Intel Core i5-6600 vs Intel Core 2 Quad Q9400

Comparative analysis of Intel Core i5-6600 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

Intel Core i5-6600

Intel Core 2 Quad Q9400

Differences

Reasons to consider the Intel Core i5-6600

CPU is newer: launch date 6 year(s) 10 month(s) later
Around 46% higher clock speed: 3.90 GHz vs 2.67 GHz
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
Around 98% better performance in PassMark - Single thread mark: 2254 vs 1139
2.8x better performance in PassMark - CPU mark: 6057 vs 2150
2.6x better performance in Geekbench 4 - Single Core: 966 vs 376
2.8x better performance in Geekbench 4 - Multi-Core: 3168 vs 1151
6.9x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.986 vs 0.574
3x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 80.569 vs 26.509
3.5x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.474 vs 0.136
25.4x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 2.385 vs 0.094
Around 50% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 6.293 vs 4.189

Specifications (specs)
Launch date	July 2015 vs August 2008
Maximum frequency	3.90 GHz vs 2.67 GHz
Manufacturing process technology	14 nm vs 45 nm
Thermal Design Power (TDP)	65 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	2254 vs 1139
PassMark - CPU mark	6057 vs 2150
Geekbench 4 - Single Core	966 vs 376
Geekbench 4 - Multi-Core	3168 vs 1151
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.986 vs 0.574
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	80.569 vs 26.509
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.474 vs 0.136
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.385 vs 0.094
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	6.293 vs 4.189

Reasons to consider the Intel Core 2 Quad Q9400

Around 1% higher maximum core temperature: 71.4°C vs 71°C
6x more L2 cache, more data can be stored in the L2 cache for quick access later

Maximum core temperature	71.4°C vs 71°C
L2 cache	6144 KB vs 256 KB (per core)

Compare benchmarks

CPU 1: Intel Core i5-6600
CPU 2: Intel Core 2 Quad Q9400

PassMark - Single thread mark

CPU 1

CPU 2

2254

1139

PassMark - CPU mark

CPU 1

CPU 2

6057

2150

Geekbench 4 - Single Core

CPU 1

CPU 2

966

376

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3168

1151

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

3.986

0.574

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

CPU 1

CPU 2

80.569

26.509

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

CPU 1

CPU 2

0.474

0.136

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

2.385

0.094

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

6.293

4.189

Name	Intel Core i5-6600	Intel Core 2 Quad Q9400
PassMark - Single thread mark	2254	1139
PassMark - CPU mark	6057	2150
Geekbench 4 - Single Core	966	376
Geekbench 4 - Multi-Core	3168	1151
3DMark Fire Strike - Physics Score	3405	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.986	0.574
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	80.569	26.509
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.474	0.136
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.385	0.094
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	6.293	4.189
GFXBench 4.0 - Car Chase Offscreen (Frames)	1717
GFXBench 4.0 - Manhattan (Frames)	3511
GFXBench 4.0 - T-Rex (Frames)	6275
GFXBench 4.0 - Car Chase Offscreen (Fps)	1717
GFXBench 4.0 - Manhattan (Fps)	3511
GFXBench 4.0 - T-Rex (Fps)	6275

Compare specifications (specs)

	Intel Core i5-6600	Intel Core 2 Quad Q9400
Essentials
Architecture codename	Skylake	Yorkfield
Launch date	July 2015	August 2008
Launch price (MSRP)	$230
Place in performance rating	1252	3130
Price now	$219.99	$33.98
Processor Number	i5-6600	Q9400
Series	6th Generation Intel® Core™ i5 Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Value for money (0-100)	10.40	28.99
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.30 GHz	2.66 GHz
Bus Speed	8 GT/s DMI3	1333 MHz FSB
Die size	177 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	14 nm	45 nm
Maximum case temperature (TCase)	72 °C	71 °C
Maximum core temperature	71°C	71.4°C
Maximum frequency	3.90 GHz	2.67 GHz
Number of cores	4	4
Number of threads	4
Transistor count		456 million
VID voltage range		0.8500V-1.3625V
Memory
Max memory channels	2
Maximum memory bandwidth	34.1 GB/s
Maximum memory size	64 GB
Supported memory types	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V	DDR1, DDR2, DDR3
Graphics
Device ID	0x1912
Graphics base frequency	350 MHz
Graphics max dynamic frequency	1.15 GHz
Graphics max frequency	1.15 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® HD Graphics 530
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3
Wireless Display (WiDi) support
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2304@24Hz
Max resolution over VGA	N / A
Max resolution over WiDi	1080p
Graphics API support
DirectX	12
OpenGL	4.5
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	FCLGA1151	LGA775
Thermal Design Power (TDP)	65 Watt	95 Watt
Thermal Solution	PCG 2015C (65W)
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® Advanced Vector Extensions (AVX)
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)