Intel Core i5-9400F vs Intel Core 2 Quad Q9400

Comparative analysis of Intel Core i5-9400F and Intel Core 2 Quad Q9400 processors for all known characteristics in the following categories: Essentials, Performance, Memory, 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, 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 i5-9400F

Intel Core 2 Quad Q9400

Differences

Reasons to consider the Intel Core i5-9400F

2 more cores, run more applications at once: 6 vs 4
Around 54% higher clock speed: 4.10 GHz vs 2.67 GHz
Around 40% higher maximum core temperature: 100°C vs 71.4°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
Around 46% lower typical power consumption: 65 Watt vs 95 Watt
2.1x better performance in PassMark - Single thread mark: 2430 vs 1139
4.4x better performance in PassMark - CPU mark: 9458 vs 2150
2.9x better performance in Geekbench 4 - Single Core: 1083 vs 376
4.1x better performance in Geekbench 4 - Multi-Core: 4737 vs 1151

Specifications (specs)
Number of cores	6 vs 4
Maximum frequency	4.10 GHz vs 2.67 GHz
Maximum core temperature	100°C vs 71.4°C
Manufacturing process technology	14 nm vs 45 nm
Thermal Design Power (TDP)	65 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	2430 vs 1139
PassMark - CPU mark	9458 vs 2150
Geekbench 4 - Single Core	1083 vs 376
Geekbench 4 - Multi-Core	4737 vs 1151

Compare benchmarks

CPU 1: Intel Core i5-9400F
CPU 2: Intel Core 2 Quad Q9400

PassMark - Single thread mark

CPU 1

CPU 2

2430

1139

PassMark - CPU mark

CPU 1

CPU 2

9458

2150

Geekbench 4 - Single Core

CPU 1

CPU 2

1083

376

Geekbench 4 - Multi-Core

CPU 1

CPU 2

4737

1151

Name	Intel Core i5-9400F	Intel Core 2 Quad Q9400
PassMark - Single thread mark	2430	1139
PassMark - CPU mark	9458	2150
Geekbench 4 - Single Core	1083	376
Geekbench 4 - Multi-Core	4737	1151
3DMark Fire Strike - Physics Score	3746	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.574
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		26.509
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.136
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.094
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		4.189

Compare specifications (specs)

	Intel Core i5-9400F	Intel Core 2 Quad Q9400
Essentials
Architecture codename	Coffee Lake	Yorkfield
Launch date	Q1'19	August 2008
Place in performance rating	1348	3130
Processor Number	i5-9400F	Q9400
Series	9th Generation Intel® Core™ i5 Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Desktop	Desktop
Price now		$33.98
Value for money (0-100)		28.99
Performance
64 bit support
Base frequency	2.90 GHz	2.66 GHz
Bus Speed	8 GT/s DMI3	1333 MHz FSB
Manufacturing process technology	14 nm	45 nm
Maximum core temperature	100°C	71.4°C
Maximum frequency	4.10 GHz	2.67 GHz
Number of cores	6	4
Number of threads	6
Die size		164 mm2
L1 cache		256 KB
L2 cache		6144 KB
Maximum case temperature (TCase)		71 °C
Transistor count		456 million
VID voltage range		0.8500V-1.3625V
Memory
Max memory channels	2
Maximum memory bandwidth	41.6 GB/s
Maximum memory size	128 GB
Supported memory types	DDR4-2666	DDR1, DDR2, DDR3
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	LGA775
Thermal Design Power (TDP)	65 Watt	95 Watt
Thermal Solution	PCG 2015C (65W)
Low Halogen Options Available
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® 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 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
FSB parity
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)