Atom D2550 vs Pentium SU4100

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 D2550 vs Pentium SU4100 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 D2550 vs Pentium SU4100: Pros, Cons & Final Verdict

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

Atom D2550

2011

Why buy it

✅Better for gaming: +5.8% higher average FPS across 50 shared CPU benchmark tests.
✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel GMA 3650, while Pentium SU4100 needs a discrete GPU.

Trade-offs

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

Pentium SU4100

2009

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Atom D2550 across 50 shared CPU benchmark tests.
❌Lower PassMark (685 vs 715).
❌Launch MSRP is still $289 MSRP, while Atom D2550 mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Atom D2550 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Atom D2550 better than Pentium SU4100?

Yes. Atom D2550 is the better all-around CPU here. It gives you a 5.8% average FPS lead across 50 shared CPU game tests in our data, 4.4% 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 D2550 is the better pick. According to our tests, it delivers 5.8% 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 D2550 is the stronger fit. You are getting 4.4% better PassMark, backed by 2 cores and 4 threads.

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

Atom D2550 is the easy recommendation for a fresh desktop build. Atom D2550 comes in at an unclear MSRP at unclear MSRP versus $289 MSRP, and it still gives you a 5.8% average FPS lead across 50 shared CPU game tests in our data. Pentium SU4100 only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 5.8% in the shared gaming data.

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

Atom D2550 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2011 vs 2009) and more multi-core headroom with 2 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 D2550 vs Pentium SU4100 Technical Specifications

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

Atom D2550

The Atom D2550 is manufactured by Intel. It was released in 1 November 2011 (14 years ago). It is based on the Cedarview (2011−2012) architecture. It features 2 cores and 4 threads. Base frequency is 1.86 GHz, with boost up to 1.87 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 32 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 10 Watt. Memory support: DDR3. Passmark benchmark score: 715 points. Launch price was $69.

Pentium SU4100

The Pentium SU4100 is manufactured by Intel. It was released in 2007-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.3 GHz, with boost up to 1.3 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 45 nm process technology. Socket: BGA956. Thermal design power (TDP): 10 Watt. Memory support: DDR3. Passmark benchmark score: 685 points. Launch price was $69.

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Processing Power

The Atom D2550 packs 2 cores / 4 threads, matching the Pentium SU4100's 2 cores. Boost clocks reach 1.87 GHz on the Atom D2550 versus 1.3 GHz on the Pentium SU4100 — a 36% clock advantage for the Atom D2550 (base: 1.86 GHz vs 1.3 GHz). The Atom D2550 uses the Cedarview (2011−2012) architecture (32 nm), while the Pentium SU4100 uses Penryn (2008−2011) (45 nm). In PassMark, the Atom D2550 scores 715 against the Pentium SU4100's 685 — a 4.3% lead for the Atom D2550. Both processors carry 0 kB of L3 cache.

Feature	Atom D2550	Pentium SU4100
Cores / Threads	2 / 4	2 / 2
Boost Clock	1.87 GHz+44%	1.3 GHz
Base Clock	1.86 GHz+43%	1.3 GHz
L3 Cache	0 kB	0 kB
L2 Cache	512K (per core)+25500%	2 MB
Process	32 nm-29%	45 nm
Architecture	Cedarview (2011−2012)	Penryn (2008−2011)
PassMark	715+4%	685

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Memory & Platform

The Atom D2550 uses the FCBGA559 socket (PCIe 2.0), while the Pentium SU4100 uses BGA956 (PCIe 1.1) — making them incompatible on the same motherboard.