Core i7-3555LE vs Xeon E5462

Intel

Core i7-3555LE

2 Cores4 Thrd25 WWMax: 3.2 GHz2012
Similar parts
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VS
Intel

Xeon E5462

4 Cores4 Thrd80 WWMax: 2.8 GHz2007
Similar parts
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Core i7-3555LE vs Xeon E5462 Performance Spectrum

About PassMark

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 i7-3555LE vs Xeon E5462 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 i7-3555LE vs Xeon E5462: Pros, Cons & Final Verdict

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

Core i7-3555LE

2012

Why buy it

  • Costs $42 less on MSRP ($300 MSRP vs $342 MSRP).
  • Delivers 15.3% more PassMark for each dollar spent, at 7.5 vs 6.5 PassMark/$ ($300 MSRP vs $342 MSRP).
  • Draws 25W instead of 80W, a 55W reduction.

Trade-offs

  • Smaller total L3 cache (4 MB vs 12 MB).
  • Less compelling for workstation-style loads than Xeon E5462, which brings 4 cores / 4 threads and 16 PCIe lanes.

Xeon E5462

2007

Why buy it

  • +200% larger total L3 cache (12 MB vs 4 MB).
  • Better for workstations and heavier parallel workloads: 4 cores / 4 threads, plus 16 PCIe lanes vs 0.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark (2,213 vs 2,238).
  • Lower PassMark per dollar, at 6.5 vs 7.5 PassMark/$ ($342 MSRP vs $300 MSRP).
  • 220% higher power demand at 80W vs 25W.

Quick Answers

So, is Core i7-3555LE better than Xeon E5462?
Not really, because they are built for different jobs. Xeon E5462 makes more sense for workstation-style multi-core throughput, while Core i7-3555LE is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for gaming?
If gaming is the priority, Core i7-3555LE is the better pick. According to our tests, it delivers 1.7% 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, Core i7-3555LE is the stronger fit. You are getting 1.1% better PassMark, backed by 2 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-3555LE is the better buy right now. Core i7-3555LE comes in $42 cheaper on MSRP at $300 MSRP versus $342 MSRP, and it still gives you a 1.7% average FPS lead across 50 shared CPU game tests in our data. It is also 15.3% better value on MSRP (7.5 vs 6.5 PassMark/$), 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 i7-3555LE makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2007) and more multi-core headroom with 2 cores / 4 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-3555LE vs Xeon E5462 Technical Specifications

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

Intel

Core i7-3555LE

The Core i7-3555LE is manufactured by Intel. It was released in 3 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 2.5 GHz, with boost up to 3.2 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 25 Watt. Memory support: unknown Dual-channel. Passmark benchmark score: 2,238 points. Launch price was $69.

Intel

Xeon E5462

The Xeon E5462 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 2.8 GHz, with boost up to 2.8 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: 2,213 points. Launch price was $797.

Processing Power

The Core i7-3555LE packs 2 cores / 4 threads, while the Xeon E5462 offers 4 cores / 4 threads — the Xeon E5462 has 2 more cores. Boost clocks reach 3.2 GHz on the Core i7-3555LE versus 2.8 GHz on the Xeon E5462 — a 13.3% clock advantage for the Core i7-3555LE (base: 2.5 GHz vs 2.8 GHz). The Core i7-3555LE uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon E5462 uses Harpertown (2007−2008) (45 nm). In PassMark, the Core i7-3555LE scores 2,238 against the Xeon E5462's 2,213 — a 1.1% lead for the Core i7-3555LE. L3 cache: 4 MB (total) on the Core i7-3555LE vs 12 MB L2 Cache on the Xeon E5462.

FeatureCore i7-3555LEXeon E5462
Cores / Threads
2 / 4
4 / 4+100%
Boost Clock
3.2 GHz+14%
2.8 GHz
Base Clock
2.5 GHz
2.8 GHz+12%
L3 Cache
4 MB (total)
12 MB L2 Cache+200%
L2 Cache
256 kB (per core)
6 MB (total)+2300%
Process
22 nm-51%
45 nm
Architecture
Ivy Bridge (2012−2013)
Harpertown (2007−2008)
PassMark
2,238+1%
2,213
Geekbench 6 Single
363
Geekbench 6 Multi
1,239
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Memory & Platform

The Core i7-3555LE uses the BGA1023 socket (PCIe 3.0), while the Xeon E5462 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureCore i7-3555LEXeon E5462
Socket
BGA1023
LGA771
PCIe Generation
PCIe 3.0+50%
PCIe 2.0
Max RAM Speed
DDR2
Max RAM Capacity
64 GB
RAM Channels
2
ECC Support
Yes
PCIe Lanes
16
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Advanced Features

Virtualization: not specified (Core i7-3555LE) / VT-x (Xeon E5462). Primary use case: Xeon E5462 targets Server. Direct competitor: Xeon E5462 rivals Athlon 64 X2 4000+.

FeatureCore i7-3555LEXeon E5462
Integrated GPU
No
Unlocked
No
AVX-512
No
Virtualization
VT-x
Target Use
Server
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Value Analysis

At launch, the Core i7-3555LE was priced at $300, while the Xeon E5462 came in at $342. On launch pricing ($300 vs $342), Core i7-3555LE was $42 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-3555LE delivers 7.5 pts/$ vs 6.5 pts/$ for the Xeon E5462 — making the Core i7-3555LE the 14.2% better value option.

FeatureCore i7-3555LEXeon E5462
MSRP
$300-12%
$342
Performance per Dollar
7.5+15%
6.5
Release Date
2012
2007

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