i7-3770S vs i7-3820

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Aggregate performance score

Core i7-3820
2012
4 cores / 8 threads, 130 Watt
3.63
Core i7-3770S
2012
4 cores / 8 threads, 65 Watt
3.89
+7.2%

Core i7-3770S outperforms Core i7-3820 by a small 7% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3820 and Core i7-3770S processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking15021456
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.320.58
Market segmentDesktop processorDesktop processor
Power efficiency2.645.66
Architecture codenameSandy Bridge-E (2011−2013)Ivy Bridge (2012−2013)
Release dateFebruary 2012 (12 years ago)29 April 2012 (12 years ago)
Launch price (MSRP)$400$330

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-3820 has 300% better value for money than i7-3770S.

Detailed specifications

Core i7-3820 and Core i7-3770S 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)
Threads88
Base clock speed3.6 GHz3.1 GHz
Boost clock speed3.8 GHz3.9 GHz
Bus rate5 GT/s5 GT/s
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)256 KB (per core)
L3 cache10240 KB (shared)8192 KB (shared)
Chip lithography32 nm22 nm
Die size294 mm2160 mm2
Maximum case temperature (TCase)67 °C69 °C
Number of transistors1270 million1,400 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-3820 and Core i7-3770S 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
SocketFCLGA2011FCLGA1155
Power consumption (TDP)130 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3820 and Core i7-3770S. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Smart Response+no data
Demand Based Switching-no data
FDIno data+

Security technologies

Core i7-3820 and Core i7-3770S 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 i7-3820 and Core i7-3770S are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3820 and Core i7-3770S. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size64.23 GB32 GB
Max memory channels42
Maximum memory bandwidth51.2 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 data1.15 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i7-3820 and Core i7-3770S integrated GPUs.

Number of displays supportedno data3

Peripherals

Specifications and connection of peripherals supported by Core i7-3820 and Core i7-3770S.

PCIe version2.03.0
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
i7-3770S 3.89
+7.2%

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 5773
i7-3770S 6182
+7.1%

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 622
i7-3770S 658
+5.8%

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 2289
+2.5%
i7-3770S 2234

3DMark Fire Strike Physics

i7-3820 6240
i7-3770S 7470
+19.7%

Gaming performance

Pros & cons summary


Performance score 3.63 3.89
Chip lithography 32 nm 22 nm
Power consumption (TDP) 130 Watt 65 Watt

i7-3770S has a 7.2% higher aggregate performance score, a 45.5% more advanced lithography process, and 100% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i7-3820 and Core i7-3770S.


Should you still have questions on choice between Core i7-3820 and Core i7-3770S, ask them in Comments section, and we shall answer.

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Intel Core i7-3820
Core i7-3820
Intel Core i7-3770S
Core i7-3770S

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Community ratings

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


3.7 326 votes

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Questions & comments

Here you can ask a question about Core i7-3820 or Core i7-3770S, agree or disagree with our judgements, or report an error or mismatch.