A10-5800K vs i7-3820

VS

Aggregate performance score

Core i7-3820
2012
4 cores / 8 threads, 130 Watt
3.63
+95.2%
A10-5800K
2012
4 cores / 4 threads, 100 Watt
1.86

Core i7-3820 outperforms A10-5800K by an impressive 95% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3820 and A10-5800K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14901982
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.320.26
Market segmentDesktop processorDesktop processor
Seriesno dataAMD A-Series (Desktop)
Power efficiency2.641.76
Architecture codenameSandy Bridge-E (2011−2013)Trinity (2012−2013)
Release dateFebruary 2012 (12 years ago)2 October 2012 (12 years ago)
Launch price (MSRP)$400$122

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-3820 has 792% better value for money than A10-5800K.

Detailed specifications

Core i7-3820 and A10-5800K basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)4 (Quad-Core)
Threads84
Base clock speed3.6 GHz3.8 GHz
Boost clock speed3.8 GHz4.2 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)128 KB (per core)
L2 cache256 KB (per core)1 MB (per core)
L3 cache10240 KB (shared)0 KB
Chip lithography32 nm32 nm
Die size294 mm2246 mm2
Maximum case temperature (TCase)67 °C74 °C
Number of transistors1270 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Core i7-3820 and A10-5800K compatibility with other computer components: 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.

Number of CPUs in a configuration11
SocketFCLGA2011FM2
Power consumption (TDP)130 Watt100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3820 and A10-5800K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVXno data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Smart Response+no data
Demand Based Switching-no data

Security technologies

Core i7-3820 and A10-5800K technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Identity Protection+-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3820 and A10-5800K are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3820 and A10-5800K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size64.23 GBno data
Max memory channels4no data
Maximum memory bandwidth51.2 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon HD 7660D

Peripherals

Specifications and connection of peripherals supported by Core i7-3820 and A10-5800K.

PCIe version2.0no data
PCI Express lanes40no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark 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.

i7-3820 3.63
+95.2%
A10-5800K 1.86

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.

i7-3820 5769
+94.8%
A10-5800K 2961

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-3820 623
+38.4%
A10-5800K 450

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-3820 2296
+109%
A10-5800K 1099

3DMark Fire Strike Physics

i7-3820 6240
+60.4%
A10-5800K 3890

Gaming performance

Pros & cons summary


Performance score 3.63 1.86
Threads 8 4
Power consumption (TDP) 130 Watt 100 Watt

i7-3820 has a 95.2% higher aggregate performance score, and 100% more threads.

A10-5800K, on the other hand, has 30% lower power consumption.

The Core i7-3820 is our recommended choice as it beats the A10-5800K in performance tests.


Should you still have questions on choice between Core i7-3820 and A10-5800K, ask them in Comments section, and we shall answer.

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Intel Core i7-3820
Core i7-3820
AMD A10-5800K
A10-5800K

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

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