Intel Core i7-4820K: specs and benchmarks

Intel Core i7-4820K

Summary

Intel started Intel Core i7-4820K sales 1 September 2013 at a recommended price of $399. This is Ivy Bridge E architecture desktop processor primarily aimed at office systems. It has 4 cores and 8 threads, and is based on 22 nm manufacturing technology, with a max turbo frequency of 3900 MHz and an unlocked multiplier.

Compatibility-wise, this is FCLGA2011 processor with a TDP of 130 Watt. It supports DDR3-1333, DDR3-1600, DDR3-1866 memory.

It provides poor benchmark performance at 7.46 percent of a leader's which is AMD EPYC 7763.

General info

Of Core i7-4820K processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in our rating
 
Value for money (0-100)
13.83
 
Market segment
Desktop processor
 
Architecture codename
Ivy Bridge E
 
Launch date
1 September 2013 (7 years ago)
 
Launch price (MSRP)
$399
 
Price now
$85
 

Technical specs

Basic processor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores
4
 
Threads
8
 
Base clock speed
3.7 GHz
 
of 4.7 (FX-9590)
Boost clock speed
3.9 GHz
 
L1 cache
64 KB (per core)
 
of 896 (Atom C3950)
L2 cache
256 KB (per core)
 
L3 cache
10 MB (shared)
 
Chip lithography
22 nm
 
of 5 (Apple M1)
Die size
257 mm2
 
Maximum core temperature
67 °C
 
of 110 (Atom x7-E3950)
Transistor count
1,860 million
 
of 16000 (Apple M1)
64 bit support
+
 
Unlocked multiplier
+
 

Compatibility

Information on Core i7-4820K compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one.

Number of CPUs in a configuration
1
 
Socket
FCLGA2011
 
Thermal design power (TDP)
130 Watt
 

Technologies and extensions

Technological capabilities and additional instructions supported by Core i7-4820K. You'll probably need this information if you require some particular technology.

Instruction set extensions
Intel® SSE4.2, Intel® AVX
 
AES-NI
+
 
AVX
+
 
vPro
-
 
Enhanced SpeedStep (EIST)
+
 
Turbo Boost Technology
2.0
 
Hyper-Threading Technology
+
 
Idle States
+
 
Thermal Monitoring
+
 
Smart Response
+
 
Demand Based Switching
-
 

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.

TXT
-
 
EDB
+
 
Identity Protection
+
 

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

VT-d
+
 
VT-x
+
 
EPT
+
 

Memory specs

Types, maximum amount and channel number of RAM supported by Core i7-4820K's memory controller.

Supported memory types
DDR3-1333, DDR3-1600, DDR3-1866
 
of 4266 (Ryzen 9 4900H)
Maximum memory size
64 GB
 
Max memory channels
4
 
Maximum memory bandwidth
59.7 GB/s
 

Peripherals

Specifications and connection types of supported peripherals.

PCIe revision
3.0
 
Max number of PCIe lanes
40
 
of 128 (EPYC 7551P)

Benchmark performance

Single-core and multi-core benchmark results of Core i7-4820K. Overall benchmark performance is measured in points in 0-100 range, higher is better.

Overall score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

7.46

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different tests, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario.

6544

3DMark Fire Strike Physics

9210

Mining hashrates

Cryptocurrency mining performance of Core i7-4820K. Usually measured in megahashes per second.

Bitcoin / BTC (SHA256)
6.7 Mh/s
 
 

Game benchmarks

Let's see how good Core i7-4820K is for a gaming PC, compared with system requirements of some popular titles. Remember that sometimes official hardware requirements may reflect real performance inaccurately.

AMD equivalent

We believe that the nearest equivalent to Core i7-4820K from AMD is FX-8120, which is faster by 1% and higher by 5 positions in our rating.

User rating

Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.

Advices and comments

Here you can ask a question about Core i7-4820K, agree or disagree with our judgements, or report an error or mismatch.