Intel Core i5-10400T vs Intel Core i5-8400

Comparative analysis of Intel Core i5-10400T and Intel Core i5-8400 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 i5-8400

Differences

Reasons to consider the Intel Core i5-10400T

6 more threads: 12 vs 6
Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 86% lower typical power consumption: 35 Watt vs 65 Watt
Around 6% better performance in PassMark - CPU mark: 9754 vs 9235

Specifications (specs)
Number of threads	12 vs 6
L3 cache	12 MB vs 9 MB
Thermal Design Power (TDP)	35 Watt vs 65 Watt
Benchmarks
PassMark - CPU mark	9754 vs 9235

Reasons to consider the Intel Core i5-8400

Around 11% higher clock speed: 4.00 GHz vs 3.60 GHz
Around 11% better performance in PassMark - Single thread mark: 2380 vs 2141

Specifications (specs)
Maximum frequency	4.00 GHz vs 3.60 GHz
Benchmarks
PassMark - Single thread mark	2380 vs 2141

Compare benchmarks

CPU 1: Intel Core i5-10400T
CPU 2: Intel Core i5-8400

PassMark - CPU mark

CPU 1

CPU 2

9754

9235

PassMark - Single thread mark

CPU 1

CPU 2

2141

2380

Name	Intel Core i5-10400T	Intel Core i5-8400
PassMark - CPU mark	9754	9235
PassMark - Single thread mark	2141	2380
Geekbench 4 - Single Core		1048
Geekbench 4 - Multi-Core		4580
3DMark Fire Strike - Physics Score		3633
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		5.68
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		73.097
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.752
CompuBench 1.5 Desktop - Video Composition (Frames/s)		3.767
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		10.333
GFXBench 4.0 - Car Chase Offscreen (Frames)		1826
GFXBench 4.0 - Manhattan (Frames)		3900
GFXBench 4.0 - T-Rex (Frames)		6201
GFXBench 4.0 - Car Chase Offscreen (Fps)		1826
GFXBench 4.0 - Manhattan (Fps)		3900
GFXBench 4.0 - T-Rex (Fps)		6201

Compare specifications (specs)

	Intel Core i5-10400T	Intel Core i5-8400
Essentials
Architecture codename	Comet Lake	Coffee Lake
Launch date	Q2'20	5 January 2017
Launch price (MSRP)	$182	$190
Place in performance rating	1115	1142
Processor Number	i5-10400T	i5-8400
Series	10th Generation Intel Core i5 Processors	8th Generation Intel® Core™ i5 Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Price now		$259
Value for money (0-100)		13.28
Performance
64 bit support
Base frequency	2.00 GHz	2.80 GHz
Bus Speed	8 GT/s	8 GT/s DMI3
L3 cache	12 MB	9 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	100°C
Maximum frequency	3.60 GHz	4.00 GHz
Number of cores	6	6
Number of threads	12	6
L1 cache		256 KB
L2 cache		1 MB
Maximum case temperature (TCase)		72 °C
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	0x3E92
Graphics base frequency	350 MHz	350 MHz
Graphics max dynamic frequency	1.10 GHz	1.05 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	65 Watt
Thermal Solution	PCG 2015B	PCG 2015C (65W)
Low Halogen Options Available
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)
AMD Virtualization (AMD-V™)