Intel Core i5-3570K vs Intel Core i7-3820

Comparative analysis of Intel Core i5-3570K and Intel Core i7-3820 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), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Core i5-3570K

Intel Core i7-3820

Differences

Reasons to consider the Intel Core i5-3570K

CPU is newer: launch date 2 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 1% higher maximum core temperature: 67.4°C vs 66.8°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
Around 69% lower typical power consumption: 77 Watt vs 130 Watt
Around 17% better performance in PassMark - Single thread mark: 2047 vs 1746
Around 12% better performance in Geekbench 4 - Single Core: 850 vs 756
Around 1% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 5.836 vs 5.758

Specifications (specs)
Launch date	8 April 2012 vs February 2012
Unlocked	Unlocked vs Locked
Maximum core temperature	67.4°C vs 66.8°C
Manufacturing process technology	22 nm vs 32 nm
Thermal Design Power (TDP)	77 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	2047 vs 1746
Geekbench 4 - Single Core	850 vs 756
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.836 vs 5.758

Reasons to consider the Intel Core i7-3820

4 more threads: 8 vs 4
Around 67% more L3 cache; more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 64.23 GB vs 32 GB
Around 16% better performance in PassMark - CPU mark: 5773 vs 4956
Around 11% better performance in Geekbench 4 - Multi-Core: 3163 vs 2851
Around 91% better performance in 3DMark Fire Strike - Physics Score: 3318 vs 1740
Around 35% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.665 vs 3.46
8x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 84.218 vs 10.487
Around 44% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.606 vs 0.421
Around 17% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 2.267 vs 1.944

Specifications (specs)
Number of threads	8 vs 4
L3 cache	10240 KB (shared) vs 6144 KB
Maximum memory size	64.23 GB vs 32 GB
Benchmarks
PassMark - CPU mark	5773 vs 4956
Geekbench 4 - Multi-Core	3163 vs 2851
3DMark Fire Strike - Physics Score	3318 vs 1740
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.665 vs 3.46
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	84.218 vs 10.487
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.606 vs 0.421
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.267 vs 1.944

Compare benchmarks

CPU 1: Intel Core i5-3570K
CPU 2: Intel Core i7-3820

PassMark - Single thread mark

CPU 1

CPU 2

2047

1746

PassMark - CPU mark

CPU 1

CPU 2

4956

5773

Geekbench 4 - Single Core

CPU 1

CPU 2

850

756

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2851

3163

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

1740

3318

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

3.46

4.665

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

CPU 1

CPU 2

10.487

84.218

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

CPU 1

CPU 2

0.421

0.606

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.944

2.267

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

5.836

5.758

Name	Intel Core i5-3570K	Intel Core i7-3820
PassMark - Single thread mark	2047	1746
PassMark - CPU mark	4956	5773
Geekbench 4 - Single Core	850	756
Geekbench 4 - Multi-Core	2851	3163
3DMark Fire Strike - Physics Score	1740	3318
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.46	4.665
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	10.487	84.218
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.421	0.606
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.944	2.267
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.836	5.758
GFXBench 4.0 - T-Rex (Frames)	2421
GFXBench 4.0 - T-Rex (Fps)	2421

Compare specifications (specs)

	Intel Core i5-3570K	Intel Core i7-3820
Essentials
Architecture codename	Ivy Bridge	Sandy Bridge E
Launch date	8 April 2012	February 2012
Launch price (MSRP)	$235	$400
Place in performance rating	2233	2234
Price now	$143.99	$199.99
Processor Number	i5-3570K	i7-3820
Series	Legacy Intel® Core™ Processors	Intel® Core™ X-series Processors
Status	Discontinued	Discontinued
Value for money (0-100)	14.67	13.26
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.40 GHz	3.60 GHz
Bus Speed	5 GT/s DMI	5 GT/s DMI2
Die size	160 mm	294 mm
L1 cache	256 KB	64 KB (per core)
L2 cache	1024 KB	256 KB (per core)
L3 cache	6144 KB	10240 KB (shared)
Manufacturing process technology	22 nm	32 nm
Maximum case temperature (TCase)	67 °C	67 °C
Maximum core temperature	67.4°C	66.8°C
Maximum frequency	3.80 GHz	3.80 GHz
Number of cores	4	4
Number of threads	4	8
Transistor count	1400 Million	1270 million
Unlocked
VID voltage range		0.600V – 1.350V
Memory
Max memory channels	2	4
Maximum memory bandwidth	25.6 GB/s	51.2 GB/s
Maximum memory size	32 GB	64.23 GB
Supported memory types	DDR3 1333/1600	DDR3 1066/1333/1600
Graphics
Device ID	0x152
Graphics base frequency	650 MHz
Graphics max dynamic frequency	1.15 GHz
Graphics max frequency	1.15 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 4000
Graphics interfaces
Number of displays supported	3
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	52.5mm x 45.0mm
Sockets supported	FCLGA1155	FCLGA2011
Thermal Design Power (TDP)	77 Watt	130 Watt
Thermal Solution	2011D
Peripherals
PCI Express revision	3.0	2.0
PCIe configurations	up to 1x16, 2x8, 1x8 & 2x4
Max number of PCIe lanes		40
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
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® AVX	Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Demand Based Switching
Intel® Smart Response technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)