Pentium U5400 vs Ryzen 7 3700X

CPU

GPU

Pentium U5400

2 Cores2 Thrd18 WWMax: 1.2 GHz2010

Similar parts

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Ryzen 7 3700X

8 Cores16 Thrd65 WWMax: 4.4 GHz2019

Ryzen family

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Pentium U5400 vs Ryzen 7 3700X Performance Spectrum

Pentium U5400

2 / 2

1,286

0.0%

22,430

+1644.2%

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.

Pentium U5400 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.

Pentium U5400 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.

Pentium U5400

2010

Why buy it

✅Costs $40 less on MSRP ($289 MSRP vs $329 MSRP).
✅Draws 18W instead of 65W, a 47W reduction.
✅Integrated graphics onboard with Intel HD Graphics (Ironlake), while Ryzen 7 3700X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 3700X across 50 shared CPU benchmark tests.
❌Lower PassMark (1,286 vs 22,430).
❌Smaller total L3 cache (3 MB vs 32 MB).
❌Lower PassMark per dollar, at 4.4 vs 68.2 PassMark/$ ($289 MSRP vs $329 MSRP).

Ryzen 7 3700X

2019

Why buy it

✅Better for gaming: +701.4% higher average FPS across 50 shared CPU benchmark tests.
✅+966.7% larger total L3 cache (32 MB vs 3 MB).
✅Delivers 1432.1% more PassMark for each dollar spent, at 68.2 vs 4.4 PassMark/$ ($329 MSRP vs $289 MSRP).
✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌
13.8% HIGHER MSRP
$329 MSRPvs$289 MSRP
❌261.1% higher power demand at 65W vs 18W.
❌No integrated graphics, while Pentium U5400 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 7 3700X better than Pentium U5400?

Yes. Ryzen 7 3700X is the better all-around CPU here. It gives you a 701.4% average FPS lead across 50 shared CPU game tests in our data, 1644.2% 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 701.4% 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 7 3700X is the stronger fit. You are getting 1644.2% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 966.7% larger total L3 cache (32 MB vs 3 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 13.8% more expensive on MSRP at $329 MSRP versus $289 MSRP, and it still gives you a 701.4% average FPS lead across 50 shared CPU game tests in our data. It is also 1432.1% better value on MSRP (68.2 vs 4.4 PassMark/$), 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 2010), 966.7% larger total L3 cache (32 MB vs 3 MB), and more multi-core headroom with 8 cores / 16 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Pentium U5400 vs Ryzen 7 3700X Technical Specifications

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

Pentium U5400

The Pentium U5400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.2 GHz, with boost up to 1.2 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,286 points. Launch price was $69.

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.

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Processing Power

The Pentium U5400 packs 2 cores / 2 threads, while the Ryzen 7 3700X offers 8 cores / 16 threads — the Ryzen 7 3700X has 6 more cores. Boost clocks reach 1.2 GHz on the Pentium U5400 versus 4.4 GHz on the Ryzen 7 3700X — a 114.3% clock advantage for the Ryzen 7 3700X (base: 1.2 GHz vs 3.6 GHz). The Pentium U5400 uses the Arrandale (2010−2011) architecture (32 nm), while the Ryzen 7 3700X uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Pentium U5400 scores 1,286 against the Ryzen 7 3700X's 22,430 — a 178.3% lead for the Ryzen 7 3700X. L3 cache: 3 MB (total) on the Pentium U5400 vs 32 MB on the Ryzen 7 3700X.

Feature	Pentium U5400	Ryzen 7 3700X
Cores / Threads	2 / 2	8 / 16+300%
Boost Clock	1.2 GHz	4.4 GHz+267%
Base Clock	1.2 GHz	3.6 GHz+200%
L3 Cache	3 MB (total)	32 MB+967%
L2 Cache	256K (per core)	512K (per core)+100%
Process	32 nm	7 nm, 12 nm-78%
Architecture	Arrandale (2010−2011)	Matisse (Zen 2) (2019−2020)
PassMark	1,286	22,430+1644%
Geekbench 6 Single	170	—
Geekbench 6 Multi	300	—

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Memory & Platform

The Pentium U5400 uses the BGA1288 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 DDR3-800 on the Pentium U5400 versus DDR4-3200 on the Ryzen 7 3700X — the Ryzen 7 3700X supports 300% 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 8 GB — 1500% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Pentium U5400) vs 24 (Ryzen 7 3700X) — the Ryzen 7 3700X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM55 (Pentium U5400) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 3700X).

Feature	Pentium U5400	Ryzen 7 3700X
Socket	BGA1288	AM4
PCIe Generation	PCIe 2.0	PCIe 4.0+100%
Max RAM Speed	DDR3-800	DDR4-3200+300%
Max RAM Capacity	8 GB	128 GB+1500%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	24+50%

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Advanced Features

Virtualization: VT-x (Pentium U5400) / not specified (Ryzen 7 3700X). The Pentium U5400 includes integrated graphics (Intel HD Graphics (Ironlake)), while the Ryzen 7 3700X requires a dedicated GPU. Primary use case: Pentium U5400 targets Legacy Budget Laptop.

Feature	Pentium U5400	Ryzen 7 3700X
Integrated GPU	Yes	No
IGPU Model	Intel HD Graphics (Ironlake)	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x	—
Target Use	Legacy Budget Laptop	—

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Value Analysis

At launch, the Pentium U5400 was priced at $289, while the Ryzen 7 3700X came in at $329. On launch pricing ($289 vs $329), Pentium U5400 was $40 cheaper. In terms of value on MSRP (PassMark points per dollar), the Pentium U5400 delivers 4.4 pts/$ vs 68.2 pts/$ for the Ryzen 7 3700X — making the Ryzen 7 3700X the 175.5% better value option.

Feature	Pentium U5400	Ryzen 7 3700X
MSRP	$289-12%	$329
Performance per Dollar	4.4	68.2+1450%
Release Date	2010	2019

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