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 G3420T 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 G3420T: 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: +396.6% higher average FPS across 50 shared CPU benchmark tests.
✅+300% larger total L3 cache (12 MB vs 3 MB).
✅Delivers 46.7% more PassMark for each dollar spent, at 37.4 vs 25.5 PassMark/$ ($385 MSRP vs $75 MSRP).

Trade-offs

❌
413.3% HIGHER MSRP
$385 MSRPvs$75 MSRP
❌171.4% higher power demand at 95W vs 35W.
❌No boxed cooler included, unlike Pentium G3420T.

Pentium G3420T

2013

Why buy it

✅Costs $310 less on MSRP ($75 MSRP vs $385 MSRP).
✅Draws 35W instead of 95W, a 60W reduction.
✅Includes a boxed cooler (Yes), unlike Core i7-9700K.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
❌Lower PassMark (1,912 vs 14,397).
❌Smaller total L3 cache (3 MB vs 12 MB).
❌Lower PassMark per dollar, at 25.5 vs 37.4 PassMark/$ ($75 MSRP vs $385 MSRP).

Quick Answers

So, is Core i7-9700K better than Pentium G3420T?

Yes. Core i7-9700K is the better all-around CPU here. It gives you a 396.6% average FPS lead across 50 shared CPU game tests in our data, 653% 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, Core i7-9700K is the better pick. According to our tests, it delivers 396.6% 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 653% better PassMark, backed by 8 cores and 8 threads. It also has the larger cache pool with 300% larger total L3 cache (12 MB vs 3 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 413.3% more expensive on MSRP at $385 MSRP versus $75 MSRP, and it still gives you a 396.6% average FPS lead across 50 shared CPU game tests in our data. It is also 46.7% better value on MSRP (37.4 vs 25.5 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i7-9700K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2013), 300% larger total L3 cache (12 MB vs 3 MB), and more multi-core headroom with 8 cores / 8 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-9700K vs Pentium G3420T 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 G3420T

The Pentium G3420T is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,912 points. Launch price was $75.

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Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Pentium G3420T offers 2 cores / 2 threads — the Core i7-9700K has 6 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 2.7 GHz on the Pentium G3420T — a 57.9% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 2.7 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Pentium G3420T uses Haswell (2013−2015) (22 nm). In PassMark, the Core i7-9700K scores 14,397 against the Pentium G3420T's 1,912 — a 153.1% lead for the Core i7-9700K. L3 cache: 12 MB (total) on the Core i7-9700K vs 3 MB (total) on the Pentium G3420T.

Feature	Core i7-9700K	Pentium G3420T
Cores / Threads	8 / 8+300%	2 / 2
Boost Clock	4.9 GHz+81%	2.7 GHz
Base Clock	3.6 GHz+33%	2.7 GHz
L3 Cache	12 MB (total)+300%	3 MB (total)
L2 Cache	256K (per core)	256 kB (per core)
Process	14 nm-36%	22 nm
Architecture	Coffee Lake-R (2018−2019)	Haswell (2013−2015)
PassMark	14,397+653%	1,912

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Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Pentium G3420T uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus DDR3-1600 on the Pentium G3420T — the Core i7-9700K supports 66.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-9700K supports up to 128 GB of RAM compared to 32 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: Intel 300 series (Core i7-9700K) and LGA1150 (Pentium G3420T).

Feature	Core i7-9700K	Pentium G3420T
Socket	LGA1151	LGA1150
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666+67%	DDR3-1600
Max RAM Capacity	128 GB+300%	32 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	16

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Advanced Features

Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d virtualization. Both include integrated graphics — UHD Graphics 630 (Core i7-9700K) and Intel HD Graphics (Pentium G3420T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

Feature	Core i7-9700K	Pentium G3420T
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 630	Intel HD Graphics
Unlocked	Yes	No
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Desktop	—

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Value Analysis

At launch, the Core i7-9700K was priced at $385, while the Pentium G3420T came in at $75. On launch pricing ($385 vs $75), Pentium G3420T was $310 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 25.5 pts/$ for the Pentium G3420T — making the Core i7-9700K the 37.8% better value option.

Feature	Core i7-9700K	Pentium G3420T
MSRP	$385	$75-81%
Performance per Dollar	37.4+47%	25.5
Release Date	2018	2013

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