Intel Core i5-11400T vs Intel Core i7-9800X

Comparative analysis of Intel Core i5-11400T and Intel Core i7-9800X 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.

Intel Core i5-11400T

Intel Core i7-9800X

Differences

Reasons to consider the Intel Core i5-11400T

Around 5% higher maximum core temperature: 100°C vs 95°C
4.7x lower typical power consumption: 35 Watt vs 165 Watt

Maximum core temperature	100°C vs 95°C
Thermal Design Power (TDP)	35 Watt vs 165 Watt

Reasons to consider the Intel Core i7-9800X

2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 19% higher clock speed: 4.40 GHz vs 3.70 GHz
Around 2% better performance in PassMark - Single thread mark: 2565 vs 2513
Around 36% better performance in PassMark - CPU mark: 18016 vs 13246

Specifications (specs)
Number of cores	8 vs 6
Number of threads	16 vs 12
Maximum frequency	4.40 GHz vs 3.70 GHz
Benchmarks
PassMark - Single thread mark	2565 vs 2513
PassMark - CPU mark	18016 vs 13246

Compare benchmarks

CPU 1: Intel Core i5-11400T
CPU 2: Intel Core i7-9800X

PassMark - Single thread mark

CPU 1

CPU 2

2513

2565

PassMark - CPU mark

CPU 1

CPU 2

13246

18016

Name	Intel Core i5-11400T	Intel Core i7-9800X
PassMark - Single thread mark	2513	2565
PassMark - CPU mark	13246	18016
Geekbench 4 - Single Core		1185
Geekbench 4 - Multi-Core		9409
3DMark Fire Strike - Physics Score		9740

Compare specifications (specs)

	Intel Core i5-11400T	Intel Core i7-9800X
Essentials
Architecture codename	Rocket Lake	Skylake
Launch date	16 Mar 2021	Q4'18
Launch price (MSRP)	$182
Place in performance rating	875	870
Processor Number	i5-11400T	i7-9800X
Series	11th Generation Intel Core i5 Processors	Intel® Core™ X-series Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	1.30 GHz	3.80 GHz
Bus Speed	8 GT/s	8 GT/s DMI3
L1 cache	384 KB
L2 cache	3 MB
L3 cache	12 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	95°C
Maximum frequency	3.70 GHz	4.40 GHz
Number of cores	6	8
Number of threads	12	16
Number of QPI Links		0
Memory
Max memory channels	2	4
Maximum memory bandwidth	50 GB/s
Maximum memory size	128 GB	128 GB
Supported memory types	DDR4-3200	DDR4-2666
Graphics
Device ID	0x4C8B
Execution Units	24
Graphics base frequency	350 MHz
Graphics max dynamic frequency	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
Processor graphics	Intel UHD Graphics 730
Graphics interfaces
Number of displays supported	3
Graphics image quality
4K resolution support
Max resolution over DisplayPort	5120 x 3200 @60Hz
Max resolution over eDP	5120 x 3200 @60Hz
Graphics API support
DirectX	12.1
OpenGL	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	FCLGA2066
Thermal Design Power (TDP)	35 Watt	165 Watt
Thermal Solution	PCG 2019D	PCG 2017X
Peripherals
Max number of PCIe lanes	20	44
PCI Express revision	4.0	3.0
PCIe configurations	Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
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
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® AVX-512
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
Number of AVX-512 FMA Units		2
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)