Atom x7-E3950 vs Core i3-2100

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 x7-E3950 vs Core i3-2100 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 x7-E3950 vs Core i3-2100: Pros, Cons & Final Verdict

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

Atom x7-E3950

2016

Why buy it

✅Better for gaming: +4.5% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 12W instead of 65W, a 53W reduction.
✅100+% more PCIe lanes (6 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 505, while Core i3-2100 needs a discrete GPU.

Trade-offs

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

Core i3-2100

2011

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Atom x7-E3950 across 50 shared CPU benchmark tests.
❌Lower PassMark (1,856 vs 1,864).
❌Launch MSRP is still $117 MSRP, while Atom x7-E3950 mostly shows up through inconsistent older-market listings.
❌441.7% higher power demand at 65W vs 12W.
❌No integrated graphics, while Atom x7-E3950 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Atom x7-E3950 better than Core i3-2100?

Yes. Atom x7-E3950 is the better all-around CPU here. It gives you a 4.5% average FPS lead across 50 shared CPU game tests in our data, 0.4% 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, Atom x7-E3950 is the better pick. According to our tests, it delivers 4.5% 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, Atom x7-E3950 is the stronger fit. You are getting 0.4% better PassMark, backed by 4 cores and 4 threads.

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

Atom x7-E3950 is still the much better call for a fresh build. Atom x7-E3950 comes in at an unclear MSRP at unclear MSRP versus $117 MSRP, and it still gives you a 4.5% average FPS lead across 50 shared CPU game tests in our data. Core i3-2100 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2011 platform. Even with 100.0% better value on paper (15.9 vs 0.0 PassMark/$), 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?

Atom x7-E3950 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2011) and more multi-core headroom with 4 cores / 4 threads instead of 2/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Atom x7-E3950 vs Core i3-2100 Technical Specifications

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

Atom x7-E3950

The Atom x7-E3950 is manufactured by Intel. It was released in 30 August 2014 (11 years ago). It is based on the Apollo Lake (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 14 nm process technology. Socket: FCBGA1296. Thermal design power (TDP): 12 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 1,864 points. Launch price was $57.

Core i3-2100

The Core i3-2100 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 3.1 GHz, with boost up to 3.1 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: 1,856 points. Launch price was $73.

⚡

Processing Power

The Atom x7-E3950 packs 4 cores / 4 threads, while the Core i3-2100 offers 2 cores / 4 threads — the Atom x7-E3950 has 2 more cores. Boost clocks reach 2 GHz on the Atom x7-E3950 versus 3.1 GHz on the Core i3-2100 — a 43.1% clock advantage for the Core i3-2100 (base: 1.6 GHz vs 3.1 GHz). The Atom x7-E3950 uses the Apollo Lake (2014−2016) architecture (14 nm), while the Core i3-2100 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Atom x7-E3950 scores 1,864 against the Core i3-2100's 1,856 — a 0.4% lead for the Atom x7-E3950. L3 cache: 0 kB on the Atom x7-E3950 vs 3 MB (total) on the Core i3-2100.

Feature	Atom x7-E3950	Core i3-2100
Cores / Threads	4 / 4+100%	2 / 4
Boost Clock	2 GHz	3.1 GHz+55%
Base Clock	1.6 GHz	3.1 GHz+94%
L3 Cache	0 kB	3 MB (total)
L2 Cache	2 MB (total)+700%	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Apollo Lake (2014−2016)	Sandy Bridge (2011−2013)
PassMark	1,864	1,856
Geekbench 6 Single	245	—

🧠

Memory & Platform

The Atom x7-E3950 uses the FCBGA1296 socket (PCIe 3.0), while the Core i3-2100 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Atom x7-E3950	Core i3-2100
Socket	FCBGA1296	LGA1155
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	LPDDR4-2400	—
Max RAM Capacity	8 GB	—
RAM Channels	4	—
ECC Support	Yes	—
PCIe Lanes	6	—

🔧

Advanced Features

Virtualization: VT-x, VT-d (Atom x7-E3950) / not specified (Core i3-2100). The Atom x7-E3950 includes integrated graphics (HD Graphics 505), while the Core i3-2100 requires a dedicated GPU.