Intel Core i5-10400T vs Intel Core i9-9900K

Comparative analysis of Intel Core i5-10400T and Intel Core i9-9900K 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 - CPU mark, PassMark - Single thread mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

Intel Core i5-10400T

Intel Core i9-9900K

Differences

Reasons to consider the Intel Core i5-10400T

2.7x lower typical power consumption: 35 Watt vs 95 Watt

Thermal Design Power (TDP)	35 Watt vs 95 Watt

Reasons to consider the Intel Core i9-9900K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 39% higher clock speed: 5.00 GHz vs 3.60 GHz
Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 87% better performance in PassMark - CPU mark: 18323 vs 9816
Around 36% better performance in PassMark - Single thread mark: 2932 vs 2158

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	8 vs 6
Number of threads	16 vs 12
Maximum frequency	5.00 GHz vs 3.60 GHz
L3 cache	16 MB (shared) vs 12 MB
Benchmarks
PassMark - CPU mark	18323 vs 9816
PassMark - Single thread mark	2932 vs 2158

Compare benchmarks

CPU 1: Intel Core i5-10400T
CPU 2: Intel Core i9-9900K

PassMark - CPU mark

CPU 1

CPU 2

9816

18323

PassMark - Single thread mark

CPU 1

CPU 2

2158

2932

Name	Intel Core i5-10400T	Intel Core i9-9900K
PassMark - CPU mark	9816	18323
PassMark - Single thread mark	2158	2932
Geekbench 4 - Single Core		1336
Geekbench 4 - Multi-Core		8781
3DMark Fire Strike - Physics Score		7038
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		12.968
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		202.925
CompuBench 1.5 Desktop - T-Rex (Frames/s)		1.504
CompuBench 1.5 Desktop - Video Composition (Frames/s)		6.779
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		17.406
GFXBench 4.0 - Car Chase Offscreen (Frames)		2165
GFXBench 4.0 - Manhattan (Frames)		4003
GFXBench 4.0 - T-Rex (Frames)		6679
GFXBench 4.0 - Car Chase Offscreen (Fps)		2165
GFXBench 4.0 - Manhattan (Fps)		4003
GFXBench 4.0 - T-Rex (Fps)		6679

Compare specifications (specs)

	Intel Core i5-10400T	Intel Core i9-9900K
Essentials
Architecture codename	Comet Lake	Coffee Lake
Launch date	Q2'20	October 2018
Launch price (MSRP)	$182
Place in performance rating	1011	744
Processor Number	i5-10400T	i9-9900K
Series	10th Generation Intel Core i5 Processors	9th Generation Intel® Core™ i9 Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Price now		$909
Value for money (0-100)		6.63
Performance
64 bit support
Base frequency	2.00 GHz	3.60 GHz
Bus Speed	8 GT/s	8 GT/s DMI3
L3 cache	12 MB	16 MB (shared)
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	100°C
Maximum frequency	3.60 GHz	5.00 GHz
Number of cores	6	8
Number of threads	12	16
L1 cache		64K (per core)
L2 cache		256K (per core)
Maximum case temperature (TCase)		72 °C
Unlocked
Memory
Max memory channels	2	2
Maximum memory bandwidth	41.6 GB/s	41.6 GB/s
Maximum memory size	128 GB	128 GB
Supported memory types	DDR4-2666	DDR4-2666
Graphics
Device ID	0x9BC8	0x3E98
Graphics base frequency	350 MHz	350 MHz
Graphics max dynamic frequency	1.10 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 630	Intel® UHD Graphics 630
Graphics interfaces
Number of displays supported	3	3
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2160@30Hz	4096x2304@24Hz
Graphics API support
DirectX	12	12
OpenGL	4.5	4.5
Compatibility
Configurable TDP-down	25 Watt
Configurable TDP-down Frequency	1.30 GHz
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1200	FCLGA1151
Thermal Design Power (TDP)	35 Watt	95 Watt
Thermal Solution	PCG 2015B	PCG 2015D (130W)
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	3.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4	Up to 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® 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 (AVX)
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)