Intel Core i7-3820 processor review

Core i7-3820 processor released by Intel; release date: February 2012. At the time of release, the processor cost $400. The processor is designed for desktop-computers and based on Sandy Bridge E microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 4, threads - 8. Maximum CPU clock speed - 3.80 GHz. Maximum operating temperature - 66.8°C. Manufacturing process technology - 32 nm. Cache size: L1 - 64 KB (per core), L2 - 256 KB (per core), L3 - 10240 KB (shared).

Supported memory types: DDR3 1066/1333/1600. Maximum memory size: 64.23 GB.

Supported socket types: FCLGA2011. Maximum number of processors in a configuration - 1. Power consumption (TDP): 130 Watt.

Benchmarks

PassMark
Single thread mark

Top 1 CPU

This CPU

4867

1745

PassMark
CPU mark

Top 1 CPU

This CPU

157672

5765

Geekbench 4
Single Core

Top 1 CPU

This CPU

5311

756

Geekbench 4
Multi-Core

Top 1 CPU

This CPU

36691

3163

3DMark Fire Strike
Physics Score

Top 1 CPU

This CPU

36198

3318

CompuBench 1.5 Desktop
Face Detection

Top 1 CPU

This CPU

97.640 mPixels/s

4.665 mPixels/s

CompuBench 1.5 Desktop
Ocean Surface Simulation

Top 1 CPU

This CPU

741.453 Frames/s

84.218 Frames/s

CompuBench 1.5 Desktop
T-Rex

Top 1 CPU

This CPU

4.623 Frames/s

0.606 Frames/s

CompuBench 1.5 Desktop
Video Composition

Top 1 CPU

This CPU

49.002 Frames/s

2.267 Frames/s

CompuBench 1.5 Desktop
Bitcoin Mining

Top 1 CPU

This CPU

218.231 mHash/s

5.758 mHash/s

Name	Value
PassMark - Single thread mark	1745
PassMark - CPU mark	5765
Geekbench 4 - Single Core	756
Geekbench 4 - Multi-Core	3163
3DMark Fire Strike - Physics Score	3318
CompuBench 1.5 Desktop - Face Detection	4.665 mPixels/s
CompuBench 1.5 Desktop - Ocean Surface Simulation	84.218 Frames/s
CompuBench 1.5 Desktop - T-Rex	0.606 Frames/s
CompuBench 1.5 Desktop - Video Composition	2.267 Frames/s
CompuBench 1.5 Desktop - Bitcoin Mining	5.758 mHash/s

Specifications (specs)

Essentials
Architecture codename	Sandy Bridge E
Launch date	February 2012
Launch price (MSRP)	$400
Place in performance rating	2264
Price now	$199.99
Processor Number	i7-3820
Series	Intel® Core™ X-series Processors
Status	Discontinued
Value for money (0-100)	13.26
Vertical segment	Desktop
Performance
64 bit support
Base frequency	3.60 GHz
Bus Speed	5 GT/s DMI2
Die size	294 mm
L1 cache	64 KB (per core)
L2 cache	256 KB (per core)
L3 cache	10240 KB (shared)
Manufacturing process technology	32 nm
Maximum case temperature (TCase)	67 °C
Maximum core temperature	66.8°C
Maximum frequency	3.80 GHz
Number of cores	4
Number of threads	8
Transistor count	1270 million
VID voltage range	0.600V – 1.350V

Memory
Max memory channels	4
Maximum memory bandwidth	51.2 GB/s
Maximum memory size	64.23 GB
Supported memory types	DDR3 1066/1333/1600
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	52.5mm x 45.0mm
Sockets supported	FCLGA2011
Thermal Design Power (TDP)	130 Watt
Peripherals
Max number of PCIe lanes	40
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
Idle States
Instruction set extensions	Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Smart Response technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)