Core i5-3427U vs Xeon E3-1220L

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 i5-3427U vs Xeon E3-1220L 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 i5-3427U vs Xeon E3-1220L: Pros, Cons & Final Verdict

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

Core i5-3427U

2012

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 E3-1220L needs a discrete GPU.

Trade-offs

❌Lower PassMark (2,252 vs 2,263).
❌2460% higher power demand at 512W vs 20W.

Xeon E3-1220L

2011

Why buy it

✅Draws 20W instead of 512W, a 492W reduction.

Trade-offs

❌Launch MSRP is still $189 MSRP, while Core i5-3427U mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Core i5-3427U can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon E3-1220L better than Core i5-3427U?

Not really, because they are built for different jobs. Xeon E3-1220L makes more sense for workstation-style multi-core throughput, while Core i5-3427U 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 E3-1220L is the better pick. According to our tests, it delivers 0.4% 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 E3-1220L is the stronger fit. You are getting 0.5% better PassMark, backed by 2 cores and 4 threads.

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

Xeon E3-1220L is the better buy right now. Xeon E3-1220L comes in at an unclear MSRP at $189 MSRP versus unclear MSRP, and it still gives you a 0.4% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (12.0 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i5-3427U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2011). That makes it the safer long-term bet.

Core i5-3427U vs Xeon E3-1220L Technical Specifications

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

Core i5-3427U

The Core i5-3427U is manufactured by Intel. It was released in 1 June 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 2.8 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3/L/-RS 1333/1600. Passmark benchmark score: 2,252 points. Launch price was $225.

Xeon E3-1220L

The Xeon E3-1220L is manufactured by Intel. It was released in 2015-01-01. It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 3.4 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 20 Watt. Memory support: DDR3. Passmark benchmark score: 2,263 points. Launch price was $800.

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Processing Power

Both the Core i5-3427U and Xeon E3-1220L share an identical 2-core/4-thread configuration. Boost clocks reach 2.8 GHz on the Core i5-3427U versus 3.4 GHz on the Xeon E3-1220L — a 19.4% clock advantage for the Xeon E3-1220L (base: 1.8 GHz vs 2.2 GHz). The Core i5-3427U uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon E3-1220L uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core i5-3427U scores 2,252 against the Xeon E3-1220L's 2,263 — a 0.5% lead for the Xeon E3-1220L. Both processors carry 3 MB (total) of L3 cache.

Feature	Core i5-3427U	Xeon E3-1220L
Cores / Threads	2 / 4	2 / 4
Boost Clock	2.8 GHz	3.4 GHz+21%
Base Clock	1.8 GHz	2.2 GHz+22%
L3 Cache	3 MB (total)	3 MB (total)
L2 Cache	256K (per core)	256 kB (per core)
Process	22 nm-31%	32 nm
Architecture	Ivy Bridge (2012−2013)	Sandy Bridge (2011−2013)
PassMark	2,252	2,263

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Memory & Platform

The Core i5-3427U uses the BGA1023 socket (PCIe 3.0), while the Xeon E3-1220L uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core i5-3427U	Xeon E3-1220L
Socket	BGA1023	LGA1155
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	1600	—
Max RAM Capacity	32	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: true (Core i5-3427U) / not specified (Xeon E3-1220L). The Core i5-3427U includes integrated graphics (Intel HD Graphics 4000), while the Xeon E3-1220L requires a dedicated GPU. Direct competitor: Core i5-3427U rivals AMD A8-4555M.