Intel Core i9-11900K vs Intel Core i5-2300

Comparative analysis of Intel Core i9-11900K and Intel Core i5-2300 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Core i9-11900K

Intel Core i5-2300

Differences

Reasons to consider the Intel Core i9-11900K

CPU is newer: launch date 10 year(s) 2 month(s) later
4 more cores, run more applications at once: 8 vs 4
12 more threads: 16 vs 4
Around 71% higher clock speed: 5.30 GHz vs 3.10 GHz
Around 38% higher maximum core temperature: 100°C vs 72.6°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2.7x more L3 cache, more data can be stored in the L3 cache for quick access later
4x more maximum memory size: 128 GB vs 32 GB
2.5x better performance in PassMark - Single thread mark: 3510 vs 1432
7.2x better performance in PassMark - CPU mark: 25059 vs 3457

Specifications (specs)
Launch date	16 Mar 2021 vs January 2011
Number of cores	8 vs 4
Number of threads	16 vs 4
Maximum frequency	5.30 GHz vs 3.10 GHz
Maximum core temperature	100°C vs 72.6°C
Manufacturing process technology	14 nm vs 32 nm
L1 cache	512 KB vs 64 KB (per core)
L2 cache	2 MB vs 256 KB (per core)
L3 cache	16 MB vs 6144 KB (shared)
Maximum memory size	128 GB vs 32 GB
Benchmarks
PassMark - Single thread mark	3510 vs 1432
PassMark - CPU mark	25059 vs 3457

Reasons to consider the Intel Core i5-2300

Around 32% lower typical power consumption: 95 Watt vs 125 Watt

Thermal Design Power (TDP)	95 Watt vs 125 Watt

Compare benchmarks

CPU 1: Intel Core i9-11900K
CPU 2: Intel Core i5-2300

PassMark - Single thread mark

CPU 1

CPU 2

3510

1432

PassMark - CPU mark

CPU 1

CPU 2

25059

3457

Name	Intel Core i9-11900K	Intel Core i5-2300
PassMark - Single thread mark	3510	1432
PassMark - CPU mark	25059	3457
3DMark Fire Strike - Physics Score	8346	0
Geekbench 4 - Single Core		603
Geekbench 4 - Multi-Core		1959
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		2.55
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		59.433
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.32
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.236
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		3.695

Compare specifications (specs)

	Intel Core i9-11900K	Intel Core i5-2300
Essentials
Architecture codename	Rocket Lake	Sandy Bridge
Launch date	16 Mar 2021	January 2011
Launch price (MSRP)	$539 - $549	$168
Place in performance rating	427	2785
Processor Number	i9-11900K	i5-2300
Series	11th Generation Intel Core i9 Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Desktop	Desktop
Price now		$79.99
Value for money (0-100)		19.67
Performance
64 bit support
Base frequency	3.50 GHz	2.80 GHz
Bus Speed	8 GT/s	5 GT/s DMI
L1 cache	512 KB	64 KB (per core)
L2 cache	2 MB	256 KB (per core)
L3 cache	16 MB	6144 KB (shared)
Manufacturing process technology	14 nm	32 nm
Maximum core temperature	100°C	72.6°C
Maximum frequency	5.30 GHz	3.10 GHz
Number of cores	8	4
Number of threads	16	4
Die size		216 mm
Transistor count		1160 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	50 GB/s	21 GB/s
Maximum memory size	128 GB	32 GB
Supported memory types	DDR4-3200	DDR3 1066/1333
Graphics
Device ID	0x4C8A	0x102
Execution Units	32
Graphics base frequency	350 MHz	850 MHz
Graphics max dynamic frequency	1.30 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
Processor graphics	Intel UHD Graphics 750	Intel® HD Graphics 2000
Graphics max frequency		1.1 GHz
Intel® Flexible Display Interface (Intel® FDI)
Graphics interfaces
Number of displays supported	3	2
Wireless Display (WiDi) support
Graphics image quality
4K resolution support
Max resolution over DisplayPort	5120 x 3200 @60Hz
Max resolution over eDP	5120 x 3200 @60Hz
Graphics API support
DirectX	12.1
OpenGL	4.5
Compatibility
Configurable TDP-down	95 Watt
Configurable TDP-down Frequency	3.00 GHz
Max number of CPUs in a configuration	1	1
Package Size	37.5 mm x 37.5 mm	37.5mm x 37.5mm
Sockets supported	FCLGA1200	LGA1155
Thermal Design Power (TDP)	125 Watt	95 Watt
Thermal Solution	PCG 2019A
Low Halogen Options Available
Peripherals
Max number of PCIe lanes	20	16
PCI Express revision	4.0	2.0
PCIe configurations	Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
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 AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
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
Thermal Monitoring
Flexible Display interface (FDI)
Intel® Advanced Vector Extensions (AVX)
Intel® Fast Memory Access
Intel® Flex Memory Access
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)