Core i5-6198DU vs Pentium Gold G6405T

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 i5-6198DU vs Pentium Gold G6405T 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 i5-6198DU vs Pentium Gold G6405T: Pros, Cons & Final Verdict

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

Core i5-6198DU

2015

Why buy it

✅+0.5% higher PassMark.
✅100+% more PCIe lanes (12 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 510, while Pentium Gold G6405T needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (3 MB vs 4 MB).
❌1362.9% higher power demand at 512W vs 35W.

Pentium Gold G6405T

2021

Why buy it

✅+33.3% larger total L3 cache (4 MB vs 3 MB).
✅Draws 35W instead of 512W, a 477W reduction.

Trade-offs

❌Lower PassMark (3,095 vs 3,109).
❌No integrated graphics, while Core i5-6198DU can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Pentium Gold G6405T better than Core i5-6198DU?

It depends on what you want from the system. For gaming, Pentium Gold G6405T is ahead with a 0.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-6198DU pulls ahead with 0.5% better PassMark. Pentium Gold G6405T also has the bigger cache pool with 33.3% larger total L3 cache (4 MB vs 3 MB).

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

For streaming, content creation, and heavier multitasking, Core i5-6198DU is the stronger fit. You are getting 0.5% better PassMark, backed by 2 cores and 4 threads.

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

Pentium Gold G6405T still makes the most sense overall. Pentium Gold G6405T comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 0.7% average FPS lead across 50 shared CPU game tests in our data.

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

Pentium Gold G6405T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2015) and 33.3% larger total L3 cache (4 MB vs 3 MB). That makes it the safer long-term bet.

Core i5-6198DU vs Pentium Gold G6405T Technical Specifications

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

Core i5-6198DU

The Core i5-6198DU is manufactured by Intel. It was released in 27 December 2015 (9 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 2.3 GHz, with boost up to 2.8 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,109 points. Launch price was $69.

Pentium Gold G6405T

The Pentium Gold G6405T is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 2 cores and 4 threads. Base frequency is 3.5 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,095 points. Launch price was $64.

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Processing Power

Both the Core i5-6198DU and Pentium Gold G6405T share an identical 2-core/4-thread configuration. Boost clocks reach 2.8 GHz on the Core i5-6198DU versus 3.5 GHz on the Pentium Gold G6405T — a 22.2% clock advantage for the Pentium Gold G6405T (base: 2.3 GHz vs 3.5 GHz). The Core i5-6198DU uses the Skylake (2015−2016) architecture (14 nm), while the Pentium Gold G6405T uses Comet Lake-R (2021) (14 nm). In PassMark, the Core i5-6198DU scores 3,109 against the Pentium Gold G6405T's 3,095 — a 0.5% lead for the Core i5-6198DU. L3 cache: 3 MB on the Core i5-6198DU vs 4 MB (total) on the Pentium Gold G6405T.

Feature	Core i5-6198DU	Pentium Gold G6405T
Cores / Threads	2 / 4	2 / 4
Boost Clock	2.8 GHz	3.5 GHz+25%
Base Clock	2.3 GHz	3.5 GHz+52%
L3 Cache	3 MB	4 MB (total)+33%
L2 Cache	512 kB+100%	256 kB (per core)
Process	14 nm	14 nm
Architecture	Skylake (2015−2016)	Comet Lake-R (2021)
PassMark	3,109	3,095
Geekbench 6 Single	946	—

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Memory & Platform

The Core i5-6198DU uses the BGA socket (PCIe 3.0), while the Pentium Gold G6405T uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i5-6198DU	Pentium Gold G6405T
Socket	BGA	LGA1200
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2133	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	12	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i5-6198DU) / not specified (Pentium Gold G6405T). The Core i5-6198DU includes integrated graphics (HD Graphics 510), while the Pentium Gold G6405T requires a dedicated GPU. Primary use case: Core i5-6198DU targets Entry Level Laptop. Direct competitor: Core i5-6198DU rivals A9-9410.