Atom C3858 vs Xeon E3-1235L v5

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 Atom C3858 is positioned at rank 310 and the Xeon E3-1235L v5 is on rank 555, so the Atom C3858 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 Atom C3858

#1

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

4536%

#6

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

856%

#10

Xeon 6337P

MSRP: $60|Avg: $5

761%

#15

EPYC 9174F

MSRP: $194|Avg: $30

588%

#237

Xeon w3-2535

MSRP: $739|Avg: $800

99%

#239

EPYC 7313P

MSRP: $913|Avg: $824

98%

#240

Ryzen 7 PRO 1700

MSRP: $329|Avg: $60

98%

#310

Atom C3858

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon E3-1235L v5

#1

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

8290%

#6

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

1565%

#10

Xeon 6337P

MSRP: $60|Avg: $5

1391%

#15

EPYC 9174F

MSRP: $194|Avg: $30

1074%

#335

Xeon Gold 6430

MSRP: $2128|Avg: $1850

99%

#336

Xeon Gold 6421N

MSRP: $2368|Avg: $2427

99%

#337

EPYC 7F72

MSRP: $2131|Avg: $2131

99%

#338

Xeon W-2265

MSRP: $1039|Avg: $663

99%

#339

Xeon w7-3555

MSRP: $2749|Avg: $2199

98%

#340

Xeon w7-3445

MSRP: $1989|Avg: $2596

98%

#341

EPYC 9275F

MSRP: $3439|Avg: $3439

98%

#342

Ryzen Threadripper PRO 7975WX

MSRP: $3899|Avg: $3971.7

98%

#343

EPYC 7543P

MSRP: $2730|Avg: $115

97%

#344

EPYC 9455P

MSRP: $4819|Avg: $4366

97%

#345

EPYC 9274F

MSRP: $3060|Avg: $2490

96%

#346

Xeon Gold 6438Y+

MSRP: $2607|Avg: $389

96%

#555

Xeon E3-1235L v5

MSRP: N/A|Avg: N/A

100%

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 C3858 (2017) utilizes 14 nm technology and DDR4: 2400, providing a fundamental performance advantage.

Insight	Atom C3858	Xeon E3-1235L v5
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	✨ Modern (Goldmont (2016−2017) / 14 nm)	🛑 Legacy (Skylake-DT (2015) / 14 nm)

💎 Value Proposition

The Xeon E3-1235L v5 (2015) relies on 14 nm technology and DDR4-1866/2133, DDR3L-1333/1600, placing it in a different performance category relative to modern standards.

Insight	Atom C3858	Xeon E3-1235L v5
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.

Atom C3858 Benchmark Check

Xeon E3-1235L v5 Benchmark Check

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Technical Specifications

Side-by-side comparison of Atom C3858 and Xeon E3-1235L v5

Atom C3858

The Atom C3858 is manufactured by Intel. It was released in 15 August 2017 (8 years ago). It is based on the Goldmont (2016−2017) architecture. It features 12 cores and 12 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 12 MB. L2 cache: 12 MB. Built on 14 nm process technology. Socket: FCBGA1310. Thermal design power (TDP): 25 Watt. Memory support: DDR4: 2400. Passmark benchmark score: 5,040 points. Launch price was $332.

Xeon E3-1235L v5

The Xeon E3-1235L v5 is manufactured by Intel. It was released in 19 October 2015 (10 years ago). It is based on the Skylake-DT (2015) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 25 Watt. Memory support: DDR4-1866/2133, DDR3L-1333/1600. Passmark benchmark score: 5,013 points. Launch price was $250.

⚡

Processing Power

The Atom C3858 packs 12 cores / 12 threads, while the Xeon E3-1235L v5 offers 4 cores / 4 threads — the Atom C3858 has 8 more cores. Boost clocks reach 2 GHz on the Atom C3858 versus 3 GHz on the Xeon E3-1235L v5 — a 40% clock advantage for the Xeon E3-1235L v5 (base: 2 GHz vs 2 GHz). The Atom C3858 uses the Goldmont (2016−2017) architecture (14 nm), while the Xeon E3-1235L v5 uses Skylake-DT (2015) (14 nm). In PassMark, the Atom C3858 scores 5,040 against the Xeon E3-1235L v5's 5,013 — a 0.5% lead for the Atom C3858. L3 cache: 12 MB on the Atom C3858 vs 8 MB (total) on the Xeon E3-1235L v5.

Feature	Atom C3858	Xeon E3-1235L v5
Cores / Threads	12 / 12+200%	4 / 4
Boost Clock	2 GHz	3 GHz+50%
Base Clock	2 GHz	2 GHz
L3 Cache	12 MB+50%	8 MB (total)
L2 Cache	12 MB+4700%	256 kB (per core)
Process	14 nm	14 nm
Architecture	Goldmont (2016−2017)	Skylake-DT (2015)
PassMark	5,040	5,013

🧠

Memory & Platform

The Atom C3858 uses the FCBGA1310 socket (PCIe 3.0), while the Xeon E3-1235L v5 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Atom C3858	Xeon E3-1235L v5
Socket	FCBGA1310	LGA1151
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2400	—
Max RAM Capacity	256 GB	—
RAM Channels	2	—
ECC Support	✅	—
PCIe Lanes	12	—