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Intel Core i5-8400T Benchmark, Test and specs

Name: Intel Core i5-8400T
Brand: Intel
Rating: 4.5 (10 reviews)

Last updated: 2023-09-12

The Intel Core i5-8400T has 6 cores with 6 threads and is based on the 8. gen of the Intel Core i5 series. The processor uses a mainboard with the LGA 1151-2 socket and was released in Q2/2018. The Intel Core i5-8400T scores 858 points in the Geekbench 5 single-core benchmark. In the Geekbench 5 multi-core benchmark, the result is 3,607 points.

At a glance
Name:	Intel Core i5-8400T
Family:	Intel Core i5 (336)
CPU group:	Intel Core i 8000 (20)
Architecture:	Coffee Lake S
Technology:	14 nm
Segment:	Desktop
Generation:	8
Predecessor:	Intel Core i5-7400T
Successor:	Intel Core i5-9400T

CPU Cores and Base Frequency

The Intel Core i5-8400T has 6 CPU cores and can calculate 6 threads in parallel. The clock frequency of the Intel Core i5-8400T is 1.70 GHz (3.30 GHz). The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.

CPU Cores / Threads:	6 / 6
Core architecture:	normal
Cores:	6x

Hyperthreading / SMT:	No
Overclocking:	Yes
Frequency:	1.70 GHz
Turbo Frequency (1 Core):	3.30 GHz
Turbo Frequency (6 Cores):	2.80 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Integrated graphics (iGPU)

The Intel Core i5-8400T has integrated graphics, called iGPU for short. Specifically, the Intel Core i5-8400T uses the Intel UHD Graphics 630, which has 192 texture shaders and 24 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

GPU name:	Intel UHD Graphics 630
GPU frequency:	0.35 GHz
GPU (Turbo):	1.15 GHz
Compute units:	24
Shader:	192
Hardware Raytracing:	No
Release date:	Q4/2017

Max. displays:	3
Generation:	9.5
Direct X:	12
Technology:	14 nm
Max. GPU Memory:	64 GB
Frame Generation:	No

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

h265 / HEVC (8 bit):	Decode / Encode
h265 / HEVC (10 bit):	Decode / Encode
h264:	Decode / Encode
VP8:	Decode / Encode
VP9:	Decode / Encode

AV1:	No
AVC:	Decode / Encode
VC-1:	Decode
JPEG:	Decode / Encode

Memory type:	Memory bandwidth:
Memory & PCIe The processor can use up to 128 GB memory in 2 (Dual Channel) memory channels. The maximum memory bandwidth is 42.7 GB/s. The memory type as well as the amount of memory can greatly affect the speed of the system.

DDR4-2666	42.7 GB/s
Max. Memory:	128 GB
Memory channels:	2 (Dual Channel)
ECC:	No
PCIe:	3.0 x 16
PCIe Bandwidth:	15.8 GB/s

Thermal Management The thermal design power (TDP for short) of the processor is 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. The TDP usually gives a rough idea of the actual power consumption of the CPU.

TDP (PL1 / PBP):	95 W
TDP (PL2):	--
TDP up:	--
TDP down:	--
Tjunction max.:	--

Technical details

The Intel Core i5-8400T is made in 14 nm. The smaller the manufacturing process of a CPU, the more modern and energy-efficient it is. Overall, the processor has 9.00 MB cache. A large cache can greatly speed up the processor's speed in some cases such as games.

Technology:	14 nm
Chip design:	Monolithic
Socket:	LGA 1151-2
L2-Cache:	--
L3-Cache:	9.00 MB
AES-NI:	Yes
Operating systems:	Windows 10, Windows 11, Linux

Virtualization:	VT-x, VT-x EPT, VT-d
Instruction set (ISA):	x86-64 (64 bit)
ISA extensions:	SSE4.1, SSE4.2, AVX2
Release date:	Q2/2018
Release price:	260 $
Part Number:	--
Documents:	Technical data sheet

Intel Core i5-8400T
6C 6T @ 1.70 GHz (3.30 GHz)

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Benchmark results

The benchmark results for the Intel Core i5-8400T have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.

