total)	32 MB+433%
L2 Cache	256 kB (per core)	512K (per core)+100%
Process	32 nm	7 nm, 12 nm-78%
Architecture	Sandy Bridge (2011−2013)	Matisse (Zen 2) (2019−2020)
PassMark	3,397	22,430+560%
Geekbench 6 Single	557	—
Geekbench 6 Multi	1,480	—

🧠

Memory & Platform

The Core i5-2405S uses the LGA1155 socket (PCIe 2.0), while the Ryzen 7 3700X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Core i5-2405S versus DDR4-3200 on the Ryzen 7 3700X — the Ryzen 7 3700X supports 140.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 3700X supports up to 128 GB of RAM compared to 32 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-2405S) vs 24 (Ryzen 7 3700X) — the Ryzen 7 3700X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H61,B65,Q65,H67,P67,Z68,B75,Z77 (Core i5-2405S) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 3700X).

Feature	Core i5-2405S	Ryzen 7 3700X
Socket	LGA1155	AM4
PCIe Generation	PCIe 2.0	PCIe 4.0+100%
Max RAM Speed	DDR3-1333	DDR4-3200+140%
Max RAM Capacity	32 GB	128 GB+300%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	24+50%

🔧

Advanced Features

Virtualization: VT-x / EPT (Core i5-2405S) / not specified (Ryzen 7 3700X). The Core i5-2405S includes integrated graphics (Intel HD Graphics 3000), while the Ryzen 7 3700X requires a dedicated GPU. Primary use case: Core i5-2405S targets Budget.

Feature	Core i5-2405S	Ryzen 7 3700X
Integrated GPU	Yes	No
IGPU Model	Intel HD Graphics 3000	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x / EPT	—
Target Use	Budget	—

💰

Value Analysis

At launch, the Core i5-2405S was priced at $309, while the Ryzen 7 3700X came in at $329. On launch pricing ($309 vs $329), Core i5-2405S was $20 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-2405S delivers 11.0 pts/$ vs 68.2 pts/$ for the Ryzen 7 3700X — making the Ryzen 7 3700X the 144.5% better value option.

Feature	Core i5-2405S	Ryzen 7 3700X
MSRP	$309-6%	$329
Performance per Dollar	11.0	68.2+520%
Release Date	2011	2019

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