Intel Core i5-8400T Benchmark, Test and specs

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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.
Intel Core i5-8400T

At a glance

Name: Intel Core i5-8400T
Family: Intel Core i5 (331)
CPU group: Intel Core i 8000 (20)
Architecture: Coffee Lake S
Technology: 14 nm
Segment: Desktop / Server
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

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 & 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.

Memory type: Memory bandwidth:
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

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Benchmark results

Verified 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 Intel Core i5-4570
4C 4T @ 3.60 GHz
50
Intel Xeon E5-1620 v3 Intel Xeon E5-1620 v3
4C 8T @ 3.60 GHz
50
Intel Xeon E5-2643 v4 Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz
50
Intel Core i5-8400T Intel Core i5-8400T
6C 6T @ 3.30 GHz
49
Intel Core i7-4710HQ Intel Core i7-4710HQ
4C 8T @ 3.50 GHz
49
Intel Core i5-10500 Intel Core i5-10500
6C 12T @ 4.50 GHz
49
Intel Processor N200 Intel Processor N200
4C 4T @ 3.70 GHz
46

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.
Intel Core i5-8400 Intel Core i5-8400
6C 6T @ 4.00 GHz
283
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz
275
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
275
Intel Core i5-8400T Intel Core i5-8400T
6C 6T @ 3.30 GHz
272
AMD Ryzen 5 PRO 5650U AMD Ryzen 5 PRO 5650U
6C 12T @ 4.20 GHz
266
Intel Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.40 GHz
262
Intel Core i5-8259U Intel Core i5-8259U
4C 8T @ 3.80 GHz
255

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 i5-6440HQ Intel Core i5-6440HQ
4C 4T @ 3.50 GHz
860
Intel Core i7-4870HQ Intel Core i7-4870HQ
4C 8T @ 3.70 GHz
860
Intel Core i5-4210H Intel Core i5-4210H
2C 4T @ 3.50 GHz
859
Intel Core i5-8400T Intel Core i5-8400T
6C 6T @ 3.30 GHz
858
AMD Ryzen Embedded R1606G AMD Ryzen Embedded R1606G
2C 4T @ 3.50 GHz
858
AMD Ryzen Embedded V1780B AMD Ryzen Embedded V1780B
4C 8T @ 3.60 GHz
857
Intel Xeon Silver 4116 Intel Xeon Silver 4116
12C 24T @ 3.00 GHz
856

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 i5-8260U Intel Core i5-8260U
4C 8T @ 2.60 GHz
3624
Intel Core i7-6785R Intel Core i7-6785R
4C 8T @ 3.50 GHz
3615
Intel Core i5-9500TE Intel Core i5-9500TE
6C 6T @ 2.20 GHz
3611
Intel Core i5-8400T Intel Core i5-8400T
6C 6T @ 2.80 GHz
3607
AMD Ryzen 3 PRO 4450U AMD Ryzen 3 PRO 4450U
4C 8T @ 3.50 GHz
3602
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz
3592
Samsung Exynos 2200 Samsung Exynos 2200
8C 8T @ 2.80 GHz
3586

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD Athlon Silver 7120U AMD Athlon Silver 7120U
2C 2T @ 3.50 GHz
1093
Apple A11 Bionic Apple A11 Bionic
6C 6T @ 2.39 GHz
1093
Intel Core m7-6Y75 Intel Core m7-6Y75
2C 4T @ 3.10 GHz
1093
Intel Core i5-8400T Intel Core i5-8400T
6C 6T @ 3.30 GHz
1092
Intel Core i7-6660U Intel Core i7-6660U
2C 4T @ 3.40 GHz
1092
AMD Ryzen 3 1200 [12nm] AMD Ryzen 3 1200 [12nm]
4C 4T @ 3.40 GHz
1092
Intel Core i7-6600U Intel Core i7-6600U
2C 4T @ 3.40 GHz
1092