Cinebench 2024 Single-Core

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.


	Intel Core i5-4570 4C 4T @ 3.60 GHz	50
	Intel Xeon E5-1620 v3 4C 8T @ 3.60 GHz	50
	Intel Xeon E5-2643 v4 6C 12T @ 3.70 GHz	50
	Intel Core i5-8400T 6C 6T @ 3.30 GHz	49
	Intel Core i5-10500 6C 12T @ 4.50 GHz	49
	Intel Xeon E5-2620 v4 8C 16T @ 3.00 GHz	43

Cinebench 2024 Multi-Core

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.


	AMD Ryzen 5 1500X 4C 8T @ 3.70 GHz	291
	Intel Core i7-6700 4C 8T @ 4.00 GHz	284
	Intel Core i5-8400 6C 6T @ 4.00 GHz	283
	Intel Core i5-8400T 6C 6T @ 3.30 GHz	272
	Intel Core i7-4790K 4C 8T @ 4.40 GHz	262
	Intel Xeon E5-1620 v3 4C 8T @ 3.60 GHz	251
	Intel Core i3-9100F 4C 4T @ 4.20 GHz	250

Geekbench 6 Single-Core

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.


	AMD Ryzen 5 2400G 4C 8T @ 3.90 GHz	1099
	Intel Xeon E5-2690 v3 12C 24T @ 3.50 GHz	1098
	AMD Ryzen 5 1600 6C 12T @ 3.60 GHz	1095
	Intel Core i5-8400T 6C 6T @ 3.30 GHz	1092
	AMD Ryzen 3 1200 [12nm] 4C 4T @ 3.40 GHz	1092
	Intel Xeon E5-2687W v3 10C 20T @ 3.50 GHz	1092
	AMD Ryzen 3 2200G 4C 4T @ 3.70 GHz	1089

Geekbench 6 Multi-Core

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.


	Intel Core i3-9100 4C 4T @ 3.80 GHz	3824
	Intel Core i3-9100F 4C 4T @ 3.80 GHz	3824
	Intel Xeon E5-1650 v2 6C 12T @ 3.70 GHz	3824
	Intel Core i5-8400T 6C 6T @ 2.80 GHz	3816
	Intel Xeon E5-2650 v2 8C 16T @ 3.00 GHz	3808
	Intel Core i5-5675C 4C 4T @ 3.30 GHz	3802
	AMD Ryzen 5 3400G 4C 8T @ 4.00 GHz	3784

Geekbench 5, 64bit Single-Core

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i5-4570 4C 4T @ 3.60 GHz	863
	Intel Xeon E5-1620 v2 4C 8T @ 3.90 GHz	862
	Intel Xeon Silver 4112 4C 8T @ 3.00 GHz	861
	Intel Core i5-8400T 6C 6T @ 3.30 GHz	858
	Intel Xeon Silver 4116 12C 24T @ 3.00 GHz	856
	AMD Ryzen 5 PRO 3350GE 4C 4T @ 3.90 GHz	855
	AMD Ryzen 3 2200G 4C 4T @ 3.70 GHz	855

Geekbench 5, 64bit Multi-Core

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i5-6600K 4C 4T @ 3.60 GHz	3631
	Intel Core i7-6785R 4C 8T @ 3.50 GHz	3615
	Intel Core i5-9500TE 6C 6T @ 2.20 GHz	3611
	Intel Core i5-8400T 6C 6T @ 2.80 GHz	3607
	Intel Xeon E5-2609 v4 8C 8T @ 1.70 GHz	3568
	Intel Core i3-9320 4C 4T @ 4.00 GHz	3563
	Intel Core i5-5675C 4C 4T @ 3.30 GHz	3551

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.


