Intel Core i5-6400 vs Intel Core i7-4790K

Comparative analysis of Intel Core i5-6400 and Intel Core i7-4790K 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 i5-6400

Intel Core i7-4790K

Differences

Reasons to consider the Intel Core i5-6400

CPU is newer: launch date 2 year(s) 1 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
2x more maximum memory size: 64 GB vs 32 GB
Around 35% lower typical power consumption: 65 Watt vs 88 Watt
Around 4% better performance in 3DMark Fire Strike - Physics Score: 2922 vs 2818
Around 4% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1336 vs 1279
Around 24% better performance in GFXBench 4.0 - T-Rex (Frames): 4275 vs 3454
Around 4% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1336 vs 1279
Around 24% better performance in GFXBench 4.0 - T-Rex (Fps): 4275 vs 3454

Specifications (specs)
Launch date	July 2015 vs 1 June 2013
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	64 GB vs 32 GB
Thermal Design Power (TDP)	65 Watt vs 88 Watt
Benchmarks
3DMark Fire Strike - Physics Score	2922 vs 2818
GFXBench 4.0 - Car Chase Offscreen (Frames)	1336 vs 1279
GFXBench 4.0 - T-Rex (Frames)	4275 vs 3454
GFXBench 4.0 - Car Chase Offscreen (Fps)	1336 vs 1279
GFXBench 4.0 - T-Rex (Fps)	4275 vs 3454

Reasons to consider the Intel Core i7-4790K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
4 more threads: 8 vs 4
Around 33% higher clock speed: 4.40 GHz vs 3.30 GHz
Around 4% higher maximum core temperature: 74.04°C vs 71°C
Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 26% better performance in PassMark - Single thread mark: 2466 vs 1953
Around 56% better performance in PassMark - CPU mark: 8069 vs 5171
Around 29% better performance in Geekbench 4 - Single Core: 1070 vs 831
Around 49% better performance in Geekbench 4 - Multi-Core: 3995 vs 2685
Around 82% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 5.95 vs 3.265
Around 44% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 100.106 vs 69.471
Around 70% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.695 vs 0.41
Around 40% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 2.814 vs 2.013
Around 33% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 7.147 vs 5.356
Around 9% better performance in GFXBench 4.0 - Manhattan (Frames): 2489 vs 2278
Around 9% better performance in GFXBench 4.0 - Manhattan (Fps): 2489 vs 2278

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of threads	8 vs 4
Maximum frequency	4.40 GHz vs 3.30 GHz
Maximum core temperature	74.04°C vs 71°C
L3 cache	8 MB vs 6144 KB (shared)
Benchmarks
PassMark - Single thread mark	2466 vs 1953
PassMark - CPU mark	8069 vs 5171
Geekbench 4 - Single Core	1070 vs 831
Geekbench 4 - Multi-Core	3995 vs 2685
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	5.95 vs 3.265
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	100.106 vs 69.471
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.695 vs 0.41
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.814 vs 2.013
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	7.147 vs 5.356
GFXBench 4.0 - Manhattan (Frames)	2489 vs 2278
GFXBench 4.0 - Manhattan (Fps)	2489 vs 2278

Compare benchmarks

CPU 1: Intel Core i5-6400
CPU 2: Intel Core i7-4790K

PassMark - Single thread mark

CPU 1

CPU 2

1953

2466

PassMark - CPU mark

CPU 1

CPU 2

5171

8069

Geekbench 4 - Single Core

CPU 1

CPU 2

831

1070

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2685

3995

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

2922

2818

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

3.265

5.95

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

CPU 1

CPU 2

69.471

100.106

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

CPU 1

CPU 2

0.41

0.695

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

2.013

2.814

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

5.356

7.147

GFXBench 4.0 - Car Chase Offscreen (Frames)

CPU 1

CPU 2

1336

1279

GFXBench 4.0 - Manhattan (Frames)

CPU 1

CPU 2

2278

2489

GFXBench 4.0 - T-Rex (Frames)

CPU 1

CPU 2

4275

3454

GFXBench 4.0 - Car Chase Offscreen (Fps)

CPU 1

CPU 2

1336

1279

GFXBench 4.0 - Manhattan (Fps)

CPU 1

CPU 2

2278

2489

GFXBench 4.0 - T-Rex (Fps)

CPU 1

CPU 2

4275

3454

Name	Intel Core i5-6400	Intel Core i7-4790K
PassMark - Single thread mark	1953	2466
PassMark - CPU mark	5171	8069
Geekbench 4 - Single Core	831	1070
Geekbench 4 - Multi-Core	2685	3995
3DMark Fire Strike - Physics Score	2922	2818
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.265	5.95
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	69.471	100.106
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.41	0.695
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.013	2.814
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.356	7.147
GFXBench 4.0 - Car Chase Offscreen (Frames)	1336	1279
GFXBench 4.0 - Manhattan (Frames)	2278	2489
GFXBench 4.0 - T-Rex (Frames)	4275	3454
GFXBench 4.0 - Car Chase Offscreen (Fps)	1336	1279
GFXBench 4.0 - Manhattan (Fps)	2278	2489
GFXBench 4.0 - T-Rex (Fps)	4275	3454

Compare specifications (specs)

	Intel Core i5-6400	Intel Core i7-4790K
Essentials
Architecture codename	Skylake	Devil's Canyon
Launch date	July 2015	1 June 2013
Launch price (MSRP)	$185	$339
Place in performance rating	1672	1529
Price now	$199	$306.99
Processor Number	i5-6400	i7-4790K
Series	6th Generation Intel® Core™ i5 Processors	4th Generation Intel® Core™ i7 Processors
Status	Launched	Discontinued
Value for money (0-100)	10.01	10.73
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.70 GHz	4.00 GHz
Bus Speed	8 GT/s DMI3	5 GT/s DMI2
Die size	177 mm	177 mm
L1 cache	64 KB (per core)	256 KB
L2 cache	256 KB (per core)	1 MB
L3 cache	6144 KB (shared)	8 MB
Manufacturing process technology	14 nm	22 nm
Maximum case temperature (TCase)	72 °C	72 °C
Maximum core temperature	71°C	74.04°C
Maximum frequency	3.30 GHz	4.40 GHz
Number of cores	4	4
Number of threads	4	8
Transistor count		1400 Million
Unlocked
Memory
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	25.6 GB/s
Maximum memory size	64 GB	32 GB
Supported memory types	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V	DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Graphics
Device ID	0x1912	0x412
Graphics base frequency	350 MHz	350 MHz
Graphics max dynamic frequency	950 MHz	1.25 GHz
Graphics max frequency	950 MHz	1.25 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	64 GB	2 GB
Processor graphics	Intel® HD Graphics 530	Intel® HD Graphics 4600
Execution Units		20
Intel® Flexible Display Interface (Intel® FDI)
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3	3
Wireless Display (WiDi) support
VGA
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz	3840x2160@60Hz
Max resolution over eDP	4096x2304@60Hz	3840x2160@60Hz
Max resolution over HDMI 1.4	4096x2304@24Hz	3840x2160@24Hz
Max resolution over VGA	N / A	1920x1200@60Hz
Max resolution over WiDi	1080p
Graphics API support
DirectX	12	11.2/12
OpenGL	4.5	4.3
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	FCLGA1150
Thermal Design Power (TDP)	65 Watt	88 Watt
Thermal Solution	PCG 2015C (65W)	PCG 2013D
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	3.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4	Up to 1x16, 2x8, 1x8+2x4
Scalability	1S Only	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
Anti-Theft technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	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
Flexible Display interface (FDI)
Intel® My WiFi technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)