Intel Core i5-9400 vs Intel Core i9-9900X

Comparative analysis of Intel Core i5-9400 and Intel Core i9-9900X 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: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, 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).

 

Differences

Reasons to consider the Intel Core i5-9400

  • Around 9% higher maximum core temperature: 100°C vs 92°C
  • 2.5x lower typical power consumption: 65 Watt vs 165 Watt
Maximum core temperature 100°C vs 92°C
Thermal Design Power (TDP) 65 Watt vs 165 Watt

Reasons to consider the Intel Core i9-9900X

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 4 more cores, run more applications at once: 10 vs 6
  • 14 more threads: 20 vs 6
  • Around 7% higher clock speed: 4.40 GHz vs 4.10 GHz
  • Around 67% more L1 cache; more data can be stored in the L1 cache for quick access later
  • 6.7x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 2.1x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 5% better performance in PassMark - Single thread mark: 2559 vs 2436
  • 2.3x better performance in PassMark - CPU mark: 21815 vs 9374
  • Around 6% better performance in Geekbench 4 - Single Core: 1136 vs 1075
  • 2.2x better performance in Geekbench 4 - Multi-Core: 10446 vs 4645
  • 2.8x better performance in 3DMark Fire Strike - Physics Score: 10364 vs 3760
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 10 vs 6
Number of threads 20 vs 6
Maximum frequency 4.40 GHz vs 4.10 GHz
L1 cache 64K (per core) vs 64K (per core)
L2 cache 1 MB (per core) vs 256K (per core)
L3 cache 19.25 MB (shared) vs 9 MB (shared)
Benchmarks
PassMark - Single thread mark 2559 vs 2436
PassMark - CPU mark 21815 vs 9374
Geekbench 4 - Single Core 1136 vs 1075
Geekbench 4 - Multi-Core 10446 vs 4645
3DMark Fire Strike - Physics Score 10364 vs 3760

Compare benchmarks

CPU 1: Intel Core i5-9400
CPU 2: Intel Core i9-9900X

PassMark - Single thread mark
CPU 1
CPU 2
2436
2559
PassMark - CPU mark
CPU 1
CPU 2
9374
21815
Geekbench 4 - Single Core
CPU 1
CPU 2
1075
1136
Geekbench 4 - Multi-Core
CPU 1
CPU 2
4645
10446
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
3760
10364
Name Intel Core i5-9400 Intel Core i9-9900X
PassMark - Single thread mark 2436 2559
PassMark - CPU mark 9374 21815
Geekbench 4 - Single Core 1075 1136
Geekbench 4 - Multi-Core 4645 10446
3DMark Fire Strike - Physics Score 3760 10364
GFXBench 4.0 - Car Chase Offscreen (Frames) 1738
GFXBench 4.0 - Manhattan (Frames) 3574
GFXBench 4.0 - T-Rex (Frames) 6414
GFXBench 4.0 - Car Chase Offscreen (Fps) 1738
GFXBench 4.0 - Manhattan (Fps) 3574
GFXBench 4.0 - T-Rex (Fps) 6414

Compare specifications (specs)

Intel Core i5-9400 Intel Core i9-9900X

Essentials

Architecture codename Coffee Lake Skylake
Launch date October 2018 October 2018
Place in performance rating 832 819
Processor Number i5-9400 i9-9900X
Series 9th Generation Intel® Core™ i5 Processors Intel® Core™ X-series Processors
Status Launched Launched
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 2.90 GHz 3.50 GHz
Bus Speed 8 GT/s DMI3 8 GT/s DMI3
L1 cache 64K (per core) 64K (per core)
L2 cache 256K (per core) 1 MB (per core)
L3 cache 9 MB (shared) 19.25 MB (shared)
Manufacturing process technology 14 nm 14 nm
Maximum case temperature (TCase) 72 °C 72 °C
Maximum core temperature 100°C 92°C
Maximum frequency 4.10 GHz 4.40 GHz
Number of cores 6 10
Number of threads 6 20
Number of QPI Links 0
Unlocked

Memory

Max memory channels 2 4
Maximum memory bandwidth 41.6 GB/s
Maximum memory size 128 GB 128 GB
Supported memory types DDR4-2666 DDR4-2666

Graphics

Device ID 0X3E98/x92
Graphics base frequency 350 MHz
Graphics max dynamic frequency 1.05 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® UHD Graphics 630

Graphics interfaces

Number of displays supported 3

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

Graphics API support

DirectX 12
OpenGL 4.5

Compatibility

Max number of CPUs in a configuration 1 1
Package Size 37.5mm x 37.5mm
Sockets supported FCLGA1151 FCLGA2066
Thermal Design Power (TDP) 65 Watt 165 Watt
Thermal Solution PCG 2015C (65W) PCG 2017X

Peripherals

Max number of PCIe lanes 16 44
PCI Express revision 3.0 3.0
PCIe configurations Up to 1x16, 2x8, 1x8+2x4
Scalability 1S Only 1S Only

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)
Secure Boot

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
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
Number of AVX-512 FMA Units 2

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)