Celeron 7305 vs Xeon E5520

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 7305 vs Xeon E5520 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 7305 vs Xeon E5520: Pros, Cons & Final Verdict

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

Celeron 7305

2022

Why buy it

✅Draws 15W instead of 80W, a 65W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of LGA1366 and older memory support.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics for 12th Gen, while Xeon E5520 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5520 across 50 shared CPU benchmark tests.
❌Lower PassMark (2,520 vs 2,541).
❌Less compelling for workstation-style loads than Xeon E5520, which brings 4 cores / 8 threads.
❌Launch MSRP is still $128 MSRP, while Xeon E5520 mostly shows up through inconsistent older-market listings.

Xeon E5520

2009

Why buy it

✅Better for gaming: +5.3% higher average FPS across 50 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.

Trade-offs

❌433.3% higher power demand at 80W vs 15W.
❌Older platform position on LGA1366, while Celeron 7305 moves to FCBGA1744 and DDR5.
❌No integrated graphics, while Celeron 7305 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon E5520 better than Celeron 7305?

Not really, because they are built for different jobs. Xeon E5520 makes more sense for workstation-style multi-core throughput, while Celeron 7305 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon E5520 is the better pick. According to our tests, it delivers 5.3% 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, Xeon E5520 is the stronger fit. You are getting 0.8% better PassMark, backed by 4 cores and 8 threads.

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

Xeon E5520 is the easy recommendation for a fresh desktop build. Xeon E5520 comes in at an unclear MSRP at unclear MSRP versus $128 MSRP, and it still gives you a 5.3% average FPS lead across 50 shared CPU game tests in our data. Celeron 7305 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 5.3% in the shared gaming data.

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

Celeron 7305 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2009) and a healthier platform with FCBGA1744 and DDR5 instead of LGA1366. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Celeron 7305 vs Xeon E5520 Technical Specifications

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

Celeron 7305

The Celeron 7305 is manufactured by Intel. It was released in 2007-01-01. It is based on the Alder Lake-U (2022) architecture. It features 5 cores and 5 threads. Max frequency: 1.1 GHz. L3 cache: 8 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267. Passmark benchmark score: 2,520 points. Launch price was $69.

Xeon E5520

The Xeon E5520 is manufactured by Intel. It was released in 30 March 2009 (16 years ago). It is based on the Gainestown (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.26 GHz, with boost up to 2.53 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,541 points. Launch price was $19.

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Processing Power

The Celeron 7305 packs 5 cores / 5 threads, while the Xeon E5520 offers 4 cores / 8 threads — the Celeron 7305 has 1 more core. Boost clocks reach 1.1 GHz on the Celeron 7305 versus 2.53 GHz on the Xeon E5520 — a 78.8% clock advantage for the Xeon E5520. The Celeron 7305 uses the Alder Lake-U (2022) architecture (Intel 7 nm), while the Xeon E5520 uses Gainestown (2009−2010) (45 nm). In PassMark, the Celeron 7305 scores 2,520 against the Xeon E5520's 2,541 — a 0.8% lead for the Xeon E5520. Both processors carry 8 MB (total) of L3 cache.

Feature	Celeron 7305	Xeon E5520
Cores / Threads	5 / 5+25%	4 / 8
Boost Clock	1.1 GHz	2.53 GHz+130%
Base Clock	—	2.26 GHz
L3 Cache	8 MB (total)	8 MB (total)
L2 Cache	1.25 MB (per core)+400%	256 kB (per core)
Process	Intel 7 nm-84%	45 nm
Architecture	Alder Lake-U (2022)	Gainestown (2009−2010)
PassMark	2,520	2,541
Cinebench R23 Multi	1,422	—
Geekbench 6 Single	641	—
Geekbench 6 Multi	1,598	—

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Memory & Platform

The Celeron 7305 uses the FCBGA1744 socket (PCIe 5.0), while the Xeon E5520 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Celeron 7305	Xeon E5520
Socket	FCBGA1744	LGA1366
PCIe Generation	PCIe 5.0+150%	PCIe 2.0
Max RAM Speed	DDR5-4800	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	20	—

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Advanced Features

Virtualization: VT-x, VT-d (Celeron 7305) / not specified (Xeon E5520). The Celeron 7305 includes integrated graphics (UHD Graphics for 12th Gen), while the Xeon E5520 requires a dedicated GPU. Primary use case: Celeron 7305 targets Budget. Direct competitor: Celeron 7305 rivals Ryzen 3 7320U.