Atom D2550 vs Pentium D 915

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 D 915 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 D 915: 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

✅+1.4% higher PassMark.
✅Draws 10W instead of 95W, a 85W reduction.
✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel GMA 3650, while Pentium D 915 needs a discrete GPU.

Trade-offs

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

Pentium D 915

2006

Why buy it

Trade-offs

❌Lower PassMark (705 vs 715).
❌Launch MSRP is still $74 MSRP, while Atom D2550 mostly shows up through inconsistent older-market listings.
❌850% higher power demand at 95W vs 10W.
❌No integrated graphics, while Atom D2550 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Atom D2550 better than Pentium D 915?

It depends on what you want from the system. For gaming, Pentium D 915 is ahead with a 0.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Atom D2550 pulls ahead with 1.4% better PassMark.

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 1.4% better PassMark, backed by 2 cores and 4 threads.

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

Atom D2550 is still the much better call for a fresh build. Atom D2550 comes in at an unclear MSRP at unclear MSRP versus $74 MSRP, and it still gives you 1.4% better PassMark. Pentium D 915 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2006 platform. Even with 100.0% better value on paper (9.5 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA775.

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 2006) 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 D 915 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 D 915

The Pentium D 915 is manufactured by Intel. It was released in 23 July 2006 (19 years ago). It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 705 points. Launch price was $74.

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Processing Power

The Atom D2550 packs 2 cores / 4 threads, matching the Pentium D 915's 2 cores. Boost clocks reach 1.87 GHz on the Atom D2550 versus 2.8 GHz on the Pentium D 915 — a 39.8% clock advantage for the Pentium D 915 (base: 1.86 GHz vs 2.8 GHz). The Atom D2550 uses the Cedarview (2011−2012) architecture (32 nm), while the Pentium D 915 uses NetBurst (2000−2006) (65 nm). In PassMark, the Atom D2550 scores 715 against the Pentium D 915's 705 — a 1.4% lead for the Atom D2550. Both processors carry 0 kB of L3 cache.

Feature	Atom D2550	Pentium D 915
Cores / Threads	2 / 4	2 / 2
Boost Clock	1.87 GHz	2.8 GHz+50%
Base Clock	1.86 GHz	2.8 GHz+51%
L3 Cache	0 kB	0 kB
L2 Cache	512K (per core)+25500%	2 MB (total)
Process	32 nm-51%	65 nm
Architecture	Cedarview (2011−2012)	NetBurst (2000−2006)
PassMark	715+1%	705

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Memory & Platform

The Atom D2550 uses the FCBGA559 socket (PCIe 2.0), while the Pentium D 915 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.