Core 2 Duo E6320 vs Xeon L3406

Intel

Core 2 Duo E6320

2 Cores2 Thrd65 WWMax: 1.86 GHz2007
Similar parts
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VS
Intel

Xeon L3406

2 Cores4 Thrd30 WWMax: 2.53 GHz2010
Similar parts
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Core 2 Duo E6320 vs Xeon L3406 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 2 Duo E6320 vs Xeon L3406 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 2 Duo E6320 vs Xeon L3406: Pros, Cons & Final Verdict

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

Core 2 Duo E6320

2007

Why buy it

  • +1% higher PassMark.
  • Costs $26 less on MSRP ($163 MSRP vs $189 MSRP).
  • Delivers 17.1% more PassMark for each dollar spent, at 6.8 vs 5.8 PassMark/$ ($163 MSRP vs $189 MSRP).
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Includes a boxed cooler (true), unlike Xeon L3406.

Trade-offs

  • Less compelling for workstation-style loads than Xeon L3406, which brings 2 cores / 4 threads.
  • 116.7% higher power demand at 65W vs 30W.

Xeon L3406

2010

Why buy it

  • Better for workstations and heavier parallel workloads: 2 cores / 4 threads.
  • Draws 30W instead of 65W, a 35W reduction.

Trade-offs

  • Lower PassMark (1,104 vs 1,115).
  • Lower PassMark per dollar, at 5.8 vs 6.8 PassMark/$ ($189 MSRP vs $163 MSRP).
  • No boxed cooler included, unlike Core 2 Duo E6320.

Quick Answers

So, is Xeon L3406 better than Core 2 Duo E6320?
Not really, because they are built for different jobs. Xeon L3406 makes more sense for workstation-style multi-core throughput, while Core 2 Duo E6320 is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core 2 Duo E6320 is the stronger fit. You are getting 1% better PassMark, backed by 2 cores and 2 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon L3406 is still the much better call for a fresh build. Xeon L3406 comes in 16.0% more expensive on MSRP at $189 MSRP versus $163 MSRP, and it still gives you a 1.7% average FPS lead across 50 shared CPU game tests in our data. Core 2 Duo E6320 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2007 platform. Even with 17.1% better value on paper (6.8 vs 5.8 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA775.
Which one is more future-proof for 2026 and beyond?
Xeon L3406 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2007). That makes it the safer long-term bet.

Core 2 Duo E6320 vs Xeon L3406 Technical Specifications

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

Intel

Core 2 Duo E6320

The Core 2 Duo E6320 is manufactured by Intel. It was released in 2008-01-01. It is based on the Conroe (2006−2007) architecture. It features 2 cores and 2 threads. Base frequency is 1.86 GHz, with boost up to 1.86 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,115 points. Launch price was $249.

Intel

Xeon L3406

The Xeon L3406 is manufactured by Intel. It was released in 2015-01-01. It features 2 cores and 4 threads. Base frequency is 2.26 GHz, with boost up to 2.53 GHz. L3 cache: 4 MB Intel® Smart Cache. Built on 32 nm process technology. Socket: LGA1156. Thermal design power (TDP): 30 Watt. Memory support: DDR3-1066. Passmark benchmark score: 1,104 points. Launch price was $800.

Processing Power

The Core 2 Duo E6320 packs 2 cores / 2 threads, matching the Xeon L3406's 2 cores. Boost clocks reach 1.86 GHz on the Core 2 Duo E6320 versus 2.53 GHz on the Xeon L3406 — a 30.5% clock advantage for the Xeon L3406 (base: 1.86 GHz vs 2.26 GHz). The Core 2 Duo E6320 is built on the Conroe (2006−2007) architecture. In PassMark, the Core 2 Duo E6320 scores 1,115 against the Xeon L3406's 1,104 — a 1% lead for the Core 2 Duo E6320. L3 cache: 0 kB on the Core 2 Duo E6320 vs 4 MB Intel® Smart Cache on the Xeon L3406.

FeatureCore 2 Duo E6320Xeon L3406
Cores / Threads
2 / 2
2 / 4
Boost Clock
1.86 GHz
2.53 GHz+36%
Base Clock
1.86 GHz
2.26 GHz+22%
L3 Cache
0 kB
4 MB Intel® Smart Cache
L2 Cache
4 MB
Process
65 nm
32 nm-51%
Architecture
Conroe (2006−2007)
PassMark
1,115
1,104
🧠

Memory & Platform

The Core 2 Duo E6320 uses the LGA775 socket (PCIe 1.1), while the Xeon L3406 uses LGA1156 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureCore 2 Duo E6320Xeon L3406
Socket
LGA775
LGA1156
PCIe Generation
PCIe 1.1
PCIe 2.0+82%
Max RAM Speed
1066
Max RAM Capacity
16
RAM Channels
2
ECC Support
No
PCIe Lanes
16
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Advanced Features

Virtualization: true (Core 2 Duo E6320) / not specified (Xeon L3406). Direct competitor: Core 2 Duo E6320 rivals Athlon 64 X2 4200+.

FeatureCore 2 Duo E6320Xeon L3406
Integrated GPU
No
IGPU Model
None
Unlocked
No
AVX-512
No
Virtualization
true
💰

Value Analysis

At launch, the Core 2 Duo E6320 was priced at $163, while the Xeon L3406 came in at $189. On launch pricing ($163 vs $189), Core 2 Duo E6320 was $26 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 2 Duo E6320 delivers 6.8 pts/$ vs 5.8 pts/$ for the Xeon L3406 — making the Core 2 Duo E6320 the 15.8% better value option.

FeatureCore 2 Duo E6320Xeon L3406
MSRP
$163-14%
$189
Performance per Dollar
6.8+17%
5.8
Release Date
2007
2010

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