Core i7-8705G vs Ryzen 7 3700X

Core i7-8705G vs Ryzen 7 3700X Performance Spectrum

Core i7-8705G

4 / 8

7,633

0.0%

22,430

+193.9%

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 i7-8705G 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 i7-8705G 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 i7-8705G

2018

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 3700X across 50 shared CPU benchmark tests.
❌Lower PassMark (7,633 vs 22,430).
❌Smaller total L3 cache (8 MB vs 32 MB).
❌Lower PassMark per dollar, at 19.1 vs 68.2 PassMark/$ ($400 MSRP vs $329 MSRP).

Ryzen 7 3700X

2019

Why buy it

✅Better for gaming: +89.3% higher average FPS across 50 shared CPU benchmark tests.
✅+300% larger total L3 cache (32 MB vs 8 MB).
✅Costs $71 less on MSRP ($329 MSRP vs $400 MSRP).
✅Delivers 257.3% more PassMark for each dollar spent, at 68.2 vs 19.1 PassMark/$ ($329 MSRP vs $400 MSRP).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Ryzen 7 3700X better than Core i7-8705G?

Yes. Ryzen 7 3700X is the better all-around CPU here. It gives you a 89.3% average FPS lead across 50 shared CPU game tests in our data, 193.9% 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 89.3% 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 193.9% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 300% larger total L3 cache (32 MB vs 8 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 $71 cheaper on MSRP at $329 MSRP versus $400 MSRP, and it still gives you a 89.3% average FPS lead across 50 shared CPU game tests in our data. It is also 257.3% better value on MSRP (68.2 vs 19.1 PassMark/$), 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 2018), 300% larger total L3 cache (32 MB vs 8 MB), and more multi-core headroom with 8 cores / 16 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-8705G vs Ryzen 7 3700X Technical Specifications

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

Core i7-8705G

The Core i7-8705G is manufactured by Intel. It was released in 1 February 2018 (7 years ago). It is based on the Kaby Lake G (2018) architecture. It features 4 cores and 8 threads. Base frequency is 3.1 GHz, with boost up to 4.1 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA2270. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 7,633 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 i7-8705G 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 4.1 GHz on the Core i7-8705G versus 4.4 GHz on the Ryzen 7 3700X — a 7.1% clock advantage for the Ryzen 7 3700X (base: 3.1 GHz vs 3.6 GHz). The Core i7-8705G uses the Kaby Lake G (2018) architecture (14 nm), while the Ryzen 7 3700X uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Core i7-8705G scores 7,633 against the Ryzen 7 3700X's 22,430 — a 98.4% lead for the Ryzen 7 3700X. L3 cache: 8 MB (total) on the Core i7-8705G vs 32 MB on the Ryzen 7 3700X.

Feature	Core i7-8705G	Ryzen 7 3700X
Cores / Threads	4 / 8	8 / 16+100%
Boost Clock	4.1 GHz	4.4 GHz+7%
Base Clock	3.1 GHz	3.6 GHz+16%
L3 Cache	8 MB (total)	32 MB+300%
L2 Cache	256K (per core)	512K (per core)+100%
Process	14 nm	7 nm, 12 nm-50%
Architecture	Kaby Lake G (2018)	Matisse (Zen 2) (2019−2020)
PassMark	7,633	22,430+194%

🧠

Memory & Platform

The Core i7-8705G uses the FCBGA2270 socket (PCIe 3.0), while the Ryzen 7 3700X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i7-8705G	Ryzen 7 3700X
Socket	FCBGA2270	AM4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	—	DDR4-3200
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	24

💰

Value Analysis

At launch, the Core i7-8705G was priced at $400, while the Ryzen 7 3700X came in at $329. On launch pricing ($400 vs $329), Ryzen 7 3700X was $71 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-8705G delivers 19.1 pts/$ vs 68.2 pts/$ for the Ryzen 7 3700X — making the Ryzen 7 3700X the 112.5% better value option.

Feature	Core i7-8705G	Ryzen 7 3700X
MSRP	$400	$329-18%
Performance per Dollar	19.1	68.2+257%
Release Date	2018	2019

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