Core i5-4310U 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.

Core i5-4310U 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.

Core i5-4310U 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.

Core i5-4310U

2014

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5520 across 50 shared CPU benchmark tests.
❌Lower PassMark (2,525 vs 2,541).
❌Smaller total L3 cache (3 MB vs 8 MB).
❌Less compelling for workstation-style loads than Xeon E5520, which brings 4 cores / 8 threads.
❌540% higher power demand at 512W vs 80W.

Xeon E5520

2009

Why buy it

✅Better for gaming: +10.1% 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 80W instead of 512W, a 432W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Xeon E5520 better than Core i5-4310U?

Not really, because they are built for different jobs. Xeon E5520 makes more sense for workstation-style multi-core throughput, while Core i5-4310U 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 10.1% 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 0.6% 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 E5520 still makes the most sense overall. Xeon E5520 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 10.1% average FPS lead across 50 shared CPU game tests in our data.

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

Core i5-4310U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2009). That makes it the safer long-term bet.

Core i5-4310U vs Xeon E5520 Technical Specifications

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

Core i5-4310U

The Core i5-4310U is manufactured by Intel. It was released in 19 January 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,525 points. Launch price was $281.

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 Core i5-4310U packs 2 cores / 4 threads, while the Xeon E5520 offers 4 cores / 8 threads — the Xeon E5520 has 2 more cores. Boost clocks reach 3 GHz on the Core i5-4310U versus 2.53 GHz on the Xeon E5520 — a 17% clock advantage for the Core i5-4310U (base: 2 GHz vs 2.26 GHz). The Core i5-4310U uses the Haswell (2013−2015) architecture (22 nm), while the Xeon E5520 uses Gainestown (2009−2010) (45 nm). In PassMark, the Core i5-4310U scores 2,525 against the Xeon E5520's 2,541 — a 0.6% lead for the Xeon E5520. L3 cache: 3 MB on the Core i5-4310U vs 8 MB (total) on the Xeon E5520.

Feature	Core i5-4310U	Xeon E5520
Cores / Threads	2 / 4	4 / 8+100%
Boost Clock	3 GHz+19%	2.53 GHz
Base Clock	2 GHz	2.26 GHz+13%
L3 Cache	3 MB	8 MB (total)+167%
L2 Cache	512 kB+100%	256 kB (per core)
Process	22 nm-51%	45 nm
Architecture	Haswell (2013−2015)	Gainestown (2009−2010)
PassMark	2,525	2,541

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Memory & Platform

The Core i5-4310U uses the FCBGA1168 socket (PCIe 3.0), while the Xeon E5520 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.