Core i3-8140U vs Pentium Gold G5620

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 i3-8140U vs Pentium Gold G5620 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 i3-8140U vs Pentium Gold G5620: Pros, Cons & Final Verdict

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

Core i3-8140U

2019

Why buy it

✅Draws 15W instead of 54W, a 39W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 620, while Pentium Gold G5620 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Pentium Gold G5620 across 48 shared CPU benchmark tests.
❌Lower PassMark (4,227 vs 4,251).

Pentium Gold G5620

2019

Why buy it

✅Better for gaming: +8.0% higher average FPS across 48 shared CPU benchmark tests.

Trade-offs

❌260% higher power demand at 54W vs 15W.
❌No integrated graphics, while Core i3-8140U can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Pentium Gold G5620 better than Core i3-8140U?

Yes. Pentium Gold G5620 is the better all-around CPU here. It gives you a 8.0% average FPS lead across 48 shared CPU game tests in our data and 0.6% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Pentium Gold G5620 is the better pick. According to our tests, it delivers 8.0% more average FPS across 48 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Pentium Gold G5620 is the stronger fit. You are getting 0.6% better PassMark, backed by 2 cores and 4 threads.

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

Pentium Gold G5620 still makes the most sense overall. Pentium Gold G5620 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 8.0% average FPS lead across 48 shared CPU game tests in our data.

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

Core i3-8140U is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Core i3-8140U vs Pentium Gold G5620 Technical Specifications

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

Core i3-8140U

The Core i3-8140U is manufactured by Intel. It was released in 1 October 2019 (6 years ago). It features 2 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 3.9 GHz. L3 cache: 4 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2400, LPDDR3-2133. Passmark benchmark score: 4,227 points. Launch price was $69.

Pentium Gold G5620

The Pentium Gold G5620 is manufactured by Intel. It was released in 20 February 2019 (6 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 2 cores and 4 threads. Base frequency is 4 GHz, with boost up to 4 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 54 Watt. Memory support: DDR4-2400. Passmark benchmark score: 4,251 points. Launch price was $93.

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Processing Power

Both the Core i3-8140U and Pentium Gold G5620 share an identical 2-core/4-thread configuration. Boost clocks reach 3.9 GHz on the Core i3-8140U versus 4 GHz on the Pentium Gold G5620 — a 2.5% clock advantage for the Pentium Gold G5620 (base: 2.1 GHz vs 4 GHz). The Pentium Gold G5620 is built on the Coffee Lake (2017−2019) architecture. In PassMark, the Core i3-8140U scores 4,227 against the Pentium Gold G5620's 4,251 — a 0.6% lead for the Pentium Gold G5620. L3 cache: 4 MB Intel® Smart Cache on the Core i3-8140U vs 4 MB (total) on the Pentium Gold G5620.

Feature	Core i3-8140U	Pentium Gold G5620
Cores / Threads	2 / 4	2 / 4
Boost Clock	3.9 GHz	4 GHz+3%
Base Clock	2.1 GHz	4 GHz+90%
L3 Cache	4 MB Intel® Smart Cache	4 MB (total)
L2 Cache	—	256K (per core)
Process	14 nm	14 nm
Architecture	—	Coffee Lake (2017−2019)
PassMark	4,227	4,251
Geekbench 6 Single	1,225	—

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Memory & Platform

The Core i3-8140U uses the FCBGA1528 socket (PCIe 3.0), while the Pentium Gold G5620 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i3-8140U	Pentium Gold G5620
Socket	FCBGA1528	LGA1151
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2400	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i3-8140U) / not specified (Pentium Gold G5620). The Core i3-8140U includes integrated graphics (UHD Graphics 620), while the Pentium Gold G5620 requires a dedicated GPU. Primary use case: Core i3-8140U targets Mainstream Laptop. Direct competitor: Core i3-8140U rivals Ryzen 3 3300U.