Xeon E5345 vs Atom x7-E3950

Xeon E5345

4 Cores4 Thrd80 WWMax: 0.33 GHz2006

Atom x7-E3950

4 Cores4 Thrd12 WWMax: 2 GHz2016

Performance Spectrum - CPU

Xeon E5345

4 / 4

1,868

+0.2%

Core 2 Duo E7400

Celeron Dual-Core SU2300

1,864

0.0%

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 E5345 is positioned at rank 887 and the Atom x7-E3950 is on rank 480, so the Atom x7-E3950 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 E5345

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

22251%

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

4201%

#10

Xeon 6337P

MSRP: $60|Avg: $5

3733%

#15

EPYC 9174F

MSRP: $194|Avg: $30

2884%

#498

Xeon E5-1681 V3

MSRP: $1589|Avg: $200

100%

#499

Xeon W-3275

MSRP: $4449|Avg: $1550

99%

#500

Xeon Gold 6138

MSRP: $2612|Avg: $300

99%

#501

Xeon E5-2690 v4

MSRP: $2090|Avg: $389

99%

#502

Xeon Platinum 8362

MSRP: $6236|Avg: $5740

98%

#503

Xeon W-3275M

MSRP: $4449|Avg: $4449

97%

#504

Xeon E5-2660 v3

MSRP: $1445|Avg: $150

97%

#505

Xeon E5-2679 v4

MSRP: $2702|Avg: $500

96%

#887

Xeon E5345

MSRP: N/A|Avg: N/A

100%

#893

Xeon E5502

MSRP: $188|Avg: $39

98%

#898

Xeon W-2225

MSRP: $1166|Avg: $150

96%

#900

Xeon E5-2650L v3

MSRP: $1329|Avg: N/A

96%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Atom x7-E3950

#153

Core i7-1370P

MSRP: $438|Avg: $280

98%

#467

Atom x5-Z8300

MSRP: $20|Avg: N/A

630%

#468

Atom Z3735G

MSRP: $17|Avg: N/A

620%

#469

Core i5-480M

MSRP: $81|Avg: $77

570%

#470

Core i5-460M

MSRP: $80|Avg: $129

567%

#471

Core i5-2540M

MSRP: $266|Avg: $10

562%

#473

Core i5-450M

MSRP: $32|Avg: $31

542%

#474

Core i3-380M

MSRP: $49|Avg: $25

520%

#475

Core i5-430M

MSRP: N/A|Avg: $33

519%

#476

Core 2 Duo T6600

MSRP: N/A|Avg: $4

505%

#480

Atom x7-E3950

MSRP: N/A|Avg: N/A

100%

#487

Processor U300

MSRP: $193|Avg: $180

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 Atom x7-E3950 (2016) utilizes 14 nm technology and DDR3, DDR4, providing a fundamental performance advantage.

Insight	Xeon E5345	Atom x7-E3950
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Clovertown (2006−2007) / 65 nm)	🛑 Legacy (Apollo Lake (2014−2016) / 14 nm)

💎 Value Proposition

The Xeon E5345 (2006) relies on 65 nm technology and **DDR2, DDR3 Depends on motherboard**, placing it in a different performance category relative to modern standards.

Insight	Xeon E5345	Atom x7-E3950
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 E5345 Benchmark Check

Atom x7-E3950 Benchmark Check

Technical Specifications

Side-by-side comparison of Xeon E5345 and Atom x7-E3950

Xeon E5345

The Xeon E5345 is manufactured by Intel. It was released in 14 November 2006 (19 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2.33 GHz, with boost up to 0.33 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,868 points. Launch price was $851.

Atom x7-E3950

The Atom x7-E3950 is manufactured by Intel. It was released in 30 August 2014 (11 years ago). It is based on the Apollo Lake (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 14 nm process technology. Socket: FCBGA1296. Thermal design power (TDP): 12 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 1,864 points. Launch price was $57.

⚡

Processing Power

Both the Xeon E5345 and Atom x7-E3950 share an identical 4-core/4-thread configuration. Boost clocks reach 0.33 GHz on the Xeon E5345 versus 2 GHz on the Atom x7-E3950 — a 143.3% clock advantage for the Atom x7-E3950 (base: 2.33 GHz vs 1.6 GHz). The Xeon E5345 uses the Clovertown (2006−2007) architecture (65 nm), while the Atom x7-E3950 uses Apollo Lake (2014−2016) (14 nm). In PassMark, the Xeon E5345 scores 1,868 against the Atom x7-E3950's 1,864 — a 0.2% lead for the Xeon E5345. L3 cache: 8 MB L2 Cache on the Xeon E5345 vs 0 kB on the Atom x7-E3950.

Feature	Xeon E5345	Atom x7-E3950
Cores / Threads	4 / 4	4 / 4
Boost Clock	0.33 GHz	2 GHz+506%
Base Clock	2.33 GHz+46%	1.6 GHz
L3 Cache	8 MB L2 Cache	0 kB
L2 Cache	4 MB (total)+100%	2 MB (total)
Process	65 nm	14 nm-78%
Architecture	Clovertown (2006−2007)	Apollo Lake (2014−2016)
PassMark	1,868	1,864
Geekbench 6 Single	—	245

🧠

Memory & Platform

The Xeon E5345 uses the LGA771 socket (PCIe 2.0), while the Atom x7-E3950 uses FCBGA1296 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Xeon E5345	Atom x7-E3950
Socket	LGA771	FCBGA1296
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	—	LPDDR4-2400
Max RAM Capacity	—	8 GB
RAM Channels	—	4
ECC Support	—	✅
PCIe Lanes	—	6

🔧

Advanced Features

Virtualization: not specified (Xeon E5345) / VT-x, VT-d (Atom x7-E3950). The Atom x7-E3950 includes integrated graphics (HD Graphics 505), while the Xeon E5345 requires a dedicated GPU.