Intel Core i5-11400T vs Intel Core i9-9900

Comparative analysis of Intel Core i5-11400T and Intel Core i9-9900 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score.

 

Differences

Reasons to consider the Intel Core i5-11400T

  • CPU is newer: launch date 1 year(s) 10 month(s) later
  • Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
  • Around 86% lower typical power consumption: 35 Watt vs 65 Watt
Launch date 16 Mar 2021 vs 23 April 2019
L2 cache 3 MB vs 2 MB
Thermal Design Power (TDP) 35 Watt vs 65 Watt

Reasons to consider the Intel Core i9-9900

  • 2 more cores, run more applications at once: 8 vs 6
  • 4 more threads: 16 vs 12
  • Around 35% higher clock speed: 5.00 GHz vs 3.70 GHz
  • Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 10% better performance in PassMark - Single thread mark: 2836 vs 2569
  • Around 21% better performance in PassMark - CPU mark: 16555 vs 13626
Specifications (specs)
Number of cores 8 vs 6
Number of threads 16 vs 12
Maximum frequency 5.00 GHz vs 3.70 GHz
L1 cache 512 KB vs 384 KB
L3 cache 16 MB vs 12 MB
Benchmarks
PassMark - Single thread mark 2836 vs 2569
PassMark - CPU mark 16555 vs 13626

Compare benchmarks

CPU 1: Intel Core i5-11400T
CPU 2: Intel Core i9-9900

PassMark - Single thread mark
CPU 1
CPU 2
2569
2836
PassMark - CPU mark
CPU 1
CPU 2
13626
16555
Name Intel Core i5-11400T Intel Core i9-9900
PassMark - Single thread mark 2569 2836
PassMark - CPU mark 13626 16555
Geekbench 4 - Single Core 1263
Geekbench 4 - Multi-Core 7913
3DMark Fire Strike - Physics Score 6750

Compare specifications (specs)

Intel Core i5-11400T Intel Core i9-9900

Essentials

Architecture codename Rocket Lake Coffee Lake
Launch date 16 Mar 2021 23 April 2019
Launch price (MSRP) $182 $439, $449
Place in performance rating 733 960
Processor Number i5-11400T i9-9900
Series 11th Generation Intel Core i5 Processors
Status Launched
Vertical segment Desktop Desktop
Family Core i9

Performance

64 bit support
Base frequency 1.30 GHz 3.10 GHz
Bus Speed 8 GT/s 8 GT/s DMI3
L1 cache 384 KB 512 KB
L2 cache 3 MB 2 MB
L3 cache 12 MB 16 MB
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 100°C 100 °C
Maximum frequency 3.70 GHz 5.00 GHz
Number of cores 6 8
Number of threads 12 16

Memory

Max memory channels 2 2
Maximum memory bandwidth 50 GB/s 41.6 GB/s
Maximum memory size 128 GB 128 GB
Supported memory types DDR4-3200 DDR4-2666
ECC memory support

Graphics

Device ID 0x4C8B 0x3E98
Execution Units 24
Graphics base frequency 350 MHz 350 MHz
Graphics max dynamic frequency 1.20 GHz 1.20 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory 64 GB 64 GB
Processor graphics Intel UHD Graphics 730 Intel UHD Graphics 630

Graphics interfaces

Number of displays supported 3 3

Graphics image quality

4K resolution support
Max resolution over DisplayPort 5120 x 3200 @60Hz 4096x2304@60Hz
Max resolution over eDP 5120 x 3200 @60Hz 4096x2304@60Hz
Max resolution over HDMI 1.4 4096x2304@24Hz

Graphics API support

DirectX 12.1 12
OpenGL 4.5 4.5

Compatibility

Configurable TDP-down 25 Watt
Configurable TDP-down Frequency 1.00 GHz
Max number of CPUs in a configuration 1 1
Package Size 37.5 mm x 37.5 mm
Sockets supported FCLGA1200 FCLGA1151
Thermal Design Power (TDP) 35 Watt 65 Watt
Thermal Solution PCG 2019D PCG 2015C (65W)

Peripherals

Max number of PCIe lanes 20 16
PCI Express revision 4.0 3.0
PCIe configurations Up to 1x16+1x4, 2x8+1x4, 1x8+3x4 1x16, 2x8, 1x8+2x4
Scalability 1S Only 1S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Intel® Memory Protection Extensions (Intel® MPX)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel SSE4.1, Intel SSE4.2, Intel AVX2, Intel AVX-512 Intel SSE4.1, Intel SSE4.2, Intel AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® Thermal Velocity Boost
Intel® Turbo Boost technology
Thermal Monitoring
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® TSX-NI
Intel® vPro™ Platform Eligibility

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)