Intel Core i5-2400 vs Intel Core 2 Quad Q9400

Comparative analysis of Intel Core i5-2400 and Intel Core 2 Quad Q9400 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, 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 i5-2400

Intel Core 2 Quad Q9400

Differences

Reasons to consider the Intel Core i5-2400

CPU is newer: launch date 2 year(s) 5 month(s) later
Around 27% higher clock speed: 3.40 GHz vs 2.67 GHz
Around 2% higher maximum core temperature: 72.6°C vs 71.4°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 39% better performance in PassMark - Single thread mark: 1578 vs 1139
Around 80% better performance in PassMark - CPU mark: 3871 vs 2150
Around 77% better performance in Geekbench 4 - Single Core: 665 vs 376
Around 87% better performance in Geekbench 4 - Multi-Core: 2147 vs 1151
5.2x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 2.995 vs 0.574
2.7x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.364 vs 0.136
18.3x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.721 vs 0.094

Specifications (specs)
Launch date	January 2011 vs August 2008
Maximum frequency	3.40 GHz vs 2.67 GHz
Maximum core temperature	72.6°C vs 71.4°C
Manufacturing process technology	32 nm vs 45 nm
Benchmarks
PassMark - Single thread mark	1578 vs 1139
PassMark - CPU mark	3871 vs 2150
Geekbench 4 - Single Core	665 vs 376
Geekbench 4 - Multi-Core	2147 vs 1151
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.995 vs 0.574
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.364 vs 0.136
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.721 vs 0.094

Reasons to consider the Intel Core 2 Quad Q9400

6x more L2 cache, more data can be stored in the L2 cache for quick access later
2.8x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 26.509 vs 9.378
Around 1% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.189 vs 4.139

Specifications (specs)
L2 cache	6144 KB vs 256 KB (per core)
Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	26.509 vs 9.378
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.189 vs 4.139

Compare benchmarks

CPU 1: Intel Core i5-2400
CPU 2: Intel Core 2 Quad Q9400

PassMark - Single thread mark

CPU 1

CPU 2

1578

1139

PassMark - CPU mark

CPU 1

CPU 2

3871

2150

Geekbench 4 - Single Core

CPU 1

CPU 2

665

376

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2147

1151

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

2.995

0.574

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

9.378

26.509

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.364

0.136

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.721

0.094

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.139

4.189

Name	Intel Core i5-2400	Intel Core 2 Quad Q9400
PassMark - Single thread mark	1578	1139
PassMark - CPU mark	3871	2150
Geekbench 4 - Single Core	665	376
Geekbench 4 - Multi-Core	2147	1151
3DMark Fire Strike - Physics Score	2247	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.995	0.574
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	9.378	26.509
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.364	0.136
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.721	0.094
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.139	4.189

Compare specifications (specs)

	Intel Core i5-2400	Intel Core 2 Quad Q9400
Essentials
Architecture codename	Sandy Bridge	Yorkfield
Launch date	January 2011	August 2008
Launch price (MSRP)	$60
Place in performance rating	2631	3130
Price now	$83.99	$33.98
Processor Number	i5-2400	Q9400
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Value for money (0-100)	20.89	28.99
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.10 GHz	2.66 GHz
Bus Speed	5 GT/s DMI	1333 MHz FSB
Die size	216 mm	164 mm2
L1 cache	64 KB (per core)	256 KB
L2 cache	256 KB (per core)	6144 KB
L3 cache	6144 KB (shared)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	72.6°C	71.4°C
Maximum frequency	3.40 GHz	2.67 GHz
Number of cores	4	4
Number of threads	4
Transistor count	1160 million	456 million
Maximum case temperature (TCase)		71 °C
VID voltage range		0.8500V-1.3625V
Memory
Max memory channels	2
Maximum memory bandwidth	21 GB/s
Maximum memory size	32 GB
Supported memory types	DDR3 1066/1333	DDR1, DDR2, DDR3
Graphics
Device ID	0x102
Graphics base frequency	850 MHz
Graphics max dynamic frequency	1.10 GHz
Graphics max frequency	1.1 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel® HD Graphics 2000
Graphics interfaces
Number of displays supported	2
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	LGA1155	LGA775
Thermal Design Power (TDP)	95 Watt	95 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
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)