Core i7-9700K 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 i7-9700K 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 i7-9700K 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 i7-9700K

2018

Why buy it

✅Better for gaming: +244.8% higher average FPS across 50 shared CPU benchmark tests.
✅+200% larger total L3 cache (12 MB vs 4 MB).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Pentium Gold G6405T needs a discrete GPU.

Trade-offs

❌Launch MSRP is still $385 MSRP, while Pentium Gold G6405T mostly shows up through inconsistent older-market listings.
❌171.4% higher power demand at 95W vs 35W.

Pentium Gold G6405T

2021

Why buy it

✅Draws 35W instead of 95W, a 60W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
❌Lower PassMark (3,095 vs 14,397).
❌Smaller total L3 cache (4 MB vs 12 MB).
❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-9700K better than Pentium Gold G6405T?

Yes. Core i7-9700K is the better all-around CPU here. It gives you a 244.8% average FPS lead across 50 shared CPU game tests in our data and 365.2% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i7-9700K is the better pick. According to our tests, it delivers 244.8% 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 i7-9700K is the stronger fit. You are getting 365.2% better PassMark, backed by 8 cores and 8 threads. It also has the larger cache pool with 200% larger total L3 cache (12 MB vs 4 MB).

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

Core i7-9700K is the better buy right now. Core i7-9700K comes in at an unclear MSRP at $385 MSRP versus unclear MSRP, and it still gives you a 244.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (37.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper. That said, if you already own a compatible LGA1200 + DDR4 setup, Pentium Gold G6405T can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

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 2018). That makes it the safer long-term bet.

Core i7-9700K vs Pentium Gold G6405T Technical Specifications

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

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

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

The Core i7-9700K packs 8 cores / 8 threads, while the Pentium Gold G6405T offers 2 cores / 4 threads — the Core i7-9700K has 6 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 3.5 GHz on the Pentium Gold G6405T — a 33.3% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 3.5 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Pentium Gold G6405T uses Comet Lake-R (2021) (14 nm). In PassMark, the Core i7-9700K scores 14,397 against the Pentium Gold G6405T's 3,095 — a 129.2% lead for the Core i7-9700K. L3 cache: 12 MB (total) on the Core i7-9700K vs 4 MB (total) on the Pentium Gold G6405T.

Feature	Core i7-9700K	Pentium Gold G6405T
Cores / Threads	8 / 8+300%	2 / 4
Boost Clock	4.9 GHz+40%	3.5 GHz
Base Clock	3.6 GHz+3%	3.5 GHz
L3 Cache	12 MB (total)+200%	4 MB (total)
L2 Cache	256K (per core)	256 kB (per core)
Process	14 nm	14 nm
Architecture	Coffee Lake-R (2018−2019)	Comet Lake-R (2021)
PassMark	14,397+365%	3,095

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Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Pentium Gold G6405T uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i7-9700K	Pentium Gold G6405T
Socket	LGA1151	LGA1200
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i7-9700K) / not specified (Pentium Gold G6405T). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Pentium Gold G6405T requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.