Celeron G3900T vs Core M-5Y31

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 M-5Y31 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 M-5Y31: 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

✅Costs $239 less on MSRP ($42 MSRP vs $281 MSRP).
✅Delivers 567.3% more PassMark for each dollar spent, at 45.2 vs 6.8 PassMark/$ ($42 MSRP vs $281 MSRP).
✅Draws 35W instead of 512W, a 477W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 510, while Core M-5Y31 needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,900 vs 1,905).
❌Smaller total L3 cache (2 MB vs 4 MB).

Core M-5Y31

2014

Why buy it

✅+0.3% higher PassMark.
✅+100% larger total L3 cache (4 MB vs 2 MB).

Trade-offs

❌Lower PassMark per dollar, at 6.8 vs 45.2 PassMark/$ ($281 MSRP vs $42 MSRP).
❌1362.9% higher power demand at 512W vs 35W.
❌No integrated graphics, while Celeron G3900T can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Celeron G3900T better than Core M-5Y31?

It depends on what you want from the system. For gaming, Celeron G3900T is ahead with a 0.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core M-5Y31 pulls ahead with 0.3% better PassMark. Core M-5Y31 also has the bigger cache pool with 100% larger total L3 cache (4 MB vs 2 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core M-5Y31 is the stronger fit. You are getting 0.3% better PassMark, backed by 2 cores and 4 threads. It also has the larger cache pool with 100% larger total L3 cache (4 MB vs 2 MB).

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

Celeron G3900T is the better buy right now. Celeron G3900T comes in $239 cheaper on MSRP at $42 MSRP versus $281 MSRP, and it still gives you a 0.9% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core M-5Y31 is still stronger for heavier multi-core work with 0.3% better PassMark. It is also 567.3% better value on MSRP (45.2 vs 6.8 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Celeron G3900T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2014). That makes it the safer long-term bet.

Celeron G3900T vs Core M-5Y31 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 M-5Y31

The Core M-5Y31 is manufactured by Intel. It was released in 27 October 2014 (11 years ago). It is based on the Broadwell-Y (2014) architecture. It features 2 cores and 4 threads. Base frequency is 0.9 GHz, with boost up to 2.4 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1234. Thermal design power (TDP): 4.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,905 points. Launch price was $69.

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Processing Power

The Celeron G3900T packs 2 cores / 2 threads, matching the Core M-5Y31's 2 cores. Boost clocks reach 2.6 GHz on the Celeron G3900T versus 2.4 GHz on the Core M-5Y31 — a 8% clock advantage for the Celeron G3900T (base: 2.6 GHz vs 0.9 GHz). The Celeron G3900T uses the Skylake (2015−2016) architecture (14 nm), while the Core M-5Y31 uses Broadwell-Y (2014) (14 nm). In PassMark, the Celeron G3900T scores 1,900 against the Core M-5Y31's 1,905 — a 0.3% lead for the Core M-5Y31. L3 cache: 2 MB on the Celeron G3900T vs 4 MB (total) on the Core M-5Y31.

Feature	Celeron G3900T	Core M-5Y31
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.6 GHz+8%	2.4 GHz
Base Clock	2.6 GHz+189%	0.9 GHz
L3 Cache	2 MB	4 MB (total)+100%
L2 Cache	512 kB+100%	256K (per core)
Process	14 nm	14 nm
Architecture	Skylake (2015−2016)	Broadwell-Y (2014)
PassMark	1,900	1,905
Geekbench 6 Single	514	—
Geekbench 6 Multi	903	—

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Memory & Platform

The Celeron G3900T uses the LGA1151 socket (PCIe 3.0), while the Core M-5Y31 uses FCBGA1234 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Celeron G3900T	Core M-5Y31
Socket	LGA1151	FCBGA1234
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2133	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x (Celeron G3900T) / not specified (Core M-5Y31). The Celeron G3900T includes integrated graphics (HD Graphics 510), while the Core M-5Y31 requires a dedicated GPU. Primary use case: Celeron G3900T targets Budget. Direct competitor: Celeron G3900T rivals Pentium G4400T.

Feature	Celeron G3900T	Core M-5Y31
Integrated GPU	Yes	—
IGPU Model	HD Graphics 510	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x	—
Target Use	Budget	—

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Value Analysis

At launch, the Celeron G3900T was priced at $42, while the Core M-5Y31 came in at $281. On launch pricing ($42 vs $281), Celeron G3900T was $239 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron G3900T delivers 45.2 pts/$ vs 6.8 pts/$ for the Core M-5Y31 — making the Celeron G3900T the 147.9% better value option.

Feature	Celeron G3900T	Core M-5Y31
MSRP	$42-85%	$281
Performance per Dollar	45.2+565%	6.8
Release Date	2015	2014

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