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i3-9100 Intel Core i3-9100
4C 4T @ 3.80 GHz
3824
Intel Core i3-9100F Intel Core i3-9100F
4C 4T @ 3.80 GHz
3824
Intel Xeon E5-1650 v2 Intel Xeon E5-1650 v2
6C 12T @ 3.70 GHz
3824
Intel Core i5-8400T Intel Core i5-8400T
6C 6T @ 2.80 GHz
3816
Intel Xeon E5-2650 v2 Intel Xeon E5-2650 v2
8C 16T @ 3.00 GHz
3808
Intel Core i5-5675C Intel Core i5-5675C
4C 4T @ 3.30 GHz
3802
Intel Core i7-4870HQ Intel Core i7-4870HQ
4C 8T @ 2.50 GHz
3787

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.
AMD Ryzen 7 7745HX AMD Ryzen 7 7745HX
AMD Radeon 610M @ 2.20 GHz
443
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
AMD Radeon 610M @ 2.20 GHz
443
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
AMD Radeon 610M @ 2.20 GHz
443
Intel Core i5-8400T Intel Core i5-8400T
Intel UHD Graphics 630 @ 1.15 GHz
442
Intel Core i5-10500E Intel Core i5-10500E
Intel UHD Graphics 630 @ 1.15 GHz
442
Intel Core i7-10700TE Intel Core i7-10700TE
Intel UHD Graphics 630 @ 1.15 GHz
442
Intel Core i3-10305 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 Core i7-7820HK Intel Core i7-7820HK
4C 8T @ 3.50 GHz
7522
AMD Ryzen 3 4300U AMD Ryzen 3 4300U
4C 4T @ 3.70 GHz
7510
Intel Core i5-8300H Intel Core i5-8300H
4C 8T @ 3.60 GHz
7504
Intel Core i5-8400T Intel Core i5-8400T
6C 6T @ 2.80 GHz
7503
Intel Xeon E3-1535M v5 Intel Xeon E3-1535M v5
4C 8T @ 3.40 GHz
7498
Intel Xeon D-1531 Intel Xeon D-1531
6C 12T @ 2.20 GHz
7493
AMD Ryzen 5 2400GE 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 Core i7-4790S Intel Core i7-4790S
4C 8T @ 3.20 GHz
1968
AMD FX-9590 AMD FX-9590
8C 8T @ 4.70 GHz
1967
Intel Core i7-4940MX Intel Core i7-4940MX
4C 8T @ 3.10 GHz
1967
Intel Core i5-8400T Intel Core i5-8400T
6C 6T @ 1.70 GHz
1963
Intel Core i7-8665U Intel Core i7-8665U
4C 8T @ 1.90 GHz
1960
Intel Xeon E5-1620 v3 Intel Xeon E5-1620 v3
4C 8T @ 3.50 GHz
1958
AMD Ryzen 5 2400GE AMD Ryzen 5 2400GE
4C 8T @ 3.20 GHz
1957

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 Intel Core i5-4570
4C 4T @ 3.60 GHz
140
Intel Core i5-4570S Intel Core i5-4570S
4C 4T @ 3.60 GHz
140
Intel Xeon E3-1225 v3 Intel Xeon E3-1225 v3
4C 4T @ 3.60 GHz
140
Intel Core i5-8400T Intel Core i5-8400T
6C 6T @ 3.30 GHz
139
AMD Athlon 3000G AMD Athlon 3000G
2C 4T @ 3.50 GHz
139
Intel Core i3-8121U Intel Core i3-8121U
2C 4T @ 3.20 GHz
139
Intel Xeon Gold 5119T Intel Xeon Gold 5119T
14C 28T @ 3.20 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.
AMD Ryzen 7 3700U AMD Ryzen 7 3700U
4C 8T @ 3.50 GHz
701
AMD Ryzen 7 3780U AMD Ryzen 7 3780U
4C 8T @ 3.50 GHz
701
AMD FX-9370 AMD FX-9370
8C 8T @ 4.70 GHz
699
Intel Core i5-8400T Intel Core i5-8400T
6C 6T @ 2.80 GHz
696
Intel Core i7-4980HQ Intel Core i7-4980HQ
4C 8T @ 2.80 GHz
695
Intel Core i7-6820HK Intel Core i7-6820HK
4C 8T @ 3.20 GHz
694
Intel Core i7-6820HQ Intel Core i7-6820HQ
4C 8T @ 3.20 GHz
694

Benchmarks





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