Intel Core i3-9350K vs Intel Core i5-9400

Comparative analysis of Intel Core i3-9350K and Intel Core i5-9400 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).

Intel Core i3-9350K

Intel Core i5-9400

Differences

Reasons to consider the Intel Core i3-9350K

CPU is newer: launch date 6 month(s) later
Around 12% higher clock speed: 4.60 GHz vs 4.10 GHz
Around 14% better performance in PassMark - Single thread mark: 2783 vs 2436

Specifications (specs)
Launch date	23 Apr 2019 vs October 2018
Maximum frequency	4.60 GHz vs 4.10 GHz
Benchmarks
PassMark - Single thread mark	2783 vs 2436

Reasons to consider the Intel Core i5-9400

2 more cores, run more applications at once: 6 vs 4
2 more threads: 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 13% more L3 cache; more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 128 GB vs 64 GB
Around 40% lower typical power consumption: 65 Watt vs 91 Watt
Around 22% better performance in PassMark - CPU mark: 9374 vs 7700

Specifications (specs)
Number of cores	6 vs 4
Number of threads	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 8 MB
Maximum memory size	128 GB vs 64 GB
Thermal Design Power (TDP)	65 Watt vs 91 Watt
Benchmarks
PassMark - CPU mark	9374 vs 7700

Compare benchmarks

CPU 1: Intel Core i3-9350K
CPU 2: Intel Core i5-9400

PassMark - Single thread mark

CPU 1

CPU 2

2783

2436

PassMark - CPU mark

CPU 1

CPU 2

7700

9374

Name	Intel Core i3-9350K	Intel Core i5-9400
PassMark - Single thread mark	2783	2436
PassMark - CPU mark	7700	9374
Geekbench 4 - Single Core		1075
Geekbench 4 - Multi-Core		4645
3DMark Fire Strike - Physics Score		3760
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 i3-9350K	Intel Core i5-9400
Essentials
Architecture codename	Coffee Lake	Coffee Lake
Launch date	23 Apr 2019	October 2018
Launch price (MSRP)	$173 - $184
Place in performance rating	835	832
Processor Number	i3-9350K	i5-9400
Series	9th Generation Intel Core i3 Processors	9th Generation Intel® Core™ i5 Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	4.00 GHz	2.90 GHz
Bus Speed	8 GT/s	8 GT/s DMI3
L1 cache	256 KB	64K (per core)
L2 cache	1 MB	256K (per core)
L3 cache	8 MB	9 MB (shared)
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	100°C
Maximum frequency	4.60 GHz	4.10 GHz
Number of cores	4	6
Number of threads	4	6
Maximum case temperature (TCase)		72 °C
Memory
Max memory channels	2	2
Maximum memory bandwidth	37.5 GB/s	41.6 GB/s
Maximum memory size	64 GB	128 GB
Supported memory types	DDR4-2400	DDR4-2666
Graphics
Device ID	0x3E91	0X3E98/x92
Graphics base frequency	350 MHz	350 MHz
Graphics max dynamic frequency	1.15 GHz	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	64 GB
Processor graphics	Intel UHD Graphics 630	Intel® UHD Graphics 630
Graphics interfaces
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@24Hz	4096x2304@24Hz
Graphics API support
DirectX	12	12
OpenGL	4.5	4.5
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1151	FCLGA1151
Thermal Design Power (TDP)	91 Watt	65 Watt
Thermal Solution	PCG 2015D (130W)	PCG 2015C (65W)
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	3.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4	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 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® Turbo Boost technology
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Intel® TSX-NI
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)