Xeon E5-2643 vs Pentium Silver N6005

Xeon E5-2643

4 Cores8 Thrd130 WWMax: 3.5 GHz2012

Pentium Silver N6005

4 Cores4 Thrd10 WWMax: 3.3 GHz2021

Performance Spectrum - CPU

Xeon E5-2643

4 / 8

5,228

0.0%

5,253

+0.5%

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 E5-2643 is positioned at rank 1009 and the Pentium Silver N6005 is on rank 414, so the Pentium Silver N6005 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 E5-2643

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

61669%

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

11644%

#10

Xeon 6337P

MSRP: $60|Avg: $5

10345%

#15

EPYC 9174F

MSRP: $194|Avg: $30

7992%

#540

Xeon E7-8891 v3

MSRP: $6841|Avg: $418

94%

#541

Xeon E5-4669 v4

MSRP: $7007|Avg: $300

74%

#1009

Xeon E5-2643

MSRP: $1552|Avg: $50

100%

#1010

Xeon E5-2637

MSRP: $885|Avg: $40

100%

#1011

Xeon W3570

MSRP: $999|Avg: $15

97%

#1013

Xeon E5-4620

MSRP: $2141|Avg: $400

92%

#1014

Xeon E5-2680

MSRP: $3226|Avg: $40

85%

#1016

Xeon E5-4640

MSRP: $2725|Avg: N/A

76%

#1018

Xeon E5-4650

MSRP: $3616|Avg: $71

71%

#1019

Xeon E5-4655 v4

MSRP: $4616|Avg: N/A

70%

#1020

Xeon E5-4650L

MSRP: $3616|Avg: N/A

70%

#1021

Xeon E-2224

MSRP: $3226|Avg: $195

66%

#1022

Athlon MP 2400+

MSRP: $151|Avg: $20

60%

#1023

Xeon E5-2650L v2

MSRP: $4115|Avg: $1078

55%

#1024

Xeon E5-2640 v2

MSRP: $4115|Avg: $530

55%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium Silver N6005

#124

Core i5-1240P

MSRP: $309|Avg: $200

100%

#125

Core i7-13700H

MSRP: $502|Avg: N/A

99%

#402

Atom x5-Z8300

MSRP: $20|Avg: N/A

559%

#403

Atom Z3735G

MSRP: $17|Avg: N/A

550%

#404

Core i5-480M

MSRP: $81|Avg: $77

505%

#405

Core i5-460M

MSRP: $80|Avg: $129

503%

#406

Core i5-2540M

MSRP: $266|Avg: $10

498%

#408

Core i5-450M

MSRP: $32|Avg: $31

481%

#409

Core i3-380M

MSRP: $49|Avg: $25

461%

#410

Core i5-430M

MSRP: N/A|Avg: $33

461%

#411

Core 2 Duo T6600

MSRP: N/A|Avg: $4

448%

#414

Pentium Silver N6005

MSRP: N/A|Avg: N/A

100%

#421

Core i5-9400H

MSRP: $182|Avg: N/A

99%

#426

Celeron 2981U

MSRP: $137|Avg: N/A

99%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Pentium Silver N6005 (2021) utilizes 10 nm technology and DDR4, providing a fundamental performance advantage.

Insight	Xeon E5-2643	Pentium Silver N6005
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($50)	✅ More affordable ($0)
Longevity	🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm)	✨ Modern (Jasper Lake (2021) / 10 nm)

💎 Value Proposition

The Xeon E5-2643 (2012) relies on 32 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Xeon E5-2643	Pentium Silver N6005
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($50)	✅ More affordable ($0)

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 E5-2643 Benchmark Check

Pentium Silver N6005 Benchmark Check

Technical Specifications

Side-by-side comparison of Xeon E5-2643 and Pentium Silver N6005

Xeon E5-2643

The Xeon E5-2643 is manufactured by Intel. It was released in 6 March 2012 (13 years ago). It is based on the Sandy Bridge-EP (2012) architecture. It features 4 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 3.5 GHz. L3 cache: 10240 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 5,228 points. Launch price was $218.

Pentium Silver N6005

The Pentium Silver N6005 is manufactured by Intel. It was released in 2007-01-01. It is based on the Jasper Lake (2021) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB (total). L2 cache: 1.5 MB (total). Built on 10 nm process technology. Socket: BGA1338. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 5,253 points. Launch price was $69.

⚡

Processing Power

The Xeon E5-2643 packs 4 cores / 8 threads, matching the Pentium Silver N6005's 4 cores. Boost clocks reach 3.5 GHz on the Xeon E5-2643 versus 3.3 GHz on the Pentium Silver N6005 — a 5.9% clock advantage for the Xeon E5-2643 (base: 3.3 GHz vs 2 GHz). The Xeon E5-2643 uses the Sandy Bridge-EP (2012) architecture (32 nm), while the Pentium Silver N6005 uses Jasper Lake (2021) (10 nm). In PassMark, the Xeon E5-2643 scores 5,228 against the Pentium Silver N6005's 5,253 — a 0.5% lead for the Pentium Silver N6005. L3 cache: 10240 kB (total) on the Xeon E5-2643 vs 4 MB (total) on the Pentium Silver N6005.

Feature	Xeon E5-2643	Pentium Silver N6005
Cores / Threads	4 / 8	4 / 4
Boost Clock	3.5 GHz+6%	3.3 GHz
Base Clock	3.3 GHz+65%	2 GHz
L3 Cache	10240 kB (total)+150%	4 MB (total)
L2 Cache	256 kB (per core)	1.5 MB (total)+500%
Process	32 nm	10 nm-69%
Architecture	Sandy Bridge-EP (2012)	Jasper Lake (2021)
PassMark	5,228	5,253

🧠

Memory & Platform

The Xeon E5-2643 uses the LGA2011 socket (PCIe 5.0), while the Pentium Silver N6005 uses BGA1338 (PCIe 4.0) — making them incompatible on the same motherboard.