Processor U300 vs Xeon E5-4648 V3

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 Processor U300 is positioned at rank 488 and the Xeon E5-4648 V3 is on rank 240, so the Xeon E5-4648 V3 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 Processor U300

#153

Core i7-1370P

MSRP: $438|Avg: $280

99%

#476

Atom x5-Z8300

MSRP: $20|Avg: N/A

636%

#477

Atom Z3735G

MSRP: $17|Avg: N/A

627%

#478

Core i5-480M

MSRP: $81|Avg: $77

576%

#479

Core i5-460M

MSRP: $80|Avg: $129

573%

#480

Core i5-2540M

MSRP: $266|Avg: $10

568%

#482

Core i5-450M

MSRP: $32|Avg: $31

548%

#483

Core i3-380M

MSRP: $49|Avg: $25

526%

#484

Core i5-430M

MSRP: N/A|Avg: $33

525%

#485

Core 2 Duo T6600

MSRP: N/A|Avg: $4

511%

#488

Processor U300

MSRP: $193|Avg: $180

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon E5-4648 V3

#1

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

3876%

#6

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

732%

#10

Xeon 6337P

MSRP: $60|Avg: $5

650%

#15

EPYC 9174F

MSRP: $194|Avg: $30

502%

#210

EPYC 8224P

MSRP: $855|Avg: $1048

99%

#214

Xeon 6521P

MSRP: $1250|Avg: $1250

97%

#215

Xeon E-2456

MSRP: N/A|Avg: $289

97%

#240

Xeon E5-4648 V3

MSRP: $169|Avg: $45

100%

#250

Xeon E5-2685 v3

MSRP: $2090|Avg: N/A

97%

#255

Ryzen 3 PRO 1200

MSRP: $109|Avg: $80

96%

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 Processor U300 (2023) utilizes 10 nm technology and **DDR4, DDR5 Dual-channel**, providing a fundamental performance advantage.

Insight	Processor U300	Xeon E5-4648 V3
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($180)	✅ More affordable ($45)
Longevity	✨ Modern (Raptor Lake-U (2023) / 10 nm)	🛑 Legacy (Haswell-EP (2014−2015) / 22 nm)

💎 Value Proposition

The Xeon E5-4648 V3 (2015) relies on 22 nm technology and DDR4-1866, placing it in a different performance category relative to modern standards.

Insight	Processor U300	Xeon E5-4648 V3
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+307%)
Upfront Cost	⚠️ Higher cost ($180)	✅ More affordable ($45)

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.

Processor U300 Benchmark Check

Xeon E5-4648 V3 Benchmark Check

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Technical Specifications

Side-by-side comparison of Processor U300 and Xeon E5-4648 V3

Processor U300

The Processor U300 is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 5 cores and 6 threads. Base frequency is 1.2 GHz, with boost up to 4.4 GHz. L3 cache: 8 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 8,897 points. Launch price was $193.

Xeon E5-4648 V3

The Xeon E5-4648 V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 1.7 GHz, with boost up to 2.2 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 105 Watt. Memory support: DDR4-1866. Passmark benchmark score: 9,061 points. Launch price was $800.

⚡

Processing Power

The Processor U300 packs 5 cores / 6 threads, while the Xeon E5-4648 V3 offers 12 cores / 24 threads — the Xeon E5-4648 V3 has 7 more cores. Boost clocks reach 4.4 GHz on the Processor U300 versus 2.2 GHz on the Xeon E5-4648 V3 — a 66.7% clock advantage for the Processor U300 (base: 1.2 GHz vs 1.7 GHz). The Processor U300 uses the Raptor Lake-U (2023) architecture (10 nm), while the Xeon E5-4648 V3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Processor U300 scores 8,897 against the Xeon E5-4648 V3's 9,061 — a 1.8% lead for the Xeon E5-4648 V3. L3 cache: 8 MB (total) on the Processor U300 vs 30 MB (total) on the Xeon E5-4648 V3.

Feature	Processor U300	Xeon E5-4648 V3
Cores / Threads	5 / 6	12 / 24+140%
Boost Clock	4.4 GHz+100%	2.2 GHz
Base Clock	1.2 GHz	1.7 GHz+42%
L3 Cache	8 MB (total)	30 MB (total)+275%
L2 Cache	1.25 MB (per core)+400%	256K (per core)
Process	10 nm-55%	22 nm
Architecture	Raptor Lake-U (2023)	Haswell-EP (2014−2015)
PassMark	8,897	9,061+2%

🧠

Memory & Platform

The Processor U300 uses the FCBGA1744 socket (PCIe 5.0), while the Xeon E5-4648 V3 uses LGA2011-3 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Processor U300	Xeon E5-4648 V3
Socket	FCBGA1744	LGA2011-3
PCIe Generation	PCIe 5.0	PCIe 5.0

💰

Value Analysis

The Processor U300 launched at $193 MSRP, while the Xeon E5-4648 V3 debuted at $169. At current prices ($180 vs $45), the Xeon E5-4648 V3 is $135 cheaper. In terms of value (PassMark points per dollar), the Processor U300 delivers 49.4 pts/$ vs 201.4 pts/$ for the Xeon E5-4648 V3 — making the Xeon E5-4648 V3 the 121.2% better value option.