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.

Celeron G3900T vs Core i7-2637M 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.

Celeron G3900T vs Core i7-2637M: Pros, Cons & Final Verdict

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

Celeron G3900T

2015

Why buy it

✅+46.9% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅Costs $247 less on MSRP ($42 MSRP vs $289 MSRP).
✅Delivers 592.1% more PassMark for each dollar spent, at 45.2 vs 6.5 PassMark/$ ($42 MSRP vs $289 MSRP).

Trade-offs

❌Smaller total L3 cache (2 MB vs 4 MB).
❌105.9% higher power demand at 35W vs 17W.

Core i7-2637M

2011

Why buy it

✅+100% larger total L3 cache (4 MB vs 2 MB).
✅Draws 17W instead of 35W, a 18W reduction.

Trade-offs

❌Lower Geekbench single-core performance for gaming (350 vs 514).
❌Lower Geekbench multi-core (628 vs 903).
❌Lower PassMark per dollar, at 6.5 vs 45.2 PassMark/$ ($289 MSRP vs $42 MSRP).

Quick Answers

So, is Celeron G3900T better than Core i7-2637M?

Yes. Celeron G3900T is the better all-around CPU here. It gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data, 43.8% better Geekbench multi-core, 0.6% higher 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, Celeron G3900T is the better pick. According to our tests, it delivers 2.2% 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, Celeron G3900T is the stronger fit. You are getting 43.8% better Geekbench multi-core, backed by 2 cores and 2 threads.

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

Celeron G3900T is the better buy right now. Celeron G3900T comes in $247 cheaper on MSRP at $42 MSRP versus $289 MSRP, and it still gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data. It is also 592.1% better value on MSRP (45.2 vs 6.5 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Celeron G3900T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 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.

Celeron G3900T vs Core i7-2637M Technical Specifications

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

Celeron G3900T

The Celeron G3900T is manufactured by Intel. It was released in 2007-01-01. It is based on the Skylake (2015−2016) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4-1866/2133, DDR3L-1333/1600. Passmark benchmark score: 1,900 points. Launch price was $69.

Core i7-2637M

The Core i7-2637M is manufactured by Intel. It was released in 3 January 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.7 GHz, with boost up to 2.8 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3-1066, DDR3-1333. Passmark benchmark score: 1,889 points. Launch price was $289.

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Processing Power

The Celeron G3900T packs 2 cores / 2 threads, matching the Core i7-2637M's 2 cores. Boost clocks reach 2.6 GHz on the Celeron G3900T versus 2.8 GHz on the Core i7-2637M — a 7.4% clock advantage for the Core i7-2637M (base: 2.6 GHz vs 1.7 GHz). The Celeron G3900T uses the Skylake (2015−2016) architecture (14 nm), while the Core i7-2637M uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Celeron G3900T scores 1,900 against the Core i7-2637M's 1,889 — a 0.6% lead for the Celeron G3900T. Geekbench 6 single-core — the metric most relevant to gaming — records 514 vs 350, a 38% lead for the Celeron G3900T that directly translates to higher frame rates. Multi-core Geekbench: 903 vs 628 (35.9% advantage for the Celeron G3900T). L3 cache: 2 MB on the Celeron G3900T vs 4 MB on the Core i7-2637M.

Feature	Celeron G3900T	Core i7-2637M
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.6 GHz	2.8 GHz+8%
Base Clock	2.6 GHz+53%	1.7 GHz
L3 Cache	2 MB	4 MB+100%
L2 Cache	512 kB	512 kB
Process	14 nm-56%	32 nm
Architecture	Skylake (2015−2016)	Sandy Bridge (2011−2013)
PassMark	1,900	1,889
Geekbench 6 Single	514+47%	350
Geekbench 6 Multi	903+44%	628

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Memory & Platform

The Celeron G3900T uses the LGA1151 socket (PCIe 3.0), while the Core i7-2637M uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Celeron G3900T versus 1333 on the Core i7-2637M — the Celeron G3900T supports 60% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G3900T supports up to 64 GB of RAM compared to 8 GB — 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H110,B150,H170,Z170 (Celeron G3900T) and HM65,HM67,QM67 (Core i7-2637M).

Feature	Celeron G3900T	Core i7-2637M
Socket	LGA1151	BGA1023
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2133+60%	1333
Max RAM Capacity	64 GB+700%	8 GB
RAM Channels	2	2
ECC Support	Yes	No
PCIe Lanes	16	16

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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x (Celeron G3900T) vs true (Core i7-2637M). Both include integrated graphics — HD Graphics 510 (Celeron G3900T) and Intel HD Graphics 3000 (Core i7-2637M) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron G3900T targets Budget. Direct competitor: Celeron G3900T rivals Pentium G4400T.

Feature	Celeron G3900T	Core i7-2637M
Integrated GPU	Yes	Yes
IGPU Model	HD Graphics 510	Intel HD Graphics 3000
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x	true
Target Use	Budget	—

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Value Analysis

At launch, the Celeron G3900T was priced at $42, while the Core i7-2637M came in at $289. On launch pricing ($42 vs $289), Celeron G3900T was $247 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron G3900T delivers 45.2 pts/$ vs 6.5 pts/$ for the Core i7-2637M — making the Celeron G3900T the 149.5% better value option.

Feature	Celeron G3900T	Core i7-2637M
MSRP	$42-85%	$289
Performance per Dollar	45.2+595%	6.5
Release Date	2015	2011

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