Intel Core i5-9400T vs Intel Core i7-6700T

Comparative analysis of Intel Core i5-9400T and Intel Core i7-6700T processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 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 i5-9400T

Intel Core i7-6700T

Differences

Reasons to consider the Intel Core i5-9400T

CPU is newer: launch date 3 year(s) 0 month(s) later
2 more cores, run more applications at once: 6 vs 4
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 3% better performance in PassMark - Single thread mark: 2100 vs 2042
Around 17% better performance in PassMark - CPU mark: 8278 vs 7090

Specifications (specs)
Launch date	September 2018 vs 1 September 2015
Number of cores	6 vs 4
L1 cache	64K (per core) vs 256 KB
L2 cache	256K (per core) vs 1 MB
L3 cache	9 MB (shared) vs 6 MB
Benchmarks
PassMark - Single thread mark	2100 vs 2042
PassMark - CPU mark	8278 vs 7090

Reasons to consider the Intel Core i7-6700T

Around 100% higher clock speed: 3.60 GHz vs 1.8 GHz

Maximum frequency	3.60 GHz vs 1.8 GHz

Compare benchmarks

CPU 1: Intel Core i5-9400T
CPU 2: Intel Core i7-6700T

PassMark - Single thread mark

CPU 1

CPU 2

2100

2042

PassMark - CPU mark

CPU 1

CPU 2

8278

7090

Name	Intel Core i5-9400T	Intel Core i7-6700T
PassMark - Single thread mark	2100	2042
PassMark - CPU mark	8278	7090
Geekbench 4 - Single Core		908
Geekbench 4 - Multi-Core		3381
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		38.963
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		128.683
CompuBench 1.5 Desktop - T-Rex (Frames/s)		1.365
CompuBench 1.5 Desktop - Video Composition (Frames/s)		3.628
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		24.057
GFXBench 4.0 - Car Chase Offscreen (Frames)		1457
GFXBench 4.0 - Manhattan (Frames)		2650
GFXBench 4.0 - T-Rex (Frames)		4934
GFXBench 4.0 - Car Chase Offscreen (Fps)		1457
GFXBench 4.0 - Manhattan (Fps)		2650
GFXBench 4.0 - T-Rex (Fps)		4934

Compare specifications (specs)

	Intel Core i5-9400T	Intel Core i7-6700T
Essentials
Architecture codename	Coffee Lake	Skylake
Launch date	September 2018	1 September 2015
Place in performance rating	1168	1165
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$303
Price now		$349
Processor Number		i7-6700T
Series		6th Generation Intel® Core™ i7 Processors
Status		Launched
Value for money (0-100)		7.63
Performance
64 bit support
L1 cache	64K (per core)	256 KB
L2 cache	256K (per core)	1 MB
L3 cache	9 MB (shared)	6 MB
Manufacturing process technology	14 nm	14 nm
Maximum case temperature (TCase)	72 °C	66 °C
Maximum frequency	1.8 GHz	3.60 GHz
Number of cores	6	4
Base frequency		2.80 GHz
Bus Speed		8 GT/s DMI3
Die size		122 mm
Maximum core temperature		66°C
Number of threads		8
Memory
Supported memory types	DDR4	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
Max memory channels		2
Maximum memory bandwidth		34.1 GB/s
Maximum memory size		64 GB
Compatibility
Max number of CPUs in a configuration	1	1
Thermal Design Power (TDP)	35 Watt	35 Watt
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Sockets supported		FCLGA1151
Thermal Solution		PCG 2015A (35W)
Security & Reliability
Intel® Trusted Execution technology (TXT)
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
Advanced Technologies
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
AMD Virtualization (AMD-V™)
Intel® VT-x with Extended Page Tables (EPT)
Graphics
Device ID		0x1912
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.10 GHz
Graphics max frequency		1.1 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory		64 GB
Processor graphics		Intel® HD Graphics 530
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported		3
Wireless Display (WiDi) support
Graphics image quality
4K resolution support
Max resolution over DisplayPort		4096x2304@60Hz
Max resolution over eDP		4096x2304@60Hz
Max resolution over HDMI 1.4		4096x2304@24Hz
Max resolution over VGA		N / A
Max resolution over WiDi		1080p
Graphics API support
DirectX		12
OpenGL		4.5
Peripherals
Max number of PCIe lanes		16
PCI Express revision		3.0
PCIe configurations		Up to 1x16, 2x8, 1x8+2x4
Scalability		1S Only