Pentium G4400 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.

Pentium G4400 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.

Pentium G4400 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.

Pentium G4400

2015

Why buy it

✅Draws 54W instead of 80W, a 26W reduction.

Trade-offs

❌Lower PassMark (2,562 vs 2,581).
❌Smaller total L3 cache (3 MB vs 12 MB).
❌Less compelling for workstation-style loads than Xeon E5450, which brings 4 cores / 4 threads.
❌Launch MSRP is still $64 MSRP, while Xeon E5450 mostly shows up through inconsistent older-market listings.

Xeon E5450

2007

Why buy it

✅+0.7% higher PassMark.
✅+300% larger total L3 cache (12 MB vs 3 MB).
✅Better for workstations and heavier parallel workloads: 4 cores / 4 threads.

Trade-offs

❌48.1% higher power demand at 80W vs 54W.

Quick Answers

So, is Pentium G4400 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 Pentium G4400 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 0.7% better PassMark, backed by 4 cores and 4 threads. It also has the larger cache pool with 300% larger total L3 cache (12 MB vs 3 MB).

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

Pentium G4400 is the better buy right now. Pentium G4400 comes in at an unclear MSRP at $64 MSRP versus unclear MSRP, and it still gives you 10% higher max boost clock. The compromise is that Xeon E5450 is still stronger for heavier multi-core work with 0.7% better PassMark. It is also 100.0% better value on MSRP (40.0 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Pentium G4400 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2007). That makes it the safer long-term bet.

Pentium G4400 vs Xeon E5450 Technical Specifications

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

Pentium G4400

The Pentium G4400 is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 2 threads. Base frequency is 3.3 GHz, with boost up to 3.3 GHz. L3 cache: 3 MB. L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 54 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 2,562 points. Launch price was $64.

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 Pentium G4400 packs 2 cores / 2 threads, while the Xeon E5450 offers 4 cores / 4 threads — the Xeon E5450 has 2 more cores. Boost clocks reach 3.3 GHz on the Pentium G4400 versus 3 GHz on the Xeon E5450 — a 9.5% clock advantage for the Pentium G4400 (base: 3.3 GHz vs 3 GHz). The Pentium G4400 uses the Skylake (2015−2016) architecture (14 nm), while the Xeon E5450 uses Harpertown (2007−2008) (45 nm). In PassMark, the Pentium G4400 scores 2,562 against the Xeon E5450's 2,581 — a 0.7% lead for the Xeon E5450. L3 cache: 3 MB on the Pentium G4400 vs 12 MB L2 Cache on the Xeon E5450.

Feature	Pentium G4400	Xeon E5450
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	3.3 GHz+10%	3 GHz
Base Clock	3.3 GHz+10%	3 GHz
L3 Cache	3 MB	12 MB L2 Cache+300%
L2 Cache	256K (per core)+4167%	6 MB (total)
Process	14 nm-69%	45 nm
Architecture	Skylake (2015−2016)	Harpertown (2007−2008)
PassMark	2,562	2,581

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Memory & Platform

The Pentium G4400 uses the LGA1151 socket (PCIe 3.0), while the Xeon E5450 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.