Core i7-6650U vs Xeon E5620

Core i7-6650U

2 Cores4 Thrd15 WWMax: 3.4 GHz2015

Xeon E5620

4 Cores8 Thrd80 WWMax: 2.66 GHz2010

Performance Spectrum - CPU

Core i7-6650U

2 / 4

3,557

0.0%

3,621

+1.8%

Pentium Dual Core T3400

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 Core i7-6650U is positioned at rank 436 and the Xeon E5620 is on rank 649, so the Core i7-6650U 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 Core i7-6650U

#424

Atom x5-Z8300

MSRP: $20|Avg: N/A

577%

#425

Atom Z3735G

MSRP: $17|Avg: N/A

569%

#426

Core i5-480M

MSRP: $81|Avg: $77

522%

#427

Core i5-460M

MSRP: $80|Avg: $129

520%

#428

Core i5-2540M

MSRP: $266|Avg: $10

515%

#430

Core i5-450M

MSRP: $32|Avg: $31

498%

#431

Core i3-380M

MSRP: $49|Avg: $25

477%

#432

Core i5-430M

MSRP: N/A|Avg: $33

476%

#433

Core 2 Duo T6600

MSRP: N/A|Avg: $4

463%

#436

Core i7-6650U

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon E5620

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

11476%

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

2167%

#10

Xeon 6337P

MSRP: $60|Avg: $5

1925%

#15

EPYC 9174F

MSRP: $194|Avg: $30

1487%

#385

EPYC 9375F

MSRP: $5306|Avg: $108

100%

#386

Xeon w9-3475X

MSRP: $3739|Avg: $3930

96%

#388

EPYC 9254

MSRP: $3761|Avg: $1099

94%

#389

Xeon Gold 5220R

MSRP: $1780|Avg: $1015

94%

#390

EPYC 9555P

MSRP: $7983|Avg: $6130

94%

#391

Xeon Gold 5218

MSRP: $1273|Avg: $500

94%

#649

Xeon E5620

MSRP: N/A|Avg: N/A

100%

#650

Xeon E3-1275L v3

MSRP: $350|Avg: $29

100%

#652

Xeon E5-1650 v3

MSRP: $583|Avg: N/A

98%

#654

Xeon E3-1225

MSRP: $224|Avg: $205

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 E5620 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.

Insight	Core i7-6650U	Xeon E5620
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Skylake (2015−2016) / 14 nm)	🛑 Legacy (Westmere-EP (2010−2011) / 32 nm)

💎 Value Proposition

The Core i7-6650U ($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	Core i7-6650U	Xeon E5620
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.

Core i7-6650U Benchmark Check

Xeon E5620 Benchmark Check

Technical Specifications

Side-by-side comparison of Core i7-6650U and Xeon E5620

Core i7-6650U

The Core i7-6650U is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 3.4 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,557 points. Launch price was $415.

Xeon E5620

The Xeon E5620 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 8 threads. Base frequency is 2.4 GHz, with boost up to 2.66 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 3,621 points. Launch price was $35.

⚡

Processing Power

The Core i7-6650U packs 2 cores / 4 threads, while the Xeon E5620 offers 4 cores / 8 threads — the Xeon E5620 has 2 more cores. Boost clocks reach 3.4 GHz on the Core i7-6650U versus 2.66 GHz on the Xeon E5620 — a 24.4% clock advantage for the Core i7-6650U (base: 2.2 GHz vs 2.4 GHz). The Core i7-6650U uses the Skylake (2015−2016) architecture (14 nm), while the Xeon E5620 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i7-6650U scores 3,557 against the Xeon E5620's 3,621 — a 1.8% lead for the Xeon E5620. L3 cache: 4 MB on the Core i7-6650U vs 12 MB (total) on the Xeon E5620.

Feature	Core i7-6650U	Xeon E5620
Cores / Threads	2 / 4	4 / 8+100%
Boost Clock	3.4 GHz+28%	2.66 GHz
Base Clock	2.2 GHz	2.4 GHz+9%
L3 Cache	4 MB	12 MB (total)+200%
L2 Cache	512 kB+100%	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Skylake (2015−2016)	Westmere-EP (2010−2011)
PassMark	3,557	3,621+2%

🧠

Memory & Platform

The Core i7-6650U uses the BGA1356 socket (PCIe 3.0), while the Xeon E5620 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.