Pentium III 1400 vs Ryzen 7 3700X

Pentium III 1400 vs Ryzen 7 3700X Performance Spectrum

Pentium III 1400

1 / 1

228

0.0%

22,430

+9737.7%

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 III 1400 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 III 1400 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 III 1400

2001

Why buy it

✅Costs $79 less on MSRP ($250 MSRP vs $329 MSRP).
✅Draws 31W instead of 65W, a 34W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 3700X across 50 shared CPU benchmark tests.
❌Lower PassMark (228 vs 22,430).
❌Lower PassMark per dollar, at 0.9 vs 68.2 PassMark/$ ($250 MSRP vs $329 MSRP).

Ryzen 7 3700X

2019

Why buy it

✅Better for gaming: +4003.3% higher average FPS across 50 shared CPU benchmark tests.
✅Delivers 7375.5% more PassMark for each dollar spent, at 68.2 vs 0.9 PassMark/$ ($329 MSRP vs $250 MSRP).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌
31.6% HIGHER MSRP
$329 MSRPvs$250 MSRP
❌109.7% higher power demand at 65W vs 31W.

Quick Answers

So, is Ryzen 7 3700X better than Pentium III 1400?

Yes. Ryzen 7 3700X is the better all-around CPU here. It gives you a 4003.3% average FPS lead across 50 shared CPU game tests in our data, 9737.7% 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 4003.3% 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 9737.7% better PassMark, backed by 8 cores and 16 threads.

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 31.6% more expensive on MSRP at $329 MSRP versus $250 MSRP, and it still gives you a 4003.3% average FPS lead across 50 shared CPU game tests in our data. It is also 7375.5% better value on MSRP (68.2 vs 0.9 PassMark/$), 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 2001) and more multi-core headroom with 8 cores / 16 threads instead of 1/1. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Pentium III 1400 vs Ryzen 7 3700X Technical Specifications

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

Pentium III 1400

The Pentium III 1400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Tualatin (2000−2002) architecture. It features 1 cores and 1 threads. Max frequency: 1.4 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 130 nm process technology. Socket: PGA370. Thermal design power (TDP): 31 Watt. Passmark benchmark score: 228 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 III 1400 packs 1 cores / 1 threads, while the Ryzen 7 3700X offers 8 cores / 16 threads — the Ryzen 7 3700X has 7 more cores. Boost clocks reach 1.4 GHz on the Pentium III 1400 versus 4.4 GHz on the Ryzen 7 3700X — a 103.4% clock advantage for the Ryzen 7 3700X. The Pentium III 1400 uses the Tualatin (2000−2002) architecture (130 nm), while the Ryzen 7 3700X uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Pentium III 1400 scores 228 against the Ryzen 7 3700X's 22,430 — a 196% lead for the Ryzen 7 3700X. L3 cache: 0 kB on the Pentium III 1400 vs 32 MB on the Ryzen 7 3700X.

Feature	Pentium III 1400	Ryzen 7 3700X
Cores / Threads	1 / 1	8 / 16+700%
Boost Clock	1.4 GHz	4.4 GHz+214%
Base Clock	—	3.6 GHz
L3 Cache	0 kB	32 MB
L2 Cache	256 kB	512K (per core)+100%
Process	130 nm	7 nm, 12 nm-95%
Architecture	Tualatin (2000−2002)	Matisse (Zen 2) (2019−2020)
PassMark	228	22,430+9738%

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Memory & Platform

The Pentium III 1400 uses the PGA370 socket (PCIe 1.1), while the Ryzen 7 3700X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Pentium III 1400	Ryzen 7 3700X
Socket	PGA370	AM4
PCIe Generation	PCIe 1.1	PCIe 4.0+264%
Max RAM Speed	—	DDR4-3200
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	24

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Value Analysis

At launch, the Pentium III 1400 was priced at $250, while the Ryzen 7 3700X came in at $329. On launch pricing ($250 vs $329), Pentium III 1400 was $79 cheaper. In terms of value on MSRP (PassMark points per dollar), the Pentium III 1400 delivers 0.9 pts/$ vs 68.2 pts/$ for the Ryzen 7 3700X — making the Ryzen 7 3700X the 194.7% better value option.

Feature	Pentium III 1400	Ryzen 7 3700X
MSRP	$250-24%	$329
Performance per Dollar	0.9	68.2+7478%
Release Date	2001	2019

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