Core i3-2125 vs Pentium G2140

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 i3-2125 vs Pentium G2140 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 i3-2125 vs Pentium G2140: Pros, Cons & Final Verdict

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

Core i3-2125

2011

Why buy it

Trade-offs

❌Lower Geekbench single-core performance for gaming (499 vs 550).
❌Lower PassMark (2,082 vs 2,092).
❌Lower PassMark per dollar, at 15.5 vs 20.9 PassMark/$ ($134 MSRP vs $100 MSRP).
❌18.2% higher power demand at 65W vs 55W.

Pentium G2140

2013

Why buy it

✅+10.2% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅Costs $34 less on MSRP ($100 MSRP vs $134 MSRP).
✅Delivers 34.6% more PassMark for each dollar spent, at 20.9 vs 15.5 PassMark/$ ($100 MSRP vs $134 MSRP).
✅Draws 55W instead of 65W, a 10W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Pentium G2140 better than Core i3-2125?

Yes. Pentium G2140 is the better all-around CPU here. It gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data, 0.5% 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, Pentium G2140 is the better pick. According to our tests, it delivers 0.2% 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, Pentium G2140 is the stronger fit. You are getting 0.5% better PassMark, backed by 2 cores and 2 threads.

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

Pentium G2140 is the better buy right now. Pentium G2140 comes in $34 cheaper on MSRP at $100 MSRP versus $134 MSRP, and it still gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data. It is also 34.6% better value on MSRP (20.9 vs 15.5 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Pentium G2140 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2011) and more multi-core headroom with 2 cores / 2 threads instead of 2/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i3-2125 vs Pentium G2140 Technical Specifications

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

Core i3-2125

The Core i3-2125 is manufactured by Intel. It was released in 4 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.3 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,082 points. Launch price was $170.

Pentium G2140

The Pentium G2140 is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 2 threads. Base frequency: 3.3 GHz. L3 cache: 3 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 55 Watt. Memory support: DDR3-1333, DDR3-1600. Passmark benchmark score: 2,092 points. Launch price was $69.

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Processing Power

The Core i3-2125 packs 2 cores / 4 threads, matching the Pentium G2140's 2 cores. The Core i3-2125 is built on the Sandy Bridge (2011−2013) architecture. In PassMark, the Core i3-2125 scores 2,082 against the Pentium G2140's 2,092 — a 0.5% lead for the Pentium G2140. Geekbench 6 single-core — the metric most relevant to gaming — records 499 vs 550, a 9.7% lead for the Pentium G2140 that directly translates to higher frame rates. L3 cache: 3 MB (total) on the Core i3-2125 vs 3 MB Intel® Smart Cache on the Pentium G2140.

Feature	Core i3-2125	Pentium G2140
Cores / Threads	2 / 4	2 / 2
Boost Clock	3.3 GHz	—
Base Clock	3.3 GHz	3.3 GHz
L3 Cache	3 MB (total)	3 MB Intel® Smart Cache
L2 Cache	256 kB (per core)	—
Process	32 nm	22 nm-31%
Architecture	Sandy Bridge (2011−2013)	—
PassMark	2,082	2,092
Geekbench 6 Single	499	550+10%
Geekbench 6 Multi	—	920

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Memory & Platform

Both processors use the LGA1155 socket with PCIe 2.0. Maximum memory speed reaches DDR3-1333 on the Core i3-2125 versus DDR3-1600 on the Pentium G2140 — the Pentium G2140 supports 20% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H61,H67,P67,Z68,B65,Q65,Q67,B75,Q75,H77,Z75,Z77 (Core i3-2125) and H61,B75 (Pentium G2140).

Feature	Core i3-2125	Pentium G2140
Socket	LGA1155	LGA1155
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1333	DDR3-1600+20%
Max RAM Capacity	32 GB	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, EPT (Core i3-2125) vs VT-x (Pentium G2140). Both include integrated graphics — HD Graphics 3000 (Core i3-2125) and Intel HD Graphics (Pentium G2140) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-2125 targets Budget Desktop, Pentium G2140 targets Legacy Desktop. Direct competitor: Core i3-2125 rivals A8-3850.

Feature	Core i3-2125	Pentium G2140
Integrated GPU	Yes	Yes
IGPU Model	HD Graphics 3000	Intel HD Graphics
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x, EPT	VT-x
Target Use	Budget Desktop	Legacy Desktop

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Value Analysis

At launch, the Core i3-2125 was priced at $134, while the Pentium G2140 came in at $100. On launch pricing ($134 vs $100), Pentium G2140 was $34 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-2125 delivers 15.5 pts/$ vs 20.9 pts/$ for the Pentium G2140 — making the Pentium G2140 the 29.5% better value option.

Feature	Core i3-2125	Pentium G2140
MSRP	$134	$100-25%
Performance per Dollar	15.5	20.9+35%
Release Date	2011	2013

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