Celeron G5920 vs Xeon E5450

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 G5920 vs Xeon E5450 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 G5920 vs Xeon E5450: Pros, Cons & Final Verdict

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

Celeron G5920

2020

Why buy it

✅Draws 58W instead of 80W, a 22W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 610, while Xeon E5450 needs a discrete GPU.

Trade-offs

❌Lower PassMark (2,577 vs 2,581).
❌Smaller total L3 cache (2 MB vs 12 MB).
❌Less compelling for workstation-style loads than Xeon E5450, which brings 4 cores / 4 threads.
❌Launch MSRP is still $52 MSRP, while Xeon E5450 mostly shows up through inconsistent older-market listings.

Xeon E5450

2007

Why buy it

✅+0.2% higher PassMark.
✅+500% larger total L3 cache (12 MB vs 2 MB).
✅Better for workstations and heavier parallel workloads: 4 cores / 4 threads.

Trade-offs

❌37.9% higher power demand at 80W vs 58W.
❌No integrated graphics, while Celeron G5920 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Celeron G5920 better than Xeon E5450?

Not really, because they are built for different jobs. Xeon E5450 makes more sense for workstation-style multi-core throughput, while Celeron G5920 is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Xeon E5450 is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 4 threads. It also has the larger cache pool with 500% larger total L3 cache (12 MB vs 2 MB).

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

Celeron G5920 is the better buy right now. Celeron G5920 comes in at an unclear MSRP at $52 MSRP versus unclear MSRP, and it still gives you a 2.5% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E5450 is still stronger for heavier multi-core work with 0.2% better PassMark. It is also 100.0% better value on MSRP (49.6 vs 0.0 PassMark/$), 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 G5920 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2007). That makes it the safer long-term bet.

Celeron G5920 vs Xeon E5450 Technical Specifications

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

Celeron G5920

The Celeron G5920 is manufactured by Intel. It was released in 2007-01-01. It is based on the Comet Lake (2020−2025) architecture. It features 2 cores and 2 threads. Base frequency is 3.5 GHz, with boost up to 3.5 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 58 Watt. Memory support: DDR4-2666. Passmark benchmark score: 2,577 points. Launch price was $69.

Xeon E5450

The Xeon E5450 is manufactured by Intel. It was released in 11 November 2007 (18 years ago). It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 12 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,581 points. Launch price was $915.

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Processing Power

The Celeron G5920 packs 2 cores / 2 threads, while the Xeon E5450 offers 4 cores / 4 threads — the Xeon E5450 has 2 more cores. Boost clocks reach 3.5 GHz on the Celeron G5920 versus 3 GHz on the Xeon E5450 — a 15.4% clock advantage for the Celeron G5920 (base: 3.5 GHz vs 3 GHz). The Celeron G5920 uses the Comet Lake (2020−2025) architecture (14 nm), while the Xeon E5450 uses Harpertown (2007−2008) (45 nm). In PassMark, the Celeron G5920 scores 2,577 against the Xeon E5450's 2,581 — a 0.2% lead for the Xeon E5450. L3 cache: 2 MB (total) on the Celeron G5920 vs 12 MB L2 Cache on the Xeon E5450.

Feature	Celeron G5920	Xeon E5450
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	3.5 GHz+17%	3 GHz
Base Clock	3.5 GHz+17%	3 GHz
L3 Cache	2 MB (total)	12 MB L2 Cache+500%
L2 Cache	256K (per core)+4167%	6 MB (total)
Process	14 nm-69%	45 nm
Architecture	Comet Lake (2020−2025)	Harpertown (2007−2008)
PassMark	2,577	2,581
Geekbench 6 Single	756	—
Geekbench 6 Multi	1,248	—

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Memory & Platform

The Celeron G5920 uses the LGA1200 socket (PCIe 3.0), while the Xeon E5450 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Celeron G5920	Xeon E5450
Socket	LGA1200	LGA771
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x (Celeron G5920) / not specified (Xeon E5450). The Celeron G5920 includes integrated graphics (UHD Graphics 610), while the Xeon E5450 requires a dedicated GPU. Primary use case: Celeron G5920 targets Budget. Direct competitor: Celeron G5920 rivals Pentium Gold G6405.