Intel Core i5-14400 vs Intel Celeron 877

Comparative analysis of Intel Core i5-14400 and Intel Celeron 877 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Graphics, Graphics interfaces, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i5-14400

Intel Celeron 877

Differences

Reasons to consider the Intel Core i5-14400

CPU is newer: launch date 12 year(s) 1 month(s) later
8 more cores, run more applications at once: 10 vs 2
14 more threads: 16 vs 2
Around 236% higher clock speed: 4.7 GHz vs 1.4 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm vs 32 nm
6.3x more L1 cache, more data can be stored in the L1 cache for quick access later
25x more L2 cache, more data can be stored in the L2 cache for quick access later
10x more L3 cache, more data can be stored in the L3 cache for quick access later
5.8x better performance in PassMark - Single thread mark: 3764 vs 648
36.1x better performance in PassMark - CPU mark: 25263 vs 700

Specifications (specs)
Launch date	8 Jan 2024 vs 1 December 2011
Number of cores	10 vs 2
Number of threads	16 vs 2
Maximum frequency	4.7 GHz vs 1.4 GHz
Manufacturing process technology	10 nm vs 32 nm
L1 cache	80 KB (per core) vs 128 KB
L2 cache	1.25 MB (per core) vs 512 KB
L3 cache	20 MB (shared) vs 2048 KB
Benchmarks
PassMark - Single thread mark	3764 vs 648
PassMark - CPU mark	25263 vs 700

Reasons to consider the Intel Celeron 877

3.8x lower typical power consumption: 17 Watt vs 65 Watt

Thermal Design Power (TDP)	17 Watt vs 65 Watt

Compare benchmarks

CPU 1: Intel Core i5-14400
CPU 2: Intel Celeron 877

PassMark - Single thread mark

CPU 1

CPU 2

3764

648

PassMark - CPU mark

CPU 1

CPU 2

25263

700

Name	Intel Core i5-14400	Intel Celeron 877
PassMark - Single thread mark	3764	648
PassMark - CPU mark	25263	700
Geekbench 4 - Single Core		252
Geekbench 4 - Multi-Core		450

Compare specifications (specs)

	Intel Core i5-14400	Intel Celeron 877
Essentials
Launch date	8 Jan 2024	1 December 2011
Launch price (MSRP)	$221
Place in performance rating	229	3055
Architecture codename		Sandy Bridge
Processor Number		877
Series		Legacy Intel® Celeron® Processor
Status		Launched
Vertical segment		Mobile
Performance
Base frequency	2.5 GHz	1.40 GHz
Die size	215 mm²	131 mm
L1 cache	80 KB (per core)	128 KB
L2 cache	1.25 MB (per core)	512 KB
L3 cache	20 MB (shared)	2048 KB
Manufacturing process technology	10 nm	32 nm
Maximum core temperature	100°C	100 °C
Maximum frequency	4.7 GHz	1.4 GHz
Number of cores	10	2
Number of threads	16	2
Unlocked
64 bit support
Bus Speed		5 GT/s DMI
Transistor count		504 million
Memory
ECC memory support
Supported memory types	DDR4, DDR5	DDR3 1066/1333
Max memory channels		2
Maximum memory bandwidth		21.3 GB/s
Maximum memory size		16 GB
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	1700	BGA1023
Thermal Design Power (TDP)	65 Watt	17 Watt
Low Halogen Options Available
Package Size		31.0mm x 24.0mm (BGA1023)
Peripherals
PCIe configurations	Gen 5, 16 Lanes, (CPU only)	1x16, 2x8, 1x8 2x4
Max number of PCIe lanes		16
PCI Express revision		2.0
Graphics
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.00 GHz
Graphics max frequency		1 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics		Intel HD Graphics
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported		2
SDVO
Wireless Display (WiDi) support
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
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)