Celeron N4505 vs Core 2 Duo SL9600

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 N4505 vs Core 2 Duo SL9600 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 N4505 vs Core 2 Duo SL9600: Pros, Cons & Final Verdict

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

Celeron N4505

2021

Why buy it

Trade-offs

❌Lower PassMark (2,037 vs 2,054).
❌Smaller total L3 cache (4 MB vs 6 MB).
❌66.7% higher power demand at 10W vs 6W.

Core 2 Duo SL9600

2009

Why buy it

✅+0.8% higher PassMark.
✅+50% larger total L3 cache (6 MB vs 4 MB).
✅Draws 6W instead of 10W, a 4W reduction.

Trade-offs

❌Launch MSRP is still $316 MSRP, while Celeron N4505 mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Core 2 Duo SL9600 better than Celeron N4505?

It depends on what you want from the system. For gaming, Celeron N4505 is ahead with a 1.0% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo SL9600 pulls ahead with 0.8% better PassMark. Core 2 Duo SL9600 also has the bigger cache pool with 50% larger total L3 cache (6 MB vs 4 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core 2 Duo SL9600 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 50% larger total L3 cache (6 MB vs 4 MB).

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

Core 2 Duo SL9600 is the better buy right now. Core 2 Duo SL9600 comes in at an unclear MSRP at $316 MSRP versus unclear MSRP, and it still gives you 0.8% better PassMark. The compromise is that Celeron N4505 is still the better pure gaming CPU with a 1.0% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (6.5 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Celeron N4505 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2009). That makes it the safer long-term bet.

Celeron N4505 vs Core 2 Duo SL9600 Technical Specifications

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

Celeron N4505

The Celeron N4505 is manufactured by Intel. It was released in 2007-01-01. It is based on the Jasper Lake (2021) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2.9 GHz. L3 cache: 4 MB (total). L2 cache: 1.5 MB (total). Built on 10 nm process technology. Socket: BGA1338. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 2,037 points. Launch price was $69.

Core 2 Duo SL9600

The Core 2 Duo SL9600 is manufactured by Intel. It was released in 1 March 2009 (16 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.13 GHz, with boost up to 2.13 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: BGA956. Thermal design power (TDP): 17 Watt. Passmark benchmark score: 2,054 points. Launch price was $316.

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Processing Power

Both the Celeron N4505 and Core 2 Duo SL9600 share an identical 2-core/2-thread configuration. Boost clocks reach 2.9 GHz on the Celeron N4505 versus 2.13 GHz on the Core 2 Duo SL9600 — a 30.6% clock advantage for the Celeron N4505 (base: 2 GHz vs 2.13 GHz). The Celeron N4505 uses the Jasper Lake (2021) architecture (10 nm), while the Core 2 Duo SL9600 uses Penryn (2008−2011) (45 nm). In PassMark, the Celeron N4505 scores 2,037 against the Core 2 Duo SL9600's 2,054 — a 0.8% lead for the Core 2 Duo SL9600. L3 cache: 4 MB (total) on the Celeron N4505 vs 6 MB L2 Cache on the Core 2 Duo SL9600.

Feature	Celeron N4505	Core 2 Duo SL9600
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.9 GHz+36%	2.13 GHz
Base Clock	2 GHz	2.13 GHz+6%
L3 Cache	4 MB (total)	6 MB L2 Cache+50%
L2 Cache	1.5 MB (total)	6 MB+300%
Process	10 nm-78%	45 nm
Architecture	Jasper Lake (2021)	Penryn (2008−2011)
PassMark	2,037	2,054

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Memory & Platform

The Celeron N4505 uses the BGA1338 socket (PCIe 4.0), while the Core 2 Duo SL9600 uses BGA956 (PCIe 1.1) — making them incompatible on the same motherboard.