i7-3520M vs i7-4820K

VS

Aggregate performance score

Core i7-4820K
2013
4 cores / 8 threads, 130 Watt
4.08
+127%
Core i7-3520M
2012
2 cores / 4 threads, 35 Watt
1.80

Core i7-4820K outperforms Core i7-3520M by a whopping 127% based on our aggregate benchmark results.

Primary details

Comparing Core i7-4820K and Core i7-3520M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14092017
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.53no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i7
Power efficiency2.974.87
Architecture codenameIvy Bridge-E (2013)Ivy Bridge (2012−2013)
Release date1 September 2013 (11 years ago)3 June 2012 (12 years ago)
Launch price (MSRP)$399$346

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-4820K and Core i7-3520M 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)2 (Dual-core)
Threads84
Base clock speed3.7 GHz2.9 GHz
Boost clock speed3.9 GHz3.6 GHz
Bus rate5 GT/s5 GT/s
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache10 MB (shared)4 MB (shared)
Chip lithography22 nm22 nm
Die size257 mm2118 mm2
Maximum core temperature67 °C105 °C
Number of transistors1,860 millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-4820K and Core i7-3520M 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
SocketFCLGA2011FCBGA1023,FCPGA988
Power consumption (TDP)130 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4820K and Core i7-3520M. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVXIntel® AVX
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
My WiFino data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Smart Response+no data
Demand Based Switching--
FDIno data+
Fast Memory Accessno data+

Security technologies

Core i7-4820K and Core i7-3520M technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
Identity Protection++
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4820K and Core i7-3520M are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4820K and Core i7-3520M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size64 GB32 GB
Max memory channels42
Maximum memory bandwidth59.7 GB/s25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics 4000
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.25 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i7-4820K and Core i7-3520M integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Core i7-4820K and Core i7-3520M.

PCIe version3.03.0
PCI Express lanes4016

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.

i7-4820K 4.08
+127%
i7-3520M 1.80

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.

i7-4820K 6482
+126%
i7-3520M 2867

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.

i7-4820K 667
+16.2%
i7-3520M 574

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.

i7-4820K 2491
+113%
i7-3520M 1168

Gaming performance

Pros & cons summary


Performance score 4.08 1.80
Recency 1 September 2013 3 June 2012
Physical cores 4 2
Threads 8 4
Power consumption (TDP) 130 Watt 35 Watt

i7-4820K has a 126.7% higher aggregate performance score, an age advantage of 1 year, and 100% more physical cores and 100% more threads.

i7-3520M, on the other hand, has 271.4% lower power consumption.

The Core i7-4820K is our recommended choice as it beats the Core i7-3520M in performance tests.

Note that Core i7-4820K is a desktop processor while Core i7-3520M is a notebook one.


Should you still have questions on choice between Core i7-4820K and Core i7-3520M, ask them in Comments section, and we shall answer.

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Intel Core i7-4820K
Core i7-4820K
Intel Core i7-3520M
Core i7-3520M

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Community ratings

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Questions & comments

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