Intel Core i3-5157U vs Intel Core 2 Quad Q9400

Comparative analysis of Intel Core i3-5157U and Intel Core 2 Quad Q9400 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, 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 i3-5157U

Intel Core 2 Quad Q9400

Differences

Reasons to consider the Intel Core i3-5157U

CPU is newer: launch date 6 year(s) 5 month(s) later
Around 47% higher maximum core temperature: 105°C vs 71.4°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
3.4x lower typical power consumption: 28 Watt vs 95 Watt
Around 22% better performance in PassMark - Single thread mark: 1392 vs 1139
Around 21% better performance in PassMark - CPU mark: 2593 vs 2150
Around 45% better performance in Geekbench 4 - Single Core: 544 vs 376
Around 10% better performance in Geekbench 4 - Multi-Core: 1271 vs 1151

Specifications (specs)
Launch date	6 January 2015 vs August 2008
Maximum core temperature	105°C vs 71.4°C
Manufacturing process technology	14 nm vs 45 nm
Thermal Design Power (TDP)	28 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	1392 vs 1139
PassMark - CPU mark	2593 vs 2150
Geekbench 4 - Single Core	544 vs 376
Geekbench 4 - Multi-Core	1271 vs 1151

Reasons to consider the Intel Core 2 Quad Q9400

2 more cores, run more applications at once: 4 vs 2
Around 7% higher clock speed: 2.67 GHz vs 2.5 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
12x more L2 cache, more data can be stored in the L2 cache for quick access later

Number of cores	4 vs 2
Maximum frequency	2.67 GHz vs 2.5 GHz
L1 cache	256 KB vs 128 KB
L2 cache	6144 KB vs 512 KB

Compare benchmarks

CPU 1: Intel Core i3-5157U
CPU 2: Intel Core 2 Quad Q9400

PassMark - Single thread mark

CPU 1

CPU 2

1392

1139

PassMark - CPU mark

CPU 1

CPU 2

2593

2150

Geekbench 4 - Single Core

CPU 1

CPU 2

544

376

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1271

1151

Name	Intel Core i3-5157U	Intel Core 2 Quad Q9400
PassMark - Single thread mark	1392	1139
PassMark - CPU mark	2593	2150
Geekbench 4 - Single Core	544	376
Geekbench 4 - Multi-Core	1271	1151
3DMark Fire Strike - Physics Score		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 i3-5157U	Intel Core 2 Quad Q9400
Essentials
Architecture codename	Broadwell	Yorkfield
Launch date	6 January 2015	August 2008
Launch price (MSRP)	$315
Place in performance rating	2252	3130
Processor Number	i3-5157U	Q9400
Series	5th Generation Intel® Core™ i3 Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Mobile	Desktop
Price now		$33.98
Value for money (0-100)		28.99
Performance
64 bit support
Base frequency	2.50 GHz	2.66 GHz
Bus Speed	5 GT/s DMI2	1333 MHz FSB
Die size	133 mm	164 mm2
L1 cache	128 KB	256 KB
L2 cache	512 KB	6144 KB
L3 cache	3 MB
Manufacturing process technology	14 nm	45 nm
Maximum case temperature (TCase)	105 °C	71 °C
Maximum core temperature	105°C	71.4°C
Maximum frequency	2.5 GHz	2.67 GHz
Number of cores	2	4
Number of threads	4
Transistor count	1900 Million	456 million
VID voltage range		0.8500V-1.3625V
Memory
Max memory channels	2
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	16 GB
Supported memory types	DDR3L 1333/1600, LPDDR3 1600/1866	DDR1, DDR2, DDR3
Graphics
Device ID	0x162B
Graphics base frequency	300 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
Max video memory	16 GB
Processor graphics	Intel® Iris® Graphics 6100
Graphics interfaces
DisplayPort
eDP
HDMI
Number of displays supported	3
Wireless Display (WiDi) support
Graphics image quality
Max resolution over DisplayPort	3840x2160@60Hz
Max resolution over HDMI 1.4	2560x1600@60Hz
Max resolution over VGA	N / A
Graphics API support
DirectX	11.2/12
OpenGL	4.3
Compatibility
Configurable TDP-down	23 W
Configurable TDP-down Frequency	600 MHz
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	40mm x24mm x 1.3mm	37.5mm x 37.5mm
Sockets supported	FCBGA1168	LGA775
Thermal Design Power (TDP)	28 Watt	95 Watt
Peripherals
Max number of PCIe lanes	12
PCI Express revision	2.0
PCIe configurations	4x1, 2x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key 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® AVX2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Smart Response technology
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
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)