	Intel Core i5-11400T Intel UHD Graphics 730 @ 1.20 GHz	461
	Intel Xeon E3-1225 v5 Intel HD Graphics P530 @ 1.20 GHz	461
	Intel Xeon E-2276G Intel UHD Graphics P630 @ 1.20 GHz	461
	Intel Core i5-8400T Intel UHD Graphics 630 @ 1.15 GHz	442
	Intel Core i7-10700E Intel UHD Graphics 630 @ 1.15 GHz	442
	Intel Core i3-10325 Intel UHD Graphics 630 @ 1.15 GHz	442
	Intel Core i3-10305 Intel UHD Graphics 630 @ 1.15 GHz	442

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.


	Intel Xeon E3-1271 v3 4C 8T @ 3.60 GHz	7554
	Intel Core i7-7700T 4C 8T @ 3.60 GHz	7539
	AMD Ryzen 3 2300X 4C 4T @ 3.80 GHz	7525
	Intel Core i5-8400T 6C 6T @ 2.80 GHz	7503
	Intel Xeon E3-1535M v5 4C 8T @ 3.40 GHz	7498
	Intel Xeon D-1531 6C 12T @ 2.20 GHz	7493
	AMD Ryzen 5 2400GE 4C 8T @ 3.20 GHz	7470

CPU-Z Benchmark 17 Multi-Core

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.


	Intel Xeon E3-1240 v3 4C 8T @ 3.40 GHz	1969
	Intel Core i7-4790S 4C 8T @ 3.20 GHz	1968
	AMD FX-9590 8C 8T @ 4.70 GHz	1967
	Intel Core i5-8400T 6C 6T @ 1.70 GHz	1963
	Intel Xeon E5-1620 v3 4C 8T @ 3.50 GHz	1958
	AMD Ryzen 5 2400GE 4C 8T @ 3.20 GHz	1957
	Intel Xeon E3-1231 v3 4C 8T @ 3.40 GHz	1952

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i5-4570 4C 4T @ 3.60 GHz	140
	Intel Core i5-4570S 4C 4T @ 3.60 GHz	140
	Intel Xeon E3-1225 v3 4C 4T @ 3.60 GHz	140
	Intel Core i5-8400T 6C 6T @ 3.30 GHz	139
	Intel Core i7-5820K 6C 12T @ 3.60 GHz	139
	Intel Core i7-4930K 6C 12T @ 3.90 GHz	139
	AMD Athlon 3000G 2C 4T @ 3.50 GHz	139

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Xeon E5-2640 v2 8C 16T @ 2.20 GHz	710
	Intel Core i7-4770K 4C 8T @ 3.70 GHz	709
	AMD FX-9370 8C 8T @ 4.70 GHz	699
	Intel Core i5-8400T 6C 6T @ 2.80 GHz	696
	Intel Core i7-4770 4C 8T @ 3.60 GHz	690
	Intel Core i7-4770R 4C 8T @ 3.60 GHz	690
	Intel Xeon E5-2637 v3 4C 8T @ 3.60 GHz	690

Benchmarks

Cinebench 2024 (SC)
362 entries

Cinebench 2024 (MC)
359 entries

Geekbench 6 (SC)
1,886 entries

Geekbench 6 (MC)
1,820 entries

Geekbench 5 (SC)
2,510 entries

Geekbench 5 (MC)
2,477 entries

FP32 SP (iGPU)
2,155 entries

3DMark Timespy (iGPU)
530 entries

PassMark CPU-Mark
2,457 entries

CPU-Z Benchmark 17 (MC)
744 entries

Cinebench R15 (SC)
1,110 entries

Cinebench R15 (MC)
1,106 entries

Geekbench 3 (SC)
942 entries

Geekbench 3 (MC)
938 entries

Cinebench R11.5 (SC)
825 entries

Cinebench R11.5 (MC)
836 entries

Cinebench R11.5 iGPU
383 entries

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AI specifications:	--
NPU + CPU + iGPU:	--