Intel Core i9-10900K vs Intel Core i5-10400

Comparative analysis of Intel Core i9-10900K and Intel Core i5-10400 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, 3DMark Fire Strike - Physics Score, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Core i9-10900K

Intel Core i5-10400

Differences

Reasons to consider the Intel Core i9-10900K

4 more cores, run more applications at once: 10 vs 6
8 more threads: 20 vs 12
Around 23% higher clock speed: 5.30 GHz vs 4.30 GHz
Around 67% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 22% better performance in PassMark - Single thread mark: 3127 vs 2568
Around 88% better performance in PassMark - CPU mark: 22732 vs 12117
Around 89% better performance in 3DMark Fire Strike - Physics Score: 8947 vs 4739

Specifications (specs)
Number of cores	10 vs 6
Number of threads	20 vs 12
Maximum frequency	5.30 GHz vs 4.30 GHz
L3 cache	20 MB vs 12 MB
Benchmarks
PassMark - Single thread mark	3127 vs 2568
PassMark - CPU mark	22732 vs 12117
3DMark Fire Strike - Physics Score	8947 vs 4739

Reasons to consider the Intel Core i5-10400

Around 92% lower typical power consumption: 65 Watt vs 125 Watt

Thermal Design Power (TDP)	65 Watt vs 125 Watt

Compare benchmarks

CPU 1: Intel Core i9-10900K
CPU 2: Intel Core i5-10400

PassMark - Single thread mark

CPU 1

CPU 2

3127

2568

PassMark - CPU mark

CPU 1

CPU 2

22732

12117

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

8947

4739

Name	Intel Core i9-10900K	Intel Core i5-10400
PassMark - Single thread mark	3127	2568
PassMark - CPU mark	22732	12117
3DMark Fire Strike - Physics Score	8947	4739
GFXBench 4.0 - Car Chase Offscreen (Frames)		1953
GFXBench 4.0 - Car Chase Offscreen (Fps)		1953
GFXBench 4.0 - Manhattan (Frames)		4164
GFXBench 4.0 - Manhattan (Fps)		4164
GFXBench 4.0 - T-Rex (Frames)		6744
GFXBench 4.0 - T-Rex (Fps)		6744

Compare specifications (specs)

	Intel Core i9-10900K	Intel Core i5-10400
Essentials
Architecture codename	Comet Lake	Comet Lake
Launch date	Q2'20	27 May 2020
Launch price (MSRP)	$488 - $499	$182
Place in performance rating	543	529
Processor Number	i9-10900K	i5-10400
Series	10th Generation Intel Core i9 Processors	10th Generation Intel Core i5 Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.70 GHz	2.90 GHz
Bus Speed	8 GT/s	8 GT/s
L3 cache	20 MB	12 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	100°C
Maximum frequency	5.30 GHz	4.30 GHz
Number of cores	10	6
Number of threads	20	12
L1 cache		384 KB
L2 cache		1.5 MB
Memory
Max memory channels	2	2
Maximum memory bandwidth	45.8 GB/s	41.6 GB/s
Maximum memory size	128 GB	128 GB
Supported memory types	DDR4-2933	DDR4-2666
Graphics
Device ID	0x9BC5	0x9BC8 / 0x9BC5
Graphics base frequency	350 MHz	350 MHz
Graphics max dynamic frequency	1.20 GHz	1.10 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	4096x2160@30Hz	4096x2160@30Hz
Graphics API support
DirectX	12	12
OpenGL	4.5	4.5
Compatibility
Configurable TDP-down	95 Watt
Configurable TDP-down Frequency	3.30 GHz
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1200
Thermal Design Power (TDP)	125 Watt	65 Watt
Thermal Solution	PCG 2015D	PCG 2015C
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® 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® Thermal Velocity Boost
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)
Intel® VT-x with Extended Page Tables (EPT)