Core i5-9400T
CPU·Budget

Core i5-9400T

Intel

PassMark

8,180

MSRP

$182

AVG Price

$60

1 September 2018 (7 years ago)
35 Watt
Coffee Lake (2017−2019)

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.

Overview

The Core i5-9400T is manufactured by Intel. It was released in 1 September 2018 (7 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 6 cores and 6 threads. Base frequency is 1.8 GHz, with boost up to 3.4 GHz. L3 cache: 9 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 8,180 points. Launch price was $182.

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 i5-9400T

#70
Ryzen 5 7600
MSRP: $229|Avg: $185
107%
#71
Core i5-14490F
MSRP: $209|Avg: $190
107%
#72
Core i5-12600KF
MSRP: $264|Avg: $190
107%
#73
Core i5-13600KF
MSRP: $249|Avg: $258
106%
#74
Ryzen 5 5500GT
MSRP: $125|Avg: $130
106%
#75
Ryzen 7 1700
MSRP: $140|Avg: $185
77%
#75
Ryzen 7 PRO 4750G
MSRP: $309|Avg: $140
106%
#76
Ryzen 7 7700X
MSRP: $399|Avg: $249
105%
#77
Ryzen 9 5900XT
MSRP: $349|Avg: $311
104%
#78
Core i5-12500
MSRP: $212|Avg: $140
103%
#79
Core i5-14600K
MSRP: $329|Avg: $275
103%
#80
Ryzen 7 7700
MSRP: $329|Avg: $246
103%
#81
Core i5-13400F
MSRP: $196|Avg: $180
102%
#82
Core i3-12100T
MSRP: $125|Avg: $90
102%
#83
Core i7-11700F
MSRP: $298|Avg: $150
102%
#84
Core i3-10105F
MSRP: $97|Avg: $65
101%
#85
Core i5-9400T
MSRP: $182|Avg: $60
100%
#86
Core i7-12700KF
MSRP: $384|Avg: $250
100%
#87
Core i5-12490F
MSRP: $250|Avg: $150
100%
#88
Ryzen 5 5600GT
MSRP: $140|Avg: $150
99%
#89
Ryzen 5 PRO 5655G
MSRP: $146|Avg: $146
99%
#90
Ryzen 7 PRO 5755G
MSRP: $300|Avg: $180
99%
#91
Ryzen 5 PRO 4650G
MSRP: $209|Avg: $120
98%
#92
Ryzen 5 8600G
MSRP: $229|Avg: $190
97%
#93
Core i7-13700KF
MSRP: $384|Avg: $350
96%
#94
Ryzen 7 9700X
MSRP: $359|Avg: $285
96%
#95
Ryzen 9 7900
MSRP: $429|Avg: $370
95%
#96
Core Ultra 5 235T
MSRP: $247|Avg: $247
95%
#97
Ryzen 9 5950X
MSRP: $799|Avg: $350
95%
#98
Ryzen 9 7900X3D
MSRP: $599|Avg: $389
95%
#99
Core i5-14400F
MSRP: $196|Avg: $199
95%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Core i5-9400T specifications and capabilities.

Processing Power

The Core i5-9400T is a 6-core / 6-thread processor based on the Coffee Lake (2017−2019) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 3.4 GHz from a base frequency of 1.8 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 9 MB (total) of L3 cache, plus 256K (per core) of L2 cache and 64K (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 8,180, placing it in the Budget performance tier as a Legacy generation product.

SpecificationCore i5-9400T
Cores / ThreadsPhysical/logical processing units6C / 6T
Max Boost ClockPeak single-core speed under boost3.4 GHz
Base ClockGuaranteed minimum operating frequency1.8 GHz
ArchitectureCPU microarchitecture designCoffee Lake (2017−2019)
Process NodeFabrication technology — smaller = more efficient14 nm
L3 CacheShared cache — reduces memory latency for all cores9 MB (total)
L2 CachePer-core fast cache for frequently accessed data256K (per core)
L1 CacheUltra-fast per-core cache64K (per core)
Die SizePhysical silicon area of the processor149 mm2
Bus SpeedData bus frequency4 × 8 GT/s
Max TemperatureMaximum safe operating temperature (Tjmax)100 °C
64-bit SupportYes
Windows 11 CompatibleYes
PassMark ScoreOverall multi-threaded benchmark score8,180
🧠

Memory & Platform

The Core i5-9400T fits into the LGA1151 socket and supports PCIe 3.0 with 16 total PCIe lanes for expansion cards and storage. It supports DDR4-2666 memory at speeds up to DDR4-2666 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 128 GB across 2 channels (dual-channel doubles bandwidth). Integrated graphics: UHD Graphics 630 — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

SpecificationCore i5-9400T
TypeDesktop or Laptop processordesktop
SeriesProduct familyIntel Core i5
SocketMotherboard socket requiredLGA1151
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 3.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion16
RAM TypeSupported memory standardDDR4-2666
Max RAM SpeedMaximum officially supported memory frequencyDDR4-2666
Max RAM CapacityMaximum installable memory128 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel2
ECC SupportError-Correcting Code memory — prevents data corruptionNo
Integrated GPUBuilt-in graphics processorUHD Graphics 630
Max CPUs in ConfigMulti-socket support for servers1 (Uniprocessor)
🔧

Advanced Features

The Core i5-9400T is primarily designed for Desktop. Virtualization: VT-x, VT-d — enables running virtual machines efficiently (important for development and server workloads).

SpecificationCore i5-9400T
Primary Use CaseIntended workload categoryDesktop
OverclockingWhether CPU clock can be manually increased🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads❌ Not Supported
VirtualizationHardware-assisted virtualization technologyVT-x, VT-d
🌡️

Power & Cooling

The Core i5-9400T has a rated TDP (Thermal Design Power) of 35 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

SpecificationCore i5-9400T
TDPThermal Design Power — heat output under sustained workload35 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)100 °C
💰

Value Analysis

At an average price of $60 (MSRP: $182), the Core i5-9400T delivers 136 PassMark points per dollar. Performance ranking position: #1438 out of all indexed processors.

SpecificationCore i5-9400T
MSRPManufacturer's Suggested Retail Price$182
Avg Price (30d)Average market price over the last 30 days$60
Launch PriceOriginal retail price at launch$182
Performance RankPosition in overall performance ranking#1438
Release DateLaunch date1 September 2018 (7 years ago)
Release Year2019
DesignerArchitecture designer (e.g. Intel, AMD)Intel
ManufacturerFabrication foundry (e.g. TSMC)Intel

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