Core i3-N300 vs Xeon E5-2665

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 i3-N300 is positioned at rank 761 and the Xeon E5-2665 is on rank 348, so the Xeon E5-2665 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 i3-N300

#749

Atom x5-Z8300

MSRP: $20|Avg: N/A

1094%

#750

Atom Z3735G

MSRP: $17|Avg: N/A

1078%

#751

Core i5-480M

MSRP: $81|Avg: $77

990%

#752

Core i5-460M

MSRP: $80|Avg: $129

985%

#753

Core i5-2540M

MSRP: $266|Avg: $10

976%

#755

Core i5-450M

MSRP: $32|Avg: $31

943%

#756

Core i3-380M

MSRP: $49|Avg: $25

904%

#757

Core i5-430M

MSRP: N/A|Avg: $33

903%

#758

Core 2 Duo T6600

MSRP: N/A|Avg: $4

878%

#761

Core i3-N300

MSRP: $309|Avg: $309

100%

#767

Core i7-1250U

MSRP: $426|Avg: N/A

99%

#772

Core i7-9750HF

MSRP: $395|Avg: $395

98%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon E5-2665

#1

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

5011%

#6

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

946%

#10

Xeon 6337P

MSRP: $60|Avg: $5

841%

#15

EPYC 9174F

MSRP: $194|Avg: $30

649%

#253

Xeon W-2150B

MSRP: $499|Avg: $400

99%

#255

Xeon 6517P

MSRP: $1195|Avg: $1195

99%

#348

Xeon E5-2665

MSRP: N/A|Avg: N/A

100%

#362

Xeon E5-2667 v2

MSRP: $300|Avg: $300

98%

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 Core i3-N300 (2023) utilizes Intel 7 nm technology and DDR4-3200, DDR5-4800, LPDDR5-4800, providing a fundamental performance advantage.

Insight	Core i3-N300	Xeon E5-2665
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($309)	✅ More affordable ($0)
Longevity	✨ Modern (Alder Lake-N (2023) / Intel 7 nm)	🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm)

💎 Value Proposition

The Xeon E5-2665 (2012) relies on 32 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Core i3-N300	Xeon E5-2665
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($309)	✅ 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.

Core i3-N300 Benchmark Check

Xeon E5-2665 Benchmark Check

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Technical Specifications

Side-by-side comparison of Core i3-N300 and Xeon E5-2665

Core i3-N300

The Core i3-N300 is manufactured by Intel. It was released in 3 January 2023 (2 years ago). It is based on the Alder Lake-N (2023) architecture. It features 8 cores and 8 threads. Base frequency is 0.1 GHz, with boost up to 3.8 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (per module). Built on Intel 7 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 7 Watt. Memory support: DDR4-3200, DDR5-4800, LPDDR5-4800. Passmark benchmark score: 8,283 points. Launch price was $309.

Xeon E5-2665

The Xeon E5-2665 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 8 cores and 16 threads. Base frequency is 2.4 GHz, with boost up to 3.1 GHz. L3 cache: 20480 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 115 Watt. Memory support: DDR3. Passmark benchmark score: 8,293 points. Launch price was $142.

⚡

Processing Power

The Core i3-N300 packs 8 cores / 8 threads, matching the Xeon E5-2665's 8 cores. Boost clocks reach 3.8 GHz on the Core i3-N300 versus 3.1 GHz on the Xeon E5-2665 — a 20.3% clock advantage for the Core i3-N300 (base: 0.1 GHz vs 2.4 GHz). The Core i3-N300 uses the Alder Lake-N (2023) architecture (Intel 7 nm), while the Xeon E5-2665 uses Sandy Bridge-EP (2012) (32 nm). In PassMark, the Core i3-N300 scores 8,283 against the Xeon E5-2665's 8,293 — a 0.1% lead for the Xeon E5-2665. L3 cache: 6 MB (total) on the Core i3-N300 vs 20480 kB (total) on the Xeon E5-2665.

Feature	Core i3-N300	Xeon E5-2665
Cores / Threads	8 / 8	8 / 16
Boost Clock	3.8 GHz+23%	3.1 GHz
Base Clock	0.1 GHz	2.4 GHz+2300%
L3 Cache	6 MB (total)	20480 kB (total)+233%
L2 Cache	2 MB (per module)+700%	256 kB (per core)
Process	Intel 7 nm-78%	32 nm
Architecture	Alder Lake-N (2023)	Sandy Bridge-EP (2012)
PassMark	8,283	8,293

🧠

Memory & Platform

The Core i3-N300 uses the FCBGA1264 socket (PCIe 5.0), while the Xeon E5-2665 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core i3-N300	Xeon E5-2665
Socket	FCBGA1264	LGA2011
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	—	DDR3-1600
Max RAM Capacity	—	384 GB
RAM Channels	—	4
ECC Support	—	✅
PCIe Lanes	—	40