Core i3-11100B vs Ryzen 7 3700X

Core i3-11100B vs Ryzen 7 3700X Performance Spectrum

Core i3-11100B

4 / 8

11,357

0.0%

22,430

+97.5%

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 i3-11100B 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 i3-11100B 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 i3-11100B

2021

Why buy it

✅Integrated graphics onboard with UHD Graphics for 11th Gen (16 EU), 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 (11,357 vs 22,430).
❌Smaller total L3 cache (12 MB vs 32 MB).

Ryzen 7 3700X

2019

Why buy it

✅Better for gaming: +50.1% higher average FPS across 50 shared CPU benchmark tests.
✅+166.7% larger total L3 cache (32 MB vs 12 MB).
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $329 MSRP, while Core i3-11100B mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Core i3-11100B can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 7 3700X better than Core i3-11100B?

Yes. Ryzen 7 3700X is the better all-around CPU here. It gives you a 50.1% average FPS lead across 50 shared CPU game tests in our data and 97.5% better PassMark, 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 50.1% 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 7 3700X is the stronger fit. You are getting 97.5% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 166.7% larger total L3 cache (32 MB vs 12 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 at an unclear MSRP at $329 MSRP versus unclear MSRP, and it still gives you a 50.1% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (68.2 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i3-11100B makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2019). That makes it the safer long-term bet.

Core i3-11100B vs Ryzen 7 3700X Technical Specifications

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

Core i3-11100B

The Core i3-11100B is manufactured by Intel. It was released in 1 April 2021 (4 years ago). It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 12 MB. Built on 10 nm SuperFin process technology. Thermal design power (TDP): 65 Watt. Memory support: Up to 3200 MT/s. Passmark benchmark score: 11,357 points. Launch price was $149.

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 Core i3-11100B packs 4 cores / 8 threads, while the Ryzen 7 3700X offers 8 cores / 16 threads — the Ryzen 7 3700X has 4 more cores. Boost clocks reach 4.4 GHz on the Core i3-11100B versus 4.4 GHz on the Ryzen 7 3700X — identical boost frequencies (base: 3.6 GHz vs 3.6 GHz). The Ryzen 7 3700X is built on the Matisse (Zen 2) (2019−2020) architecture. In PassMark, the Core i3-11100B scores 11,357 against the Ryzen 7 3700X's 22,430 — a 65.5% lead for the Ryzen 7 3700X. L3 cache: 12 MB on the Core i3-11100B vs 32 MB on the Ryzen 7 3700X.

Feature	Core i3-11100B	Ryzen 7 3700X
Cores / Threads	4 / 8	8 / 16+100%
Boost Clock	4.4 GHz	4.4 GHz
Base Clock	3.6 GHz	3.6 GHz
L3 Cache	12 MB	32 MB+167%
L2 Cache	—	512K (per core)
Process	10 nm SuperFin	7 nm, 12 nm-30%
Architecture	—	Matisse (Zen 2) (2019−2020)
PassMark	11,357	22,430+97%
Geekbench 6 Single	1,402	—

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Memory & Platform

Both support up to DDR4-3200 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i3-11100B) vs 24 (Ryzen 7 3700X) — the Ryzen 7 3700X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H470,Z490,H510,B560,H570,Z590 (Core i3-11100B) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 3700X).

Feature	Core i3-11100B	Ryzen 7 3700X
Socket	—	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	DDR4-3200
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	24+20%

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i3-11100B) / not specified (Ryzen 7 3700X). The Core i3-11100B includes integrated graphics (UHD Graphics for 11th Gen (16 EU)), while the Ryzen 7 3700X requires a dedicated GPU. Primary use case: Core i3-11100B targets Desktop. Direct competitor: Core i3-11100B rivals Ryzen 3 5300G.