Intel Core i7-4820K processor review

Intel Core i7-4820K

Core i7-4820K processor released by Intel; release date: September 2013. At the time of release, the processor cost $399. The processor is designed for desktop-computers and based on Ivy Bridge E microarchitecture.

CPU is unlocked for overclocking. Total number of cores - 4, threads - 8. Maximum CPU clock speed - 3.90 GHz. Maximum operating temperature - 66.8°C. Manufacturing process technology - 22 nm. Cache size: L1 - 64 KB (per core), L2 - 256 KB (per core), L3 - 10240 KB (shared).

Supported memory types: DDR3 1333/1600/1866. Maximum memory size: 64 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
4870
1957
PassMark
CPU mark
Top 1 CPU
This CPU
156834
6482
Geekbench 4
Single Core
Top 1 CPU
This CPU
5311
848
Geekbench 4
Multi-Core
Top 1 CPU
This CPU
36691
3531
3DMark Fire Strike
Physics Score
Top 1 CPU
This CPU
25463
3874
CompuBench 1.5 Desktop
Face Detection
Top 1 CPU
This CPU
97.640 mPixels/s
5.079 mPixels/s
CompuBench 1.5 Desktop
Ocean Surface Simulation
Top 1 CPU
This CPU
741.453 Frames/s
94.620 Frames/s
CompuBench 1.5 Desktop
T-Rex
Top 1 CPU
This CPU
4.623 Frames/s
0.648 Frames/s
CompuBench 1.5 Desktop
Video Composition
Top 1 CPU
This CPU
49.002 Frames/s
0.812 Frames/s
CompuBench 1.5 Desktop
Bitcoin Mining
Top 1 CPU
This CPU
218.231 mHash/s
6.745 mHash/s
Name Value
PassMark - Single thread mark 1957
PassMark - CPU mark 6482
Geekbench 4 - Single Core 848
Geekbench 4 - Multi-Core 3531
3DMark Fire Strike - Physics Score 3874
CompuBench 1.5 Desktop - Face Detection 5.079 mPixels/s
CompuBench 1.5 Desktop - Ocean Surface Simulation 94.620 Frames/s
CompuBench 1.5 Desktop - T-Rex 0.648 Frames/s
CompuBench 1.5 Desktop - Video Composition 0.812 Frames/s
CompuBench 1.5 Desktop - Bitcoin Mining 6.745 mHash/s

Specifications (specs)

Essentials

Architecture codename Ivy Bridge E
Launch date September 2013
Launch price (MSRP) $399
Place in performance rating 2119
Price now $594.96
Processor Number i7-4820K
Series Intel® Core™ X-series Processors
Status Discontinued
Value for money (0-100) 4.81
Vertical segment Desktop

Performance

64 bit support
Base frequency 3.70 GHz
Bus Speed 5 GT/s DMI2
Die size 257 mm
L1 cache 64 KB (per core)
L2 cache 256 KB (per core)
L3 cache 10240 KB (shared)
Manufacturing process technology 22 nm
Maximum core temperature 66.8°C
Maximum frequency 3.90 GHz
Number of cores 4
Number of threads 8
Transistor count 1860 million
Unlocked

Memory

Max memory channels 4
Maximum memory bandwidth 59.7 GB/s
Maximum memory size 64 GB
Supported memory types DDR3 1333/1600/1866

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 3.0

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)