Core 2 Duo SU9400 vs Pentium 4415Y

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.

Core 2 Duo SU9400 vs Pentium 4415Y 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.

Core 2 Duo SU9400 vs Pentium 4415Y: Pros, Cons & Final Verdict

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

Core 2 Duo SU9400

2008

Why buy it

✅+50% larger total L3 cache (3 MB vs 2 MB).
✅Draws 3W instead of 6W, a 3W reduction.

Trade-offs

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

Pentium 4415Y

2017

Why buy it

Trade-offs

❌Lower PassMark (1,582 vs 1,596).
❌Smaller total L3 cache (2 MB vs 3 MB).
❌100% higher power demand at 6W vs 3W.

Quick Answers

So, is Core 2 Duo SU9400 better than Pentium 4415Y?

Yes. Core 2 Duo SU9400 is the better all-around CPU here. It gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data and 0.9% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core 2 Duo SU9400 is the better pick. According to our tests, it delivers 0.1% 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, Core 2 Duo SU9400 is the stronger fit. You are getting 0.9% better PassMark, backed by 2 cores and 2 threads. It also has the larger cache pool with 50% larger total L3 cache (3 MB vs 2 MB).

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

Core 2 Duo SU9400 still makes the most sense overall. Core 2 Duo SU9400 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data.

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

Pentium 4415Y makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2008). That makes it the safer long-term bet.

Core 2 Duo SU9400 vs Pentium 4415Y Technical Specifications

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

Core 2 Duo SU9400

The Core 2 Duo SU9400 is manufactured by Intel. It was released in 20 August 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.4 GHz, with boost up to 1.4 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: BGA956. Thermal design power (TDP): 10 Watt. Passmark benchmark score: 1,596 points. Launch price was $262.

Pentium 4415Y

The Pentium 4415Y is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 4 threads. Base frequency: 1.6 GHz. L3 cache: 2 MB SmartCache. Built on 14 nm process technology. Socket: FCBGA1515. Thermal design power (TDP): 6 Watt. Memory support: LPDDR3-1866, DDR3L-1600. Passmark benchmark score: 1,582 points. Launch price was $69.

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Processing Power

The Core 2 Duo SU9400 packs 2 cores / 2 threads, matching the Pentium 4415Y's 2 cores. The Core 2 Duo SU9400 uses the Penryn (2008−2011) architecture (45 nm), while the Pentium 4415Y uses NetBurst (2000−2006) (14 nm). In PassMark, the Core 2 Duo SU9400 scores 1,596 against the Pentium 4415Y's 1,582 — a 0.9% lead for the Core 2 Duo SU9400. L3 cache: 3 MB L2 Cache on the Core 2 Duo SU9400 vs 2 MB SmartCache on the Pentium 4415Y.

Feature	Core 2 Duo SU9400	Pentium 4415Y
Cores / Threads	2 / 2	2 / 4
Boost Clock	1.4 GHz	—
Base Clock	1.4 GHz	1.6 GHz+14%
L3 Cache	3 MB L2 Cache+50%	2 MB SmartCache
L2 Cache	3 MB	—
Process	45 nm	14 nm-69%
Architecture	Penryn (2008−2011)	NetBurst (2000−2006)
PassMark	1,596	1,582

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Memory & Platform

The Core 2 Duo SU9400 uses the BGA956 socket (PCIe 1.1), while the Pentium 4415Y uses FCBGA1515 (PCIe 3.0) — making them incompatible on the same motherboard.