Atom C3538 vs Celeron G3900T

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.

Atom C3538 vs Celeron G3900T 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.

Atom C3538 vs Celeron G3900T: Pros, Cons & Final Verdict

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

Atom C3538

2017

Why buy it

✅+0.5% higher PassMark.
✅+300% larger total L3 cache (8 MB vs 2 MB).
✅Draws 15W instead of 35W, a 20W reduction.

Trade-offs

❌No integrated graphics, while Celeron G3900T can still boot and troubleshoot without a discrete GPU.

Celeron G3900T

2015

Why buy it

✅33.3% more PCIe lanes (16 vs 12) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 510, while Atom C3538 needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,900 vs 1,910).
❌Smaller total L3 cache (2 MB vs 8 MB).
❌Launch MSRP is still $42 MSRP, while Atom C3538 mostly shows up through inconsistent older-market listings.
❌133.3% higher power demand at 35W vs 15W.

Quick Answers

So, is Atom C3538 better than Celeron G3900T?

It depends on what you want from the system. For gaming, Celeron G3900T is ahead with a 0.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Atom C3538 pulls ahead with 0.5% better PassMark. Atom C3538 also has the bigger cache pool with 300% larger total L3 cache (8 MB vs 2 MB).

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

For streaming, content creation, and heavier multitasking, Atom C3538 is the stronger fit. You are getting 0.5% better PassMark, backed by 4 cores and 4 threads. It also has the larger cache pool with 300% larger total L3 cache (8 MB vs 2 MB).

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

Atom C3538 is still the much better call for a fresh build. Atom C3538 comes in at an unclear MSRP at unclear MSRP versus $42 MSRP, and it still gives you 0.5% better PassMark. Celeron G3900T only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2015 platform. Even with 100.0% better value on paper (45.2 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1151.

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

Atom C3538 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2015), 300% larger total L3 cache (8 MB vs 2 MB), and more multi-core headroom with 4 cores / 4 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Atom C3538 vs Celeron G3900T Technical Specifications

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

Atom C3538

The Atom C3538 is manufactured by Intel. It was released in 15 August 2017 (8 years ago). It is based on the Goldmont (2016−2017) architecture. It features 4 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 8 MB. L2 cache: 8 MB. Built on 14 nm process technology. Socket: FCBGA1310. Thermal design power (TDP): 15 Watt. Memory support: DDR4: 2133. Passmark benchmark score: 1,910 points. Launch price was $75.

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.

⚡

Processing Power

The Atom C3538 packs 4 cores / 4 threads, while the Celeron G3900T offers 2 cores / 2 threads — the Atom C3538 has 2 more cores. Boost clocks reach 2.1 GHz on the Atom C3538 versus 2.6 GHz on the Celeron G3900T — a 21.3% clock advantage for the Celeron G3900T (base: 2.1 GHz vs 2.6 GHz). The Atom C3538 uses the Goldmont (2016−2017) architecture (14 nm), while the Celeron G3900T uses Skylake (2015−2016) (14 nm). In PassMark, the Atom C3538 scores 1,910 against the Celeron G3900T's 1,900 — a 0.5% lead for the Atom C3538. L3 cache: 8 MB on the Atom C3538 vs 2 MB on the Celeron G3900T.

Feature	Atom C3538	Celeron G3900T
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	2.1 GHz	2.6 GHz+24%
Base Clock	2.1 GHz	2.6 GHz+24%
L3 Cache	8 MB+300%	2 MB
L2 Cache	8 MB+1500%	512 kB
Process	14 nm	14 nm
Architecture	Goldmont (2016−2017)	Skylake (2015−2016)
PassMark	1,910	1,900
Geekbench 6 Single	—	514
Geekbench 6 Multi	—	903

🧠

Memory & Platform

The Atom C3538 uses the FCBGA1310 socket (PCIe 3.0), while the Celeron G3900T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-2133 memory speed. The Atom C3538 supports up to 256 GB of RAM compared to 64 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Atom C3538) vs 16 (Celeron G3900T) — the Celeron G3900T offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA1310 (Atom C3538) and H110,B150,H170,Z170 (Celeron G3900T).

Feature	Atom C3538	Celeron G3900T
Socket	FCBGA1310	LGA1151
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2133	DDR4-2133
Max RAM Capacity	256 GB+300%	64 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	12	16+33%

🔧

Advanced Features

Virtualization: not specified (Atom C3538) / VT-x (Celeron G3900T). The Celeron G3900T includes integrated graphics (HD Graphics 510), while the Atom C3538 requires a dedicated GPU. Primary use case: Celeron G3900T targets Budget. Direct competitor: Celeron G3900T rivals Pentium G4400T.