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Intel Core i5-6400T Benchmark, Test and specs

Last updated: 2023-04-11

The Intel Core i5-6400T has 4 cores with 4 threads and is based on the 6. gen of the Intel Core i5 series. The processor uses a mainboard with the LGA 1151 socket and was released in Q3/2015. The Intel Core i5-6400T scores 711 points in the Geekbench 5 single-core benchmark. In the Geekbench 5 multi-core benchmark, the result is 2,257 points.

At a glance
Name:	Intel Core i5-6400T
Family:	Intel Core i5 (336)
CPU group:	Intel Core i 6000 (24)
Architecture:	Skylake S
Technology:	14 nm
Segment:	Desktop
Generation:	6
Predecessor:	--
Successor:	Intel Core i5-7400T

CPU Cores and Base Frequency

The Intel Core i5-6400T has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i5-6400T is 2.20 GHz (2.80 GHz). The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.

CPU Cores / Threads:	4 / 4
Core architecture:	normal
Cores:	4x

Hyperthreading / SMT:	No
Overclocking:	No
Frequency:	2.20 GHz
Turbo Frequency (1 Core):	2.80 GHz
Turbo Frequency (4 Cores):	2.50 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.

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

Integrated graphics (iGPU)

The Intel Core i5-6400T has integrated graphics, called iGPU for short. Specifically, the Intel Core i5-6400T uses the Intel HD Graphics 530, 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 HD Graphics 530
GPU frequency:	0.35 GHz
GPU (Turbo):	1.15 GHz
Compute units:	24
Shader:	192
Hardware Raytracing:	No
Release date:	Q3/2015

Max. displays:	3
Generation:	9
Direct X:	12
Technology:	14 nm
Max. GPU Memory:	32 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
h264:	Decode / Encode
VP8:	Decode / Encode
VP9:	Decode

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

Memory type:	Memory bandwidth:
Memory & PCIe The processor can use up to 64 GB memory in 2 (Dual Channel) memory channels. The maximum memory bandwidth is 34.1 GB/s. The memory type as well as the amount of memory can greatly affect the speed of the system.

DDR4-2133 DDR3-1600	34.1 GB/s 25.6 GB/s
Max. Memory:	64 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 35 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):	35 W
TDP (PL2):	--
TDP up:	--
TDP down:	--
Tjunction max.:	--

Technical details

The Intel Core i5-6400T 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 6.00 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
L2-Cache:	--
L3-Cache:	6.00 MB
AES-NI:	Yes
Operating systems:	Windows 10, 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:	Q3/2015
Release price:	--
Part Number:	--
Documents:	Technical data sheet

Intel Core i5-6400T
4C 4T @ 2.20 GHz (2.80 GHz)

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Benchmark results

The benchmark results for the Intel Core i5-6400T 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.

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.


	Intel Core i5-4670K 4C 4T @ 3.80 GHz	975
	Intel Core i5-4430S 4C 4T @ 3.20 GHz	973
	Intel Xeon E5-2670 v3 12C 24T @ 3.10 GHz	968
	Intel Core i5-6400T 4C 4T @ 2.80 GHz	967
	Intel Xeon E5-2683 v4 16C 32T @ 3.00 GHz	963
	Intel Core i3-4160T 2C 4T @ 3.10 GHz	955
	Intel Core i5-4570R 4C 4T @ 3.20 GHz	952

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 i5-4430S 4C 4T @ 2.70 GHz	2760
	Intel Core i5-4670T 4C 4T @ 2.80 GHz	2749
	Intel Core i3-7350K 2C 4T @ 4.20 GHz	2740
	Intel Core i5-6400T 4C 4T @ 2.50 GHz	2732
	Intel Core i3-6320 2C 4T @ 3.90 GHz	2730
	Intel Core i7-980 6C 12T @ 3.33 GHz	2714
	Intel Xeon Bronze 3204 6C 6T @ 1.90 GHz	2698

