Core i3-1115G4 vs Core i5-8365U

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 i3-1115G4 vs Core i5-8365U 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 i3-1115G4 vs Core i5-8365U: Pros, Cons & Final Verdict

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

Core i3-1115G4

2020

Why buy it

✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics for 11th Gen (48 EU), while Core i5-8365U needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-8365U across 50 shared CPU benchmark tests.
❌Lower PassMark (5,860 vs 5,939).

Core i5-8365U

2019

Why buy it

✅Better for gaming: +13.9% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌No integrated graphics, while Core i3-1115G4 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i5-8365U better than Core i3-1115G4?

Yes. Core i5-8365U is the better all-around CPU here. It gives you a 13.9% average FPS lead across 50 shared CPU game tests in our data and 1.3% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i5-8365U is the better pick. According to our tests, it delivers 13.9% 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, Core i5-8365U is the stronger fit. You are getting 1.3% better PassMark, backed by 4 cores and 8 threads.

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

Core i5-8365U still makes the most sense overall. Core i5-8365U comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 13.9% average FPS lead across 50 shared CPU game tests in our data.

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

Core i3-1115G4 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2019). That makes it the safer long-term bet.

Core i3-1115G4 vs Core i5-8365U Technical Specifications

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

Core i3-1115G4

The Core i3-1115G4 is manufactured by Intel. It was released in 2 September 2020 (5 years ago). It is based on the Tiger Lake-UP3 (2020−2021) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 4.1 GHz. L3 cache: 6 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 5,860 points. Launch price was $281.

Core i5-8365U

The Core i5-8365U is manufactured by Intel. It was released in 16 April 2019 (6 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 1.6 GHz, with boost up to 4.1 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 5,939 points. Launch price was $297.

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Processing Power

The Core i3-1115G4 packs 2 cores / 4 threads, while the Core i5-8365U offers 4 cores / 8 threads — the Core i5-8365U has 2 more cores. Boost clocks reach 4.1 GHz on the Core i3-1115G4 versus 4.1 GHz on the Core i5-8365U — identical boost frequencies (base: 2.2 GHz vs 1.6 GHz). The Core i3-1115G4 uses the Tiger Lake-UP3 (2020−2021) architecture (10 nm SuperFin), while the Core i5-8365U uses Whiskey Lake-U (2018−2019) (14 nm). In PassMark, the Core i3-1115G4 scores 5,860 against the Core i5-8365U's 5,939 — a 1.3% lead for the Core i5-8365U. Both processors carry 6 MB (total) of L3 cache.

Feature	Core i3-1115G4	Core i5-8365U
Cores / Threads	2 / 4	4 / 8+100%
Boost Clock	4.1 GHz	4.1 GHz
Base Clock	2.2 GHz+38%	1.6 GHz
L3 Cache	6 MB (total)	6 MB (total)
L2 Cache	1.25 MB (per core)+400%	256 kB (per core)
Process	10 nm SuperFin-29%	14 nm
Architecture	Tiger Lake-UP3 (2020−2021)	Whiskey Lake-U (2018−2019)
PassMark	5,860	5,939+1%
Geekbench 6 Single	1,579	—

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Memory & Platform

The Core i3-1115G4 uses the FCBGA1449 socket (PCIe 4.0), while the Core i5-8365U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i3-1115G4	Core i5-8365U
Socket	FCBGA1449	FCBGA1528
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR4-3200	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	4	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i3-1115G4) / not specified (Core i5-8365U). The Core i3-1115G4 includes integrated graphics (UHD Graphics for 11th Gen (48 EU)), while the Core i5-8365U requires a dedicated GPU. Primary use case: Core i3-1115G4 targets Mainstream Laptop. Direct competitor: Core i3-1115G4 rivals Ryzen 3 5300U.

Feature	Core i3-1115G4	Core i5-8365U
Integrated GPU	Yes	—
IGPU Model	UHD Graphics for 11th Gen (48 EU)	—
Unlocked	No	—
AVX-512	Yes	—
Virtualization	VT-x, VT-d, EPT	—
Target Use	Mainstream Laptop	—