Celeron J4005 vs Core i3-2100T

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 J4005 vs Core i3-2100T 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 J4005 vs Core i3-2100T: Pros, Cons & Final Verdict

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

Celeron J4005

2017

Why buy it

✅+33.3% larger total L3 cache (4 MB vs 3 MB).
✅Draws 10W instead of 35W, a 25W reduction.
✅100+% more PCIe lanes (6 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics 600, while Core i3-2100T needs a discrete GPU.

Trade-offs

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

Core i3-2100T

2011

Why buy it

Trade-offs

❌Lower PassMark (1,531 vs 1,543).
❌Smaller total L3 cache (3 MB vs 4 MB).
❌Launch MSRP is still $127 MSRP, while Celeron J4005 mostly shows up through inconsistent older-market listings.
❌250% higher power demand at 35W vs 10W.
❌No integrated graphics, while Celeron J4005 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Celeron J4005 better than Core i3-2100T?

Yes. Celeron J4005 is the better all-around CPU here. It gives you a 2.0% average FPS lead across 50 shared CPU game tests in our data, 0.8% 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, Celeron J4005 is the better pick. According to our tests, it delivers 2.0% 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 J4005 is the stronger fit. You are getting 0.8% better PassMark, backed by 2 cores and 2 threads. It also has the larger cache pool with 33.3% larger total L3 cache (4 MB vs 3 MB).

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

Celeron J4005 is still the much better call for a fresh build. Celeron J4005 comes in at an unclear MSRP at unclear MSRP versus $127 MSRP, and it still gives you a 2.0% average FPS lead across 50 shared CPU game tests in our data. Core i3-2100T only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2011 platform. Even with 100.0% better value on paper (12.1 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1155.

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

Celeron J4005 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2011), 33.3% larger total L3 cache (4 MB vs 3 MB), 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 J4005 vs Core i3-2100T Technical Specifications

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

Celeron J4005

The Celeron J4005 is manufactured by Intel. It was released in 11 December 2017 (7 years ago). It is based on the Goldmont Plus (2017) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2.7 GHz. L3 cache: 4 MB. L2 cache: 4 MB (total). Built on 14 nm process technology. Socket: FCBGA1090. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 1,543 points. Launch price was $107.

Core i3-2100T

The Core i3-2100T is manufactured by Intel. It was released in 20 February 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,531 points. Launch price was $180.

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Processing Power

The Celeron J4005 packs 2 cores / 2 threads, matching the Core i3-2100T's 2 cores. Boost clocks reach 2.7 GHz on the Celeron J4005 versus 2.5 GHz on the Core i3-2100T — a 7.7% clock advantage for the Celeron J4005 (base: 2 GHz vs 2.5 GHz). The Celeron J4005 uses the Goldmont Plus (2017) architecture (14 nm), while the Core i3-2100T uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Celeron J4005 scores 1,543 against the Core i3-2100T's 1,531 — a 0.8% lead for the Celeron J4005. L3 cache: 4 MB on the Celeron J4005 vs 3 MB (total) on the Core i3-2100T.

Feature	Celeron J4005	Core i3-2100T
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.7 GHz+8%	2.5 GHz
Base Clock	2 GHz	2.5 GHz+25%
L3 Cache	4 MB+33%	3 MB (total)
L2 Cache	4 MB (total)+1500%	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Goldmont Plus (2017)	Sandy Bridge (2011−2013)
PassMark	1,543	1,531
Geekbench 6 Single	450	—
Geekbench 6 Multi	800	—

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Memory & Platform

The Celeron J4005 uses the FCBGA1090 socket (PCIe 3.0), while the Core i3-2100T uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Celeron J4005	Core i3-2100T
Socket	FCBGA1090	LGA1155
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2400	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	6	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Celeron J4005) / not specified (Core i3-2100T). The Celeron J4005 includes integrated graphics (Intel UHD Graphics 600), while the Core i3-2100T requires a dedicated GPU. Primary use case: Celeron J4005 targets Entry Level Desktop. Direct competitor: Celeron J4005 rivals Ryzen Embedded R1102G.