Core 2 Duo T8100 vs Core i5-12400F

Core 2 Duo T8100

2 Cores2 Thrd3 WWMax: 2.1 GHz2008

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Performance Spectrum - CPU

Core 2 Duo T8100

2 / 2

2,320

0.0%

19,532

+741.9%

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. The Core 2 Duo T8100 is positioned at rank #38 in our cost-efficiency ranking, representing a Great cost-benefit for your build. 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 2 Duo T8100

#10

Ryzen 7 260

MSRP: $199|Avg: $70

92%

#26

Atom x5-Z8300

MSRP: $20|Avg: N/A

190%

#27

Atom Z3735G

MSRP: $17|Avg: N/A

187%

#28

Core i5-480M

MSRP: $81|Avg: $77

172%

#29

Core i5-460M

MSRP: $80|Avg: $129

171%

#30

Core i5-2540M

MSRP: $266|Avg: $10

169%

#32

Core i5-450M

MSRP: $32|Avg: $31

163%

#33

Core i3-380M

MSRP: $49|Avg: $25

157%

#34

Core i5-430M

MSRP: N/A|Avg: $33

156%

#35

Core 2 Duo T6600

MSRP: N/A|Avg: $4

152%

#38

Core 2 Duo T8100

MSRP: $209|Avg: $10

100%

#39

Atom 330

MSRP: $43|Avg: $30

99%

#43

Core 2 Duo SU7300

MSRP: $289|Avg: N/A

97%

#51

Celeron N2807

MSRP: $107|Avg: $60

90%

Based on actual market prices and performance synthetic scores.

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 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 2 Duo T8100	Core i5-12400F
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($10)	⚠️ Higher cost ($110)
Longevity	🛑 Legacy (Penryn (2008−2011) / 45 nm)	✨ Modern (Alder Lake-S (2022) / Intel 7 nm)

💎 Value Proposition

The Core 2 Duo T8100 (2008) relies on 45 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Core 2 Duo T8100	Core i5-12400F
Cost Efficiency	✅ Better overall value (+31%)	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($10)	⚠️ Higher cost ($110)

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 2 Duo T8100 Benchmark Check

Core i5-12400F Benchmark Check

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core 2 Duo T8100 and Core i5-12400F

Core 2 Duo T8100

The Core 2 Duo T8100 is manufactured by Intel. It was released in 10 January 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,320 points. Launch price was $209.

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.

⚡

Processing Power

The Core 2 Duo T8100 packs 2 cores / 2 threads, while the Core i5-12400F offers 6 cores / 12 threads — the Core i5-12400F has 4 more cores. Boost clocks reach 2.1 GHz on the Core 2 Duo T8100 versus 4.4 GHz on the Core i5-12400F — a 70.8% clock advantage for the Core i5-12400F (base: 2.1 GHz vs 2.5 GHz). The Core 2 Duo T8100 uses the Penryn (2008−2011) architecture (45 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Core 2 Duo T8100 scores 2,320 against the Core i5-12400F's 19,532 — a 157.5% lead for the Core i5-12400F. Geekbench 6 single-core — the metric most relevant to gaming — records 380 vs 1,700, a 126.9% lead for the Core i5-12400F that directly translates to higher frame rates. Multi-core Geekbench: 700 vs 657 (6.3% advantage for the Core 2 Duo T8100). L3 cache: 3 MB L2 Cache on the Core 2 Duo T8100 vs 18 MB (total) on the Core i5-12400F.

Feature	Core 2 Duo T8100	Core i5-12400F
Cores / Threads	2 / 2	6 / 12+200%
Boost Clock	2.1 GHz	4.4 GHz+110%
Base Clock	2.1 GHz	2.5 GHz+19%
L3 Cache	3 MB L2 Cache	18 MB (total)+500%
L2 Cache	3 MB+140%	1.25 MB (per core)
Process	45 nm	Intel 7 nm-84%
Architecture	Penryn (2008−2011)	Alder Lake-S (2022)
PassMark	2,320	19,532+742%
Cinebench R23 Multi	—	12,380
Geekbench 6 Single	380	1,700+347%
Geekbench 6 Multi	700+7%	657

🧠

Memory & Platform

The Core 2 Duo T8100 uses the PGA478 socket (PCIe 1.1), while the Core i5-12400F uses LGA1700 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Core 2 Duo T8100 versus DDR5-4800, DDR4-3200 on the Core i5-12400F — 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 4 GB — 187.9% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Duo T8100) vs 20 (Core i5-12400F) — the Core i5-12400F offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GM965,PM965 (Core 2 Duo T8100) and H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F).

Feature	Core 2 Duo T8100	Core i5-12400F
Socket	PGA478	LGA1700
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	DDR2-667	DDR5-4800, DDR4-3200+150%
Max RAM Capacity	4 GB	128 GB+3100%
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	0	20

🔧

Advanced Features

Virtualization support: VT-x (Core 2 Duo T8100) vs VT-x, VT-d, EPT (Core i5-12400F). Primary use case: Core 2 Duo T8100 targets Legacy Laptop, Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core 2 Duo T8100 rivals Core 2 Duo T7250; Core i5-12400F rivals Ryzen 5 5600.

Feature	Core 2 Duo T8100	Core i5-12400F
Integrated GPU	No	No
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x	VT-x, VT-d, EPT
Target Use	Legacy Laptop	Gaming Performance/Value

💰

Value Analysis

The Core 2 Duo T8100 launched at $209 MSRP, while the Core i5-12400F debuted at $174. At current prices ($10 vs $110), the Core 2 Duo T8100 is $100 cheaper. In terms of value (PassMark points per dollar), the Core 2 Duo T8100 delivers 232.0 pts/$ vs 177.6 pts/$ for the Core i5-12400F — making the Core 2 Duo T8100 the 26.6% better value option.