Core i7-9700K vs Pentium G2120T

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 G2120T 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 G2120T: 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: +492.6% higher average FPS across 50 shared CPU benchmark tests.
✅+300% larger total L3 cache (12 MB vs 3 MB).
✅Delivers 101.7% more PassMark for each dollar spent, at 37.4 vs 18.5 PassMark/$ ($385 MSRP vs $87 MSRP).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Pentium G2120T needs a discrete GPU.

Trade-offs

❌
342.5% HIGHER MSRP
$385 MSRPvs$87 MSRP
❌171.4% higher power demand at 95W vs 35W.

Pentium G2120T

2013

Why buy it

✅Costs $298 less on MSRP ($87 MSRP vs $385 MSRP).
✅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 (1,613 vs 14,397).
❌Smaller total L3 cache (3 MB vs 12 MB).
❌Lower PassMark per dollar, at 18.5 vs 37.4 PassMark/$ ($87 MSRP vs $385 MSRP).
❌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 G2120T?

Yes. Core i7-9700K is the better all-around CPU here. It gives you a 492.6% average FPS lead across 50 shared CPU game tests in our data, 792.6% 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 492.6% 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 792.6% 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 342.5% more expensive on MSRP at $385 MSRP versus $87 MSRP, and it still gives you a 492.6% average FPS lead across 50 shared CPU game tests in our data. It is also 101.7% better value on MSRP (37.4 vs 18.5 PassMark/$), 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 G2120T 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 G2120T

The Pentium G2120T is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 2 threads. Base frequency: 2.7 GHz. L3 cache: 3 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3-1333, DDR3-1600. Passmark benchmark score: 1,613 points. Launch price was $69.

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Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Pentium G2120T offers 2 cores / 2 threads — the Core i7-9700K has 6 more cores. The Core i7-9700K is built on the Coffee Lake-R (2018−2019) architecture. In PassMark, the Core i7-9700K scores 14,397 against the Pentium G2120T's 1,613 — a 159.7% lead for the Core i7-9700K. L3 cache: 12 MB (total) on the Core i7-9700K vs 3 MB Intel® Smart Cache on the Pentium G2120T.

Feature	Core i7-9700K	Pentium G2120T
Cores / Threads	8 / 8+300%	2 / 2
Boost Clock	4.9 GHz	—
Base Clock	3.6 GHz+33%	2.7 GHz
L3 Cache	12 MB (total)+300%	3 MB Intel® Smart Cache
L2 Cache	256K (per core)	—
Process	14 nm-36%	22 nm
Architecture	Coffee Lake-R (2018−2019)	—
PassMark	14,397+793%	1,613

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Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Pentium G2120T uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i7-9700K	Pentium G2120T
Socket	LGA1151	LGA1155
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 G2120T). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Pentium G2120T requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

Feature	Core i7-9700K	Pentium G2120T
Integrated GPU	Yes	—
IGPU Model	UHD Graphics 630	—
Unlocked	Yes	—
AVX-512	No	—
Virtualization	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 G2120T came in at $87. On launch pricing ($385 vs $87), Pentium G2120T was $298 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 18.5 pts/$ for the Pentium G2120T — making the Core i7-9700K the 67.4% better value option.

Feature	Core i7-9700K	Pentium G2120T
MSRP	$385	$87-77%
Performance per Dollar	37.4+102%	18.5
Release Date	2018	2013

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