Xeon X6550 vs Core i5-520UM

Xeon X6550

8 Cores16 Thrd130 WWMax: 2.4 GHz2010

Core i5-520UM

2 Cores4 Thrd18 WWMax: 1.87 GHz2010

Performance Spectrum - CPU

Xeon X6550

1,936

0.0%

1,943

+0.4%

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 X6550 is positioned at rank 879 and the Core i5-520UM is on rank 130, so the Core i5-520UM 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 X6550

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

21469%

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

4054%

#10

Xeon 6337P

MSRP: $60|Avg: $5

3601%

#15

EPYC 9174F

MSRP: $194|Avg: $30

2782%

#494

EPYC 9184X

MSRP: $4928|Avg: $3750

100%

#495

Xeon Platinum 8470

MSRP: $9359|Avg: $9359

99%

#496

Xeon E7-8857 v2

MSRP: $3838|Avg: $2995

98%

#497

Xeon Gold 6148

MSRP: $3072|Avg: $290

98%

#498

Xeon E5-1681 V3

MSRP: $1589|Avg: $200

96%

#499

Xeon W-3275

MSRP: $4449|Avg: $1550

96%

#500

Xeon Gold 6138

MSRP: $2612|Avg: $300

95%

#501

Xeon E5-2690 v4

MSRP: $2090|Avg: $389

95%

#502

Xeon Platinum 8362

MSRP: $6236|Avg: $5740

94%

#879

Xeon X6550

MSRP: N/A|Avg: N/A

100%

#881

Xeon E5-2430L

MSRP: $551|Avg: $250

99%

#886

Xeon X3460

MSRP: $316|Avg: $25

97%

#893

Xeon E5502

MSRP: $188|Avg: $39

95%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i5-520UM

#36

Core i5-11500B

MSRP: $185|Avg: $185

95%

#118

Atom x5-Z8300

MSRP: $20|Avg: N/A

302%

#119

Atom Z3735G

MSRP: $17|Avg: N/A

298%

#120

Core i5-480M

MSRP: $81|Avg: $77

273%

#121

Core i5-460M

MSRP: $80|Avg: $129

272%

#122

Core i5-2540M

MSRP: $266|Avg: $10

269%

#124

Core i5-450M

MSRP: $32|Avg: $31

260%

#125

Core i3-380M

MSRP: $49|Avg: $25

250%

#126

Core i5-430M

MSRP: N/A|Avg: $33

249%

#127

Core 2 Duo T6600

MSRP: N/A|Avg: $4

242%

#130

Core i5-520UM

MSRP: N/A|Avg: N/A

100%

#137

N200

MSRP: $193|Avg: N/A

97%

#138

Core 2 Duo SP9600

MSRP: $316|Avg: N/A

97%

#140

Core 2 Duo P8700

MSRP: $241|Avg: $85

96%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Use Case Distinction: This is a comparison between a Professional Workstation processor ($0) and a Consumer Desktop CPU. The Xeon X6550 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.

Insight	Xeon X6550	Core i5-520UM
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Legacy / 45 nm)	🛑 Legacy (Arrandale (2010−2011) / 32 nm)

💎 Value Proposition

The Core i5-520UM ($0), however, is optimized for mixed workloads and gaming. For most users, it offers superior single-thread performance and responsiveness at a fraction of the cost ($0 less, NaN% cheaper), making it the better choice for daily use and gaming.

Insight	Xeon X6550	Core i5-520UM
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

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.

Xeon X6550 Benchmark Check

Core i5-520UM Benchmark Check

Technical Specifications

Side-by-side comparison of Xeon X6550 and Core i5-520UM

Xeon X6550

The Xeon X6550 is manufactured by Intel. It was released in 2015-01-01. It features 8 cores and 16 threads. Base frequency is 2 GHz, with boost up to 2.4 GHz. L3 cache: 18 MB L3 Cache. Built on 45 nm process technology. Socket: LGA1567. Thermal design power (TDP): 130 Watt. Passmark benchmark score: 1,936 points. Launch price was $800.

Core i5-520UM

The Core i5-520UM is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.07 GHz, with boost up to 1.87 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 1,943 points. Launch price was $241.

⚡

Processing Power

The Xeon X6550 packs 8 cores / 16 threads, while the Core i5-520UM offers 2 cores / 4 threads — the Xeon X6550 has 6 more cores. Boost clocks reach 2.4 GHz on the Xeon X6550 versus 1.87 GHz on the Core i5-520UM — a 24.8% clock advantage for the Xeon X6550 (base: 2 GHz vs 1.07 GHz). The Core i5-520UM is built on the Arrandale (2010−2011) architecture. In PassMark, the Xeon X6550 scores 1,936 against the Core i5-520UM's 1,943 — a 0.4% lead for the Core i5-520UM. L3 cache: 18 MB L3 Cache on the Xeon X6550 vs 3 MB on the Core i5-520UM.

Feature	Xeon X6550	Core i5-520UM
Cores / Threads	8 / 16+300%	2 / 4
Boost Clock	2.4 GHz+28%	1.87 GHz
Base Clock	2 GHz+87%	1.07 GHz
L3 Cache	18 MB L3 Cache+500%	3 MB
L2 Cache	—	512 kB
Process	45 nm	32 nm-29%
Architecture	—	Arrandale (2010−2011)
PassMark	1,936	1,943

🧠

Memory & Platform

The Xeon X6550 uses the LGA1567 socket (PCIe 5.0), while the Core i5-520UM uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Xeon X6550 versus 800 on the Core i5-520UM — the Core i5-520UM supports 198.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 4 (Xeon X6550) vs 2 (Core i5-520UM). Chipset compatibility: Nehalem-EX (Xeon X6550) and HM55,HM57,QM57,QS57 (Core i5-520UM).

Feature	Xeon X6550	Core i5-520UM
Socket	LGA1567	BGA1288
PCIe Generation	PCIe 5.0+150%	PCIe 2.0
Max RAM Speed	DDR3-1333	800+26567%
Max RAM Capacity	—	8
RAM Channels	4+100%	2
ECC Support	✅	❌
PCIe Lanes	—	16

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Xeon X6550) vs true (Core i5-520UM). The Core i5-520UM includes integrated graphics (Intel HD Graphics (Ironlake)), while the Xeon X6550 requires a dedicated GPU. Primary use case: Xeon X6550 targets Server. Direct competitor: Xeon X6550 rivals Core i7-980X; Core i5-520UM rivals Core 2 Duo SU9400.