Atom C3858 vs Xeon E3-1235

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 E3-1235 is on rank 607, 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 E3-1235

#1

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

9757%

#6

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

1842%

#10

Xeon 6337P

MSRP: $60|Avg: $5

1637%

#15

EPYC 9174F

MSRP: $194|Avg: $30

1264%

#363

Xeon W-2191B

MSRP: $1333|Avg: $39

100%

#364

Xeon Gold 5320

MSRP: $1780|Avg: $1834

99%

#365

EPYC 7513

MSRP: $2840|Avg: $389

99%

#366

Xeon Silver 4216

MSRP: $1011|Avg: $800

98%

#367

EPYC 9454P

MSRP: $4598|Avg: $3333

97%

#369

Xeon Gold 6542Y

MSRP: $2878|Avg: N/A

94%

#370

EPYC 7502

MSRP: $2600|Avg: $1299

94%

#607

Xeon E3-1235

MSRP: $240|Avg: $270

100%

#611

Xeon E3-1265L v3

MSRP: $294|Avg: $398

99%

#612

Xeon E3-1280 v2

MSRP: $315|Avg: $50

99%

#618

Xeon W-2133

MSRP: $617|Avg: $617

96%

#622

Xeon E5607

MSRP: $135|Avg: $27

93%

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 E3-1235
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($270)
Longevity	✨ Modern (Goldmont (2016−2017) / 14 nm)	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)

💎 Value Proposition

The Xeon E3-1235 (2011) relies on 32 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Atom C3858	Xeon E3-1235
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($270)

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 E3-1235 Benchmark Check

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Technical Specifications

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

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 E3-1235

The Xeon E3-1235 is manufactured by Intel. It was released in 3 April 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.2 GHz, with boost up to 3.6 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,112 points. Launch price was $287.

⚡

Processing Power

The Atom C3858 packs 12 cores / 12 threads, while the Xeon E3-1235 offers 4 cores / 8 threads — the Atom C3858 has 8 more cores. Boost clocks reach 2 GHz on the Atom C3858 versus 3.6 GHz on the Xeon E3-1235 — a 57.1% clock advantage for the Xeon E3-1235 (base: 2 GHz vs 3.2 GHz). The Atom C3858 uses the Goldmont (2016−2017) architecture (14 nm), while the Xeon E3-1235 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Atom C3858 scores 5,040 against the Xeon E3-1235's 5,112 — a 1.4% lead for the Xeon E3-1235. L3 cache: 12 MB on the Atom C3858 vs 8 MB (total) on the Xeon E3-1235.

Feature	Atom C3858	Xeon E3-1235
Cores / Threads	12 / 12+200%	4 / 8
Boost Clock	2 GHz	3.6 GHz+80%
Base Clock	2 GHz	3.2 GHz+60%
L3 Cache	12 MB+50%	8 MB (total)
L2 Cache	12 MB+4700%	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Goldmont (2016−2017)	Sandy Bridge (2011−2013)
PassMark	5,040	5,112+1%

🧠

Memory & Platform

The Atom C3858 uses the FCBGA1310 socket (PCIe 3.0), while the Xeon E3-1235 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Atom C3858	Xeon E3-1235
Socket	FCBGA1310	LGA1155
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2400	—
Max RAM Capacity	256 GB	—
RAM Channels	2	—
ECC Support	✅	—
PCIe Lanes	12	—