Xeon L3406
VS
Xeon 5120

Xeon L3406 vs Xeon 5120

Intel

Xeon L3406

2 Cores4 Thrd30 WWMax: 2.53 GHz2010
VS
Intel

Xeon 5120

2 Cores2 Thrd65 WWMax: 1.87 GHz2006

Performance Spectrum - CPU

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Xeon L3406 is positioned at rank 969 and the Xeon 5120 is on rank 857, so the Xeon 5120 offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Xeon L3406

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
35586%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
6719%
#10
Xeon 6337P
MSRP: $60|Avg: $5
5970%
#15
EPYC 9174F
MSRP: $194|Avg: $30
4612%
#535
Xeon W-3245M
MSRP: $5002|Avg: $5002
98%
#536
Xeon W-3265M
MSRP: $6300|Avg: $3500
97%
#969
Xeon L3406
MSRP: $189|Avg: $30
100%
#970
Xeon E5-2687W v2
MSRP: $2112|Avg: $62
100%
#972
Xeon L5430
MSRP: $390|Avg: $380
99%
#973
Xeon E5-2470
MSRP: $1440|Avg: $125
99%
#974
Xeon E5-2670
MSRP: $1552|Avg: $60
98%
#976
Xeon X3470
MSRP: $589|Avg: $16
97%
#979
Xeon E5-2689
MSRP: $1800|Avg: $18
94%
#980
Xeon E5-2450L
MSRP: $1106|Avg: $78
94%
#981
Xeon X3480
MSRP: $612|Avg: $48
93%
#982
Xeon E5-2687W
MSRP: $1885|Avg: $70
91%
#983
Xeon E5-4610
MSRP: $1219|Avg: $50
91%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon 5120

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
19945%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
3766%
#10
Xeon 6337P
MSRP: $60|Avg: $5
3346%
#15
EPYC 9174F
MSRP: $194|Avg: $30
2585%
#484
EPYC 7773X
MSRP: $8800|Avg: $8800
100%
#485
Xeon Gold 6258R
MSRP: $3950|Avg: $1400
98%
#486
EPYC 9175F
MSRP: $4256|Avg: $3703
98%
#488
EPYC 9534
MSRP: $8803|Avg: $2999
97%
#489
EPYC 9654
MSRP: $11805|Avg: $5345
97%
#490
EPYC 7H12
MSRP: $6950|Avg: $1340
96%
#857
Xeon 5120
MSRP: $107|Avg: $15
100%
#859
Xeon W3530
MSRP: $294|Avg: $10
100%
#861
Xeon W3520
MSRP: $284|Avg: $15
99%
#862
Xeon E3-1271 v3
MSRP: $727|Avg: $831
99%
#863
Xeon E5603
MSRP: $188|Avg: N/A
99%
#871
Xeon 6315P
MSRP: $1166|Avg: $160
96%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Xeon L3406 leads in gaming performance. However, the Xeon 5120 is the stronger candidate for professional workloads, offering 1% greater multi-core processing power.
InsightXeon L3406Xeon 5120
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
⚠️ Higher cost ($30)
More affordable ($15)
Longevity
🛑 Legacy (Legacy / 32 nm)
🛑 Legacy (Woodcrest (2006) / 65 nm)

💎 Value Proposition

Efficiency: Even within a comparison of older hardware, the Xeon 5120 stands out as the superior choice. It is effectively 50% cheaper ($15 vs $30) while identifying as the stronger performer.
InsightXeon L3406Xeon 5120
Cost Efficiency
Lower cost efficiency
Better overall value (+102%)
Upfront Cost
⚠️ Higher cost ($30)
More affordable ($15)

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Technical Specifications

Side-by-side comparison of Xeon L3406 and Xeon 5120

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.

Intel

Xeon 5120

The Xeon 5120 is manufactured by Intel. It was released in Junho 2006 (19 years ago). It is based on the Woodcrest (2006) architecture. It features 2 cores and 2 threads. Base frequency is 1.86 GHz, with boost up to 1.87 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 65 Watt. Memory support: DDR2. Passmark benchmark score: 1,115 points. Launch price was $45.

Processing Power

The Xeon L3406 packs 2 cores / 4 threads, matching the Xeon 5120's 2 cores. Boost clocks reach 2.53 GHz on the Xeon L3406 versus 1.87 GHz on the Xeon 5120 — a 30% clock advantage for the Xeon L3406 (base: 2.26 GHz vs 1.86 GHz). The Xeon 5120 is built on the Woodcrest (2006) architecture. In PassMark, the Xeon L3406 scores 1,104 against the Xeon 5120's 1,115 — a 1% lead for the Xeon 5120. L3 cache: 4 MB Intel® Smart Cache on the Xeon L3406 vs 0 kB on the Xeon 5120.

FeatureXeon L3406Xeon 5120
Cores / Threads
2 / 4
2 / 2
Boost Clock
2.53 GHz+35%
1.87 GHz
Base Clock
2.26 GHz+22%
1.86 GHz
L3 Cache
4 MB Intel® Smart Cache
0 kB
L2 Cache
4 MB
Process
32 nm-51%
65 nm
Architecture
Woodcrest (2006)
PassMark
1,104
1,115
🧠

Memory & Platform

The Xeon L3406 uses the LGA1156 socket (PCIe 2.0), while the Xeon 5120 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureXeon L3406Xeon 5120
Socket
LGA1156
LGA771
PCIe Generation
PCIe 2.0
PCIe 2.0
💰

Value Analysis

The Xeon L3406 launched at $189 MSRP, while the Xeon 5120 debuted at $107. At current prices ($30 vs $15), the Xeon 5120 is $15 cheaper. In terms of value (PassMark points per dollar), the Xeon L3406 delivers 36.8 pts/$ vs 74.3 pts/$ for the Xeon 5120 — making the Xeon 5120 the 67.5% better value option.

FeatureXeon L3406Xeon 5120
MSRP
$189
$107-43%
Avg Price (30d)
$30
$15-50%
Performance per Dollar
36.8
74.3+102%
Release Date
2010
2006