Intel Core i5-8279U vs Intel Core i5-8400H

Comparative analysis of Intel Core i5-8279U and Intel Core i5-8400H 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: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, PassMark - Single thread mark, PassMark - CPU mark.

 

Differences

Reasons to consider the Intel Core i5-8279U

  • Around 61% lower typical power consumption: 28 Watt vs 45 Watt
  • Around 16% better performance in Geekbench 4 - Multi-Core: 3981 vs 3428
Specifications (specs)
Thermal Design Power (TDP) 28 Watt vs 45 Watt
Benchmarks
Geekbench 4 - Multi-Core 3981 vs 3428

Reasons to consider the Intel Core i5-8400H

  • Around 2% higher clock speed: 4.20 GHz vs 4.10 GHz
  • Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later
  • 2x more maximum memory size: 64 GB vs 32 GB
  • Around 2% better performance in PassMark - Single thread mark: 2348 vs 2299
  • Around 2% better performance in PassMark - CPU mark: 7636 vs 7492
Specifications (specs)
Maximum frequency 4.20 GHz vs 4.10 GHz
L3 cache 8 MB vs 6 MB
Maximum memory size 64 GB vs 32 GB
Benchmarks
Geekbench 4 - Single Core 1044 vs 1043
PassMark - Single thread mark 2348 vs 2299
PassMark - CPU mark 7636 vs 7492

Compare benchmarks

CPU 1: Intel Core i5-8279U
CPU 2: Intel Core i5-8400H

Geekbench 4 - Single Core
CPU 1
CPU 2
1043
1044
Geekbench 4 - Multi-Core
CPU 1
CPU 2
3981
3428
PassMark - Single thread mark
CPU 1
CPU 2
2299
2348
PassMark - CPU mark
CPU 1
CPU 2
7492
7636
Name Intel Core i5-8279U Intel Core i5-8400H
Geekbench 4 - Single Core 1043 1044
Geekbench 4 - Multi-Core 3981 3428
PassMark - Single thread mark 2299 2348
PassMark - CPU mark 7492 7636

Compare specifications (specs)

Intel Core i5-8279U Intel Core i5-8400H

Essentials

Architecture codename Coffee Lake Coffee Lake
Launch date Q2'19 1 March 2018
Launch price (MSRP) $320
Place in performance rating 1360 1369
Processor Number i5-8279U i5-8400H
Vertical segment Mobile Mobile
Price now $250
Series 8th Generation Intel® Core™ i5 Processors
Status Launched
Value for money (0-100) 12.11

Performance

64 bit support
Base frequency 2.40 GHz 2.50 GHz
Bus Speed 4 GT/s OPI 8 GT/s DMI
L3 cache 6 MB 8 MB
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 100 °C 100°C
Maximum frequency 4.10 GHz 4.20 GHz
Number of cores 4 4
Number of threads 8 8
Die size 126 mm
L1 cache 256 KB
L2 cache 1 MB
Maximum case temperature (TCase) 72 °C

Memory

ECC memory support
Max memory channels 2 2
Maximum memory bandwidth 37.5 GB/s 41.8 GB/s
Maximum memory size 32 GB 64 GB
Supported memory types DDR4-2400, LPDDR3-2133 DDR4-2666, LPDDR3-2133

Graphics

Device ID 0x3EA5 0x3E9B
eDRAM 128 MB
Graphics base frequency 300 MHz 350 MHz
Graphics max dynamic frequency 1.15 GHz 1.10 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory 32 GB 64 GB
Processor graphics Intel Iris Plus Graphics 655 Intel® UHD Graphics 630

Graphics interfaces

DisplayPort
DVI
eDP
HDMI
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 4096x2304@30Hz 4096x2304@30Hz

Graphics API support

DirectX 12 12
OpenGL 4.5 4.5

Compatibility

Max number of CPUs in a configuration 1 1
Sockets supported FCBGA1528 FCBGA1440
Thermal Design Power (TDP) 28 Watt 45 Watt
Configurable TDP-down 35 W
Low Halogen Options Available
Package Size 42mm x 28mm

Peripherals

Max number of PCIe lanes 16 16
PCI Express revision 3.0 3.0
PCIe configurations 1x4, 2x2, 1x2+2x1, 4x1 Up to 1x16, 2x8, 1x8+2x4

Security & Reliability

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)
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Speed Shift technology
Thermal Monitoring
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel® Advanced Vector Extensions (AVX)

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™)