Intel Core i5-10400 vs Intel Atom N450

Comparative analysis of Intel Core i5-10400 and Intel Atom N450 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: 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), PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i5-10400

Intel Atom N450

Differences

Reasons to consider the Intel Core i5-10400

CPU is newer: launch date 10 year(s) 5 month(s) later
5 more cores, run more applications at once: 6 vs 1
10 more threads: 12 vs 2
Around 159% higher clock speed: 4.30 GHz vs 1.66 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
6x more L1 cache, more data can be stored in the L1 cache for quick access later
3x more L2 cache, more data can be stored in the L2 cache for quick access later
64x more maximum memory size: 128 GB vs 2 GB
9.3x better performance in PassMark - Single thread mark: 2565 vs 277
59.4x better performance in PassMark - CPU mark: 12057 vs 203

Specifications (specs)
Launch date	27 May 2020 vs 21 December 2009
Number of cores	6 vs 1
Number of threads	12 vs 2
Maximum frequency	4.30 GHz vs 1.66 GHz
Manufacturing process technology	14 nm vs 45 nm
L1 cache	384 KB vs 64 KB (per core)
L2 cache	1.5 MB vs 512 KB
Maximum memory size	128 GB vs 2 GB
Benchmarks
PassMark - Single thread mark	2565 vs 277
PassMark - CPU mark	12057 vs 203

Reasons to consider the Intel Atom N450

10.8x lower typical power consumption: 5.5 Watt vs 65 Watt

Thermal Design Power (TDP)	5.5 Watt vs 65 Watt

Compare benchmarks

CPU 1: Intel Core i5-10400
CPU 2: Intel Atom N450

PassMark - Single thread mark

CPU 1

CPU 2

2565

277

PassMark - CPU mark

CPU 1

CPU 2

12057

203

Name	Intel Core i5-10400	Intel Atom N450
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
PassMark - Single thread mark	2565	277
PassMark - CPU mark	12057	203
3DMark Fire Strike - Physics Score	4726
Geekbench 4 - Single Core		80
Geekbench 4 - Multi-Core		124

Compare specifications (specs)

	Intel Core i5-10400	Intel Atom N450
Essentials
Architecture codename	Comet Lake	Pineview
Launch date	27 May 2020	21 December 2009
Launch price (MSRP)	$182	$64
Place in performance rating	504	3308
Processor Number	i5-10400	N450
Series	10th Generation Intel Core i5 Processors	Legacy Intel Atom® Processors
Status	Launched	Discontinued
Vertical segment	Desktop	Mobile
Performance
64 bit support
Base frequency	2.90 GHz	1.66 GHz
Bus Speed	8 GT/s	2.5 GT/s DMI
L1 cache	384 KB	64 KB (per core)
L2 cache	1.5 MB	512 KB
L3 cache	12 MB
Manufacturing process technology	14 nm	45 nm
Maximum core temperature	100°C	100°C
Maximum frequency	4.30 GHz	1.66 GHz
Number of cores	6	1
Number of threads	12	2
Die size		66 mm2
Front-side bus (FSB)		533 MHz
Transistor count		123 million
VID voltage range		0.800V-1.175V
Memory
Max memory channels	2	1
Maximum memory bandwidth	41.6 GB/s
Maximum memory size	128 GB	2 GB
Supported memory types	DDR4-2666	DDR2 667
Graphics
Device ID	0x9BC8 / 0x9BC5
Graphics base frequency	350 MHz
Graphics max dynamic frequency	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
Processor graphics	Intel UHD Graphics 630	Integrated
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	4096x2160@30Hz
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	22mm x 22mm
Thermal Design Power (TDP)	65 Watt	5.5 Watt
Thermal Solution	PCG 2015C
Low Halogen Options Available
Sockets supported		FCBGA559
Peripherals
Max number of PCIe lanes	16
PCI Express revision	3.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4
Scalability	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® SSE2, Intel® SSE3, Intel® SSSE3
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
Intel® Demand Based Switching
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)