Core i5-3380M vs Xeon W3520

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.

Core i5-3380M vs Xeon W3520 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.

Core i5-3380M vs Xeon W3520: Pros, Cons & Final Verdict

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

Core i5-3380M

2013

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics 4000, while Xeon W3520 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W3520 across 50 shared CPU benchmark tests.
❌Lower PassMark (2,938 vs 2,940).
❌Smaller total L3 cache (3 MB vs 8 MB).
❌Less compelling for workstation-style loads than Xeon W3520, which brings 4 cores / 8 threads.
❌293.8% higher power demand at 512W vs 130W.

Xeon W3520

2009

Why buy it

✅Better for gaming: +6.5% higher average FPS across 50 shared CPU benchmark tests.
✅+166.7% larger total L3 cache (8 MB vs 3 MB).
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.
✅Draws 130W instead of 512W, a 382W reduction.

Trade-offs

❌Launch MSRP is still $284 MSRP, while Core i5-3380M mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Core i5-3380M can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon W3520 better than Core i5-3380M?

Not really, because they are built for different jobs. Xeon W3520 makes more sense for workstation-style multi-core throughput, while Core i5-3380M 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 W3520 is the better pick. According to our tests, it delivers 6.5% 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 W3520 is the stronger fit. You are getting 0.1% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 166.7% larger total L3 cache (8 MB vs 3 MB).

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

Xeon W3520 is the better buy right now. Xeon W3520 comes in at an unclear MSRP at $284 MSRP versus unclear MSRP, and it still gives you a 6.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (10.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i5-3380M makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2009). That makes it the safer long-term bet.

Core i5-3380M vs Xeon W3520 Technical Specifications

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

Core i5-3380M

The Core i5-3380M is manufactured by Intel. It was released in 1 January 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 3.6 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,938 points. Launch price was $69.

Xeon W3520

The Xeon W3520 is manufactured by Intel. It was released in 30 March 2009 (16 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.66 GHz, with boost up to 2.93 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 2,940 points. Launch price was $404.

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Processing Power

The Core i5-3380M packs 2 cores / 4 threads, while the Xeon W3520 offers 4 cores / 8 threads — the Xeon W3520 has 2 more cores. Boost clocks reach 3.6 GHz on the Core i5-3380M versus 2.93 GHz on the Xeon W3520 — a 20.5% clock advantage for the Core i5-3380M (base: 2.9 GHz vs 2.66 GHz). The Core i5-3380M uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon W3520 uses Bloomfield (2008−2010) (45 nm). In PassMark, the Core i5-3380M scores 2,938 against the Xeon W3520's 2,940 — a 0.1% lead for the Xeon W3520. L3 cache: 3 MB (total) on the Core i5-3380M vs 8 MB (total) on the Xeon W3520.

Feature	Core i5-3380M	Xeon W3520
Cores / Threads	2 / 4	4 / 8+100%
Boost Clock	3.6 GHz+23%	2.93 GHz
Base Clock	2.9 GHz+9%	2.66 GHz
L3 Cache	3 MB (total)	8 MB (total)+167%
L2 Cache	256K (per core)	256 kB (per core)
Process	22 nm-51%	45 nm
Architecture	Ivy Bridge (2012−2013)	Bloomfield (2008−2010)
PassMark	2,938	2,940
Geekbench 6 Single	700	—
Geekbench 6 Multi	1,600	—

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Memory & Platform

The Core i5-3380M uses the PGA988 socket (PCIe 3.0), while the Xeon W3520 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core i5-3380M	Xeon W3520
Socket	PGA988	LGA1366
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR3-1600	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i5-3380M) / not specified (Xeon W3520). The Core i5-3380M includes integrated graphics (Intel HD Graphics 4000), while the Xeon W3520 requires a dedicated GPU. Primary use case: Core i5-3380M targets Business Laptop. Direct competitor: Core i5-3380M rivals AMD A10-4600M.