Intel Core i7-3820: specs and benchmarks
Summary
Intel started Intel Core i7-3820 sales on February 2012 at a recommended price of $400. This is Sandy Bridge E architecture desktop processor primarily aimed at office systems. It has 4 cores and 8 threads, and is based on 32 nm manufacturing technology, with a maximum frequency of 3800 MHz and a locked multiplier.
Compatibility-wise, this is FCLGA2011 processor with a TDP of 130 Watt and a maximum temperature of 67 °C. It supports DDR3-1066, DDR3-1333, DDR3-1600 memory.
It provides poor benchmark performance at 6.60 percent of a leader's which is AMD EPYC 7763.
General info
Of Core i7-3820 processor market type (desktop or notebook), architecture, sales start time and pricing.
Technical specs
Basic microprocessor 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.
Compatibility
Information on Core i7-3820 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. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
Technologies and extensions
Technological capabilities and additional instructions supported by Core i7-3820. You'll probably need this information if you require some particular technology.
Security technologies
Processor technologies aimed at improving security, for example, by protecting against hacks.
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
Memory specs
Types, maximum amount and channel number of RAM supported by Core i7-3820's memory controller. Depending on the motherboard, higher memory frequency may be supported.
Peripherals
Specifications and connection types of supported peripherals.
Benchmark performance
Single-core and multi-core benchmark results of Core i7-3820. 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.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
3DMark Fire Strike Physics
Mining hashrates
Cryptocurrency mining performance of Core i7-3820. Usually measured in megahashes per second.
Game benchmarks
Let's see how good Core i7-3820 is for a gaming PC, compared with system requirements of some popular titles. Remember that sometimes official hardware requirements may reflect real performance inaccurately.
This processor matches 99% minimum and 92% recommended requirements of all games known to us.
Relative perfomance
Overall Core i7-3820 performance compared to nearest competitors among desktop CPUs.
AMD equivalent
We believe that the nearest equivalent to Core i7-3820 from AMD is Phenom II X6 1100T BE, which is slower by 1% and lower by 6 positions in our rating.
Here are some closest AMD rivals to Core i7-3820:
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.