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 i5-10400F vs Pentium G2120 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 i5-10400F vs Pentium G2120: Pros, Cons & Final Verdict

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

Core i5-10400F

2020

Why buy it

✅Better for gaming: +293.6% higher average FPS across 50 shared CPU benchmark tests.
✅+300% larger total L3 cache (12 MB vs 3 MB).
✅Delivers 273.3% more PassMark for each dollar spent, at 81.4 vs 21.8 PassMark/$ ($160 MSRP vs $86 MSRP).
✅Includes a boxed cooler (Yes), unlike Pentium G2120.

Trade-offs

❌
86% HIGHER MSRP
$160 MSRPvs$86 MSRP
❌18.2% higher power demand at 65W vs 55W.
❌No integrated graphics, while Pentium G2120 can still boot and troubleshoot without a discrete GPU.

Pentium G2120

2012

Why buy it

✅Costs $74 less on MSRP ($86 MSRP vs $160 MSRP).
✅Draws 55W instead of 65W, a 10W reduction.
✅Integrated graphics onboard with HD Graphics (Ivy Bridge), while Core i5-10400F needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-10400F across 50 shared CPU benchmark tests.
❌Lower PassMark (1,876 vs 13,029).
❌Smaller total L3 cache (3 MB vs 12 MB).
❌Lower PassMark per dollar, at 21.8 vs 81.4 PassMark/$ ($86 MSRP vs $160 MSRP).
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Core i5-10400F better than Pentium G2120?

Yes. Core i5-10400F is the better all-around CPU here. It gives you a 293.6% average FPS lead across 50 shared CPU game tests in our data, 594.5% 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 i5-10400F is the better pick. According to our tests, it delivers 293.6% 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 i5-10400F is the stronger fit. You are getting 594.5% better PassMark, backed by 6 cores and 12 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 i5-10400F is the better buy right now. Core i5-10400F comes in 86.0% more expensive on MSRP at $160 MSRP versus $86 MSRP, and it still gives you a 293.6% average FPS lead across 50 shared CPU game tests in our data. It is also 273.3% better value on MSRP (81.4 vs 21.8 PassMark/$), 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 i5-10400F makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2012), 300% larger total L3 cache (12 MB vs 3 MB), and more multi-core headroom with 6 cores / 12 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-10400F vs Pentium G2120 Technical Specifications

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

Core i5-10400F

The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.

Pentium G2120

The Pentium G2120 is manufactured by Intel. It was released in 3 September 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 55 Watt. Memory support: DDR3. Passmark benchmark score: 1,876 points. Launch price was $88.

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Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Pentium G2120 offers 2 cores / 2 threads — the Core i5-10400F has 4 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 3.1 GHz on the Pentium G2120 — a 32.4% clock advantage for the Core i5-10400F (base: 2.9 GHz vs 3.1 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Pentium G2120 uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Core i5-10400F scores 13,029 against the Pentium G2120's 1,876 — a 149.7% lead for the Core i5-10400F. L3 cache: 12 MB (total) on the Core i5-10400F vs 3 MB (total) on the Pentium G2120.

Feature	Core i5-10400F	Pentium G2120
Cores / Threads	6 / 12+200%	2 / 2
Boost Clock	4.3 GHz+39%	3.1 GHz
Base Clock	2.9 GHz	3.1 GHz+7%
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	Comet Lake (2020−2025)	Ivy Bridge (2012−2013)
PassMark	13,029+595%	1,876
Cinebench R23 Multi	8,191	—
Geekbench 6 Single	1,454	—
Geekbench 6 Multi	5,783	—

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Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Pentium G2120 uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus DDR3-1600 on the Pentium G2120 — the Core i5-10400F supports 66.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-10400F 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.

Feature	Core i5-10400F	Pentium G2120
Socket	LGA1200	LGA1155
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

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core i5-10400F) vs VT-x (Pentium G2120). The Pentium G2120 includes integrated graphics (HD Graphics (Ivy Bridge)), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core i5-10400F targets Gaming, Pentium G2120 targets Desktop. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

Feature	Core i5-10400F	Pentium G2120
Integrated GPU	No	Yes
IGPU Model	—	HD Graphics (Ivy Bridge)
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x
Target Use	Gaming	Desktop

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Value Analysis

At launch, the Core i5-10400F was priced at $160, while the Pentium G2120 came in at $86. On launch pricing ($160 vs $86), Pentium G2120 was $74 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 21.8 pts/$ for the Pentium G2120 — making the Core i5-10400F the 115.5% better value option.

Feature	Core i5-10400F	Pentium G2120
MSRP	$160	$86-46%
Performance per Dollar	81.4+273%	21.8
Release Date	2020	2012

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