Core i3-8145UE
VS
Core i5-12400F

Core i3-8145UE vs Core i5-12400F

Intel

Core i3-8145UE

2 Cores4 Thrd15 WWMax: 3.9 GHz2018
VS
Intel

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Performance Spectrum - CPU

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 i3-8145UE is positioned at rank #995 in our cost-efficiency ranking, representing a Lower 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 i3-8145UE

#983
Atom x5-Z8300
MSRP: $20|Avg: N/A
2050%
#984
Atom Z3735G
MSRP: $17|Avg: N/A
2020%
#985
Core i5-480M
MSRP: $81|Avg: $77
1855%
#986
Core i5-460M
MSRP: $80|Avg: $129
1846%
#987
Core i5-2540M
MSRP: $266|Avg: $10
1829%
#989
Core i5-450M
MSRP: $32|Avg: $31
1767%
#990
Core i3-380M
MSRP: $49|Avg: $25
1694%
#991
Core i5-430M
MSRP: N/A|Avg: $33
1691%
#992
Core 2 Duo T6600
MSRP: N/A|Avg: $4
1646%
#995
Core i3-8145UE
MSRP: $281|Avg: $50
100%
#996
Core i7-4712MQ
MSRP: $378|Avg: $60
98%
#997
Core i7-3615QE
MSRP: $400|Avg: $100
98%
#998
Celeron M U3400
MSRP: $86|Avg: $5
98%
#999
3015Ce
MSRP: $150|Avg: $40
98%
#1000
Core i7-4700MQ
MSRP: $383|Avg: $50
98%
#1001
Athlon II M340
MSRP: $80|Avg: $15
97%
#1005
Pentium P6000
MSRP: $150|Avg: $90
96%
#1007
Core i7-3630QM
MSRP: $378|Avg: N/A
95%
#1008
Core i7-3610QM
MSRP: $378|Avg: N/A
95%
#1009
Core i3-1115GRE
MSRP: $338|Avg: $480
95%
#1010
Pentium A1020
MSRP: $86|Avg: $86
95%
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

Performance Leadership: The Core i5-12400F delivers superior performance across the board. It outperforms the Core i3-8145UE in both compute-intensive tasks (131.7% faster) and gaming workloads.
InsightCore i3-8145UECore i5-12400F
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
More affordable ($50)
⚠️ Higher cost ($110)
Longevity
✨ Modern (Whiskey Lake-U (2018−2019) / 10 nm)
✨ Modern (Alder Lake-S (2022) / Intel 7 nm)

💎 Value Proposition

Efficiency: The Core i5-12400F leads not only in performance but also in value. It delivers superior performance at a comparable price point.
InsightCore i3-8145UECore i5-12400F
Cost Efficiency
Lower cost efficiency
Better overall value (+121%)
Upfront Cost
More affordable ($50)
⚠️ 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.

Technical Specifications

Side-by-side comparison of Core i3-8145UE and Core i5-12400F

Intel

Core i3-8145UE

The Core i3-8145UE is manufactured by Intel. It was released in 1 October 2018 (7 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 3.9 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 10 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 4,021 points. Launch price was $69.

Intel

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 i3-8145UE packs 2 cores / 4 threads, while the Core i5-12400F offers 6 cores / 12 threads — the Core i5-12400F has 4 more cores. Boost clocks reach 3.9 GHz on the Core i3-8145UE versus 4.4 GHz on the Core i5-12400F — a 12% clock advantage for the Core i5-12400F (base: 2.2 GHz vs 2.5 GHz). The Core i3-8145UE uses the Whiskey Lake-U (2018−2019) architecture (10 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Core i3-8145UE scores 4,021 against the Core i5-12400F's 19,532 — a 131.7% lead for the Core i5-12400F. Cinebench R23 multi-core: 2,356 vs 12,380 (136% advantage for the Core i5-12400F). Geekbench 6 single-core — the metric most relevant to gaming — records 1,218 vs 1,700, a 33% lead for the Core i5-12400F that directly translates to higher frame rates. Multi-core Geekbench: 2,356 vs 657 (112.8% advantage for the Core i3-8145UE). L3 cache: 4 MB (total) on the Core i3-8145UE vs 18 MB (total) on the Core i5-12400F.

FeatureCore i3-8145UECore i5-12400F
Cores / Threads
2 / 4
6 / 12+200%
Boost Clock
3.9 GHz
4.4 GHz+13%
Base Clock
2.2 GHz
2.5 GHz+14%
L3 Cache
4 MB (total)
18 MB (total)+350%
L2 Cache
256 kB (per core)
1.25 MB (per core)+400%
Process
10 nm
Intel 7 nm-30%
Architecture
Whiskey Lake-U (2018−2019)
Alder Lake-S (2022)
PassMark
4,021
19,532+386%
Cinebench R23 Multi
2,356
12,380+425%
Geekbench 6 Single
1,218
1,700+40%
Geekbench 6 Multi
2,356+259%
657
🧠

Memory & Platform

The Core i3-8145UE uses the FCBGA1528 socket (PCIe 3.0), while the Core i5-12400F uses LGA1700 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Core i3-8145UE versus DDR5-4800, DDR4-3200 on the Core i5-12400F — the Core i5-12400F supports 22.2% 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 64 GB 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i3-8145UE) vs 20 (Core i5-12400F) — the Core i5-12400F offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Whiskey Lake (Core i3-8145UE) and H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F).

FeatureCore i3-8145UECore i5-12400F
Socket
FCBGA1528
LGA1700
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR4-2400
DDR5-4800, DDR4-3200+25%
Max RAM Capacity
64 GB
128 GB+100%
RAM Channels
2
2
ECC Support
PCIe Lanes
16
20+25%
🔧

Advanced Features

Virtualization support: VT-x, VT-d (Core i3-8145UE) vs VT-x, VT-d, EPT (Core i5-12400F). The Core i3-8145UE includes integrated graphics (UHD 620), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i3-8145UE targets Budget, Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i3-8145UE rivals Ryzen 3 3200U; Core i5-12400F rivals Ryzen 5 5600.

FeatureCore i3-8145UECore i5-12400F
Integrated GPU
Yes
No
IGPU Model
UHD 620
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d
VT-x, VT-d, EPT
Target Use
Budget
Gaming Performance/Value
💰

Value Analysis

The Core i3-8145UE launched at $281 MSRP, while the Core i5-12400F debuted at $174. At current prices ($50 vs $110), the Core i3-8145UE is $60 cheaper. In terms of value (PassMark points per dollar), the Core i3-8145UE delivers 80.4 pts/$ vs 177.6 pts/$ for the Core i5-12400F — making the Core i5-12400F the 75.3% better value option.

FeatureCore i3-8145UECore i5-12400F
MSRP
$281
$174-38%
Avg Price (30d)
$50-55%
$110
Performance per Dollar
80.4
177.6+121%
Release Date
2018
2022