Celeron B815 vs Xeon X3330

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 B815 vs Xeon X3330 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 B815 vs Xeon X3330: Pros, Cons & Final Verdict

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

Celeron B815

2012

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics (Sandy Bridge), while Xeon X3330 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon X3330 across 50 shared CPU benchmark tests.
❌Lower PassMark (2,093 vs 2,102).
❌Smaller total L3 cache (2 MB vs 6 MB).
❌Launch MSRP is still $86 MSRP, while Xeon X3330 mostly shows up through inconsistent older-market listings.

Xeon X3330

2008

Why buy it

✅Better for gaming: +7.5% higher average FPS across 50 shared CPU benchmark tests.
✅+200% larger total L3 cache (6 MB vs 2 MB).

Trade-offs

❌No integrated graphics, while Celeron B815 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon X3330 better than Celeron B815?

Not really, because they are built for different jobs. Xeon X3330 makes more sense for workstation-style multi-core throughput, while Celeron B815 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 X3330 is the better pick. According to our tests, it delivers 7.5% 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 X3330 is the stronger fit. You are getting 0.4% better PassMark. It also has the larger cache pool with 200% larger total L3 cache (6 MB vs 2 MB).

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

Xeon X3330 is still the much better call for a fresh build. Xeon X3330 comes in at an unclear MSRP at unclear MSRP versus $86 MSRP, and it still gives you a 7.5% average FPS lead across 50 shared CPU game tests in our data. Celeron B815 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2012 platform. Even with 100.0% better value on paper (24.3 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on PGA988.

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

Celeron B815 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2008). That makes it the safer long-term bet.

Celeron B815 vs Xeon X3330 Technical Specifications

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

Celeron B815

The Celeron B815 is manufactured by Intel. It was released in 1 January 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,093 points. Launch price was $86.

Xeon X3330

The Xeon X3330 is manufactured by Intel. It was released in 2015-01-01. Base frequency: 2.66 GHz. L3 cache: 6 MB L2 Cache. Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 2,102 points. Launch price was $800.

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Processing Power

The Celeron B815 is built on the Sandy Bridge (2011−2013) architecture. In PassMark, the Celeron B815 scores 2,093 against the Xeon X3330's 2,102 — a 0.4% lead for the Xeon X3330. L3 cache: 2 MB (total) on the Celeron B815 vs 6 MB L2 Cache on the Xeon X3330.

Feature	Celeron B815	Xeon X3330
Cores / Threads	2 / 2	—
Boost Clock	1.6 GHz	—
Base Clock	1.6 GHz	2.66 GHz+66%
L3 Cache	2 MB (total)	6 MB L2 Cache+200%
L2 Cache	256K (per core)	—
Process	32 nm-29%	45 nm
Architecture	Sandy Bridge (2011−2013)	—
PassMark	2,093	2,102

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Memory & Platform

The Celeron B815 uses the PGA988 socket (PCIe 2.0), while the Xeon X3330 uses LGA775 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Celeron B815	Xeon X3330
Socket	PGA988	LGA775
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1333	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x (Celeron B815) / not specified (Xeon X3330). The Celeron B815 includes integrated graphics (HD Graphics (Sandy Bridge)), while the Xeon X3330 requires a dedicated GPU. Primary use case: Celeron B815 targets Budget. Direct competitor: Celeron B815 rivals Pentium 967.