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 i5-3340 4C 4T @ 3.30 GHz	714
	Intel Core i5-3340S 4C 4T @ 3.30 GHz	714
	Intel Core i5-3350P 4C 4T @ 3.30 GHz	714
	Intel Core i5-6400T 4C 4T @ 2.80 GHz	711
	Intel Core i5-4590T 4C 4T @ 3.00 GHz	709
	Intel Core i5-3570T 4C 4T @ 3.30 GHz	708
	Intel Xeon E5-2650L v4 14C 28T @ 2.50 GHz	708

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 i5-2310 4C 4T @ 2.90 GHz	2278
	AMD FX-8320E 8C 8T @ 3.60 GHz	2269
	Intel Xeon E5-2603 v3 6C 6T @ 1.60 GHz	2268
	Intel Core i5-6400T 4C 4T @ 2.50 GHz	2257
	Intel Core i7-940 4C 8T @ 2.93 GHz	2253
	Intel Core i5-3570T 4C 4T @ 2.30 GHz	2232
	Intel Pentium Gold G6500 2C 4T @ 4.10 GHz	2232

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 i7-7700 Intel HD Graphics 630 @ 1.15 GHz	442
	Intel Core i7-7700K Intel HD Graphics 630 @ 1.15 GHz	442
	Intel Core i7-7700T Intel HD Graphics 630 @ 1.15 GHz	442
	Intel Core i5-6400T Intel HD Graphics 530 @ 1.15 GHz	442
	AMD A8-6500 AMD Radeon HD 8570D @ 0.84 GHz	432
	AMD A8-6600K AMD Radeon HD 8570D @ 0.84 GHz	432
	AMD FX-7500 AMD Radeon R7 - 512 (Kaveri) @ 0.55 GHz	425

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 i3-7100 2C 4T @ 3.90 GHz	4360
	Intel Core i5-3450S 4C 4T @ 2.80 GHz	4350
	Intel Core i5-4670T 4C 4T @ 2.80 GHz	4314
	Intel Core i5-6400T 4C 4T @ 2.50 GHz	4312
	AMD Athlon 320GE 2C 4T @ 3.50 GHz	4288
	Intel Atom C3958 16C 16T @ 2.00 GHz	4281
	Intel Pentium Gold G6405 2C 4T @ 4.10 GHz	4270

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 i3-10100Y 2C 4T @ 3.90 GHz	121
	Intel Xeon E5-2630L v4 10C 20T @ 2.90 GHz	121
	Intel Xeon E5-2650 v4 12C 24T @ 2.90 GHz	121
	Intel Core i5-6400T 4C 4T @ 2.80 GHz	119
	Intel Celeron G4900T 2C 2T @ 2.80 GHz	119
	Intel Celeron G3900 2C 2T @ 2.80 GHz	119
	Intel Xeon E5-2670 v3 12C 24T @ 3.10 GHz	119

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 Phenom II X6 1035T 6C 6T @ 3.10 GHz	419
	Intel Pentium Gold G6400 2C 4T @ 4.00 GHz	416
	Intel Xeon X3440 4C 8T @ 2.53 GHz	416
	Intel Core i5-6400T 4C 4T @ 2.50 GHz	414
	Intel Pentium Gold G5500 2C 4T @ 3.80 GHz	414
	Intel Core i3-6320 2C 4T @ 3.90 GHz	413
	Intel Core i5-4670T 4C 4T @ 2.80 GHz	404

Benchmarks

Geekbench 6 (SC)
1,833 entries

Geekbench 6 (MC)
1,779 entries

Geekbench 5 (SC)
2,506 entries

Geekbench 5 (MC)
2,474 entries

FP32 SP (iGPU)
2,128 entries

PassMark CPU-Mark
2,444 entries

Cinebench R15 (SC)
1,108 entries

Cinebench R15 (MC)
1,104 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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