Core i5-12400F vs Xeon E5420

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Xeon E5420

4 Cores4 Thrd80 WWMax: 2.5 GHz2007

Performance Spectrum - CPU

Core i5-12400F

6 / 12

19,532

+855.6%

2,044

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.

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 i5-12400F

#15

Core i3-8300T

MSRP: $138|Avg: $25

121%

#16

Core Ultra 5 225F

MSRP: $231|Avg: $150

118%

#17

Core Ultra 7 265K

MSRP: $309|Avg: $285

116%

#18

Ryzen 9 3900

MSRP: $499|Avg: $150

115%

#19

Ryzen 5 3600X

MSRP: $249|Avg: $90

113%

#20

Core i7-14700KF

MSRP: $384|Avg: $260

113%

#21

Core i7-14700K

MSRP: $409|Avg: $270

109%

#22

Ryzen 5 4500

MSRP: $129|Avg: $85

106%

#23

Ryzen 5 5600

MSRP: $199|Avg: $115

106%

#24

Celeron G5925

MSRP: $62|Avg: $15

105%

#25

Ryzen 5 7500F

MSRP: $179|Avg: $145

104%

#26

Core Ultra 5 245

MSRP: $319|Avg: $220

103%

#27

Ryzen 7 2700

MSRP: $299|Avg: $86

102%

#28

Core Ultra 7 265KF

MSRP: $379|Avg: $323

102%

#29

Core Ultra 7 265F

MSRP: $369|Avg: $276

100%

#30

Core i5-12400F

MSRP: $174|Avg: $110

100%

#31

Ryzen 3 PRO 5355G

MSRP: $130|Avg: $80

99%

#32

Ryzen 7 2700X

MSRP: $329|Avg: $100

98%

#33

Core i3-10100F

MSRP: $88|Avg: $50

98%

#34

Ryzen 5 7400F

MSRP: $150|Avg: $147

98%

#35

Ryzen 5 9600X

MSRP: $279|Avg: $178

95%

#36

Ryzen 7 3800X

MSRP: $399|Avg: $140

93%

#37

Ryzen 3 5300G

MSRP: $130|Avg: $80

92%

#38

Ryzen 9 7900X

MSRP: $549|Avg: $316

91%

#39

Ryzen 5 5600X

MSRP: $299|Avg: $135

91%

#40

Core i5-14600KF

MSRP: $304|Avg: $239

91%

#41

Ryzen 7 5800

MSRP: $349|Avg: $160

91%

#42

Core i3-14100F

MSRP: $109|Avg: $96

90%

#43

Ryzen 7 3700X

MSRP: $329|Avg: $140

90%

#44

Ryzen 5 7600X

MSRP: $299|Avg: $178

90%

#45

Ryzen 3 3100

MSRP: $99|Avg: $75

90%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon E5420

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

742225%

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

140139%

#10

Xeon 6337P

MSRP: $60|Avg: $5

124507%

#15

EPYC 9174F

MSRP: $194|Avg: $30

96186%

#1033

Xeon E5420

MSRP: $7214|Avg: $6500

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 Core i5-12400F (2022) utilizes Intel 7 nm technology and DDR5-4800, DDR4-3200, providing a fundamental performance advantage.

Insight	Core i5-12400F	Xeon E5420
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	✅ More affordable ($110)	⚠️ Higher cost ($6,500)
Longevity	✨ Modern (Alder Lake-S (2022) / Intel 7 nm)	🛑 Legacy (Harpertown (2007−2008) / 45 nm)

💎 Value Proposition

The Xeon E5420 (2007) relies on 45 nm technology and **DDR2, DDR3 Depends on motherboard**, placing it in a different performance category relative to modern standards.

Insight	Core i5-12400F	Xeon E5420
Cost Efficiency	✅ Better overall value (+56366%)	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($110)	⚠️ Higher cost ($6,500)

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 i5-12400F Benchmark Check

Xeon E5420 Benchmark Check

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-12400F and Xeon E5420

Core i5-12400F

The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.

Xeon E5420

The Xeon E5420 is manufactured by Intel. It was released in 11 November 2007 (18 years ago). It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 12 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,044 points. Launch price was $316.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Xeon E5420 offers 4 cores / 4 threads — the Core i5-12400F has 2 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 2.5 GHz on the Xeon E5420 — a 55.1% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 2.5 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon E5420 uses Harpertown (2007−2008) (45 nm). In PassMark, the Core i5-12400F scores 19,532 against the Xeon E5420's 2,044 — a 162.1% lead for the Core i5-12400F. Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 314, a 137.6% lead for the Core i5-12400F that directly translates to higher frame rates. Multi-core Geekbench: 657 vs 881 (29.1% advantage for the Xeon E5420). L3 cache: 18 MB (total) on the Core i5-12400F vs 12 MB L2 Cache on the Xeon E5420.

Feature	Core i5-12400F	Xeon E5420
Cores / Threads	6 / 12+50%	4 / 4
Boost Clock	4.4 GHz+76%	2.5 GHz
Base Clock	2.5 GHz	2.5 GHz
L3 Cache	18 MB (total)+50%	12 MB L2 Cache
L2 Cache	1.25 MB (per core)	6 MB (total)+380%
Process	Intel 7 nm-84%	45 nm
Architecture	Alder Lake-S (2022)	Harpertown (2007−2008)
PassMark	19,532+856%	2,044
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700+441%	314
Geekbench 6 Multi	657	881+34%

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Xeon E5420 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus DDR2-667 on the Xeon E5420 — the Core i5-12400F supports 85.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-12400F supports up to 128 GB of RAM compared to 32 GB — 120% more capacity for professional workloads. Memory channels: 2 (Core i5-12400F) vs 4 (Xeon E5420). PCIe lanes: 20 (Core i5-12400F) vs 32 (Xeon E5420) — the Xeon E5420 offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and Intel 5000P,Intel 5100,Intel 5400 (Xeon E5420).

Feature	Core i5-12400F	Xeon E5420
Socket	LGA1700	LGA771
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR5-4800, DDR4-3200+150%	DDR2-667
Max RAM Capacity	128 GB+300%	32 GB
RAM Channels	2	4+100%
ECC Support	❌	✅
PCIe Lanes	20	32+60%

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs Yes (Xeon E5420). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

Feature	Core i5-12400F	Xeon E5420
Integrated GPU	No	No
AVX-512	—	No
Virtualization	VT-x, VT-d, EPT	Yes
Target Use	Gaming Performance/Value	—

💰

Value Analysis

The Core i5-12400F launched at $174 MSRP, while the Xeon E5420 debuted at $7214. At current prices ($110 vs $6500), the Core i5-12400F is $6390 cheaper. In terms of value (PassMark points per dollar), the Core i5-12400F delivers 177.6 pts/$ vs 0.3 pts/$ for the Xeon E5420 — making the Core i5-12400F the 199.3% better value option.