Pentium G620 vs i7-3770K

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Aggregate performance score

Core i7-3770K
2012
4 cores / 8 threads, 77 Watt
4.07
+436%
Pentium G620
2011
2 cores / 2 threads, 65 Watt
0.76

Core i7-3770K outperforms Pentium G620 by a whopping 436% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3770K and Pentium G620 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14112658
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.717.43
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7 (Desktop)no data
Power efficiency5.001.11
Architecture codenameIvy Bridge (2012−2013)Sandy Bridge (2011−2013)
Release date29 April 2012 (12 years ago)22 May 2011 (13 years ago)
Launch price (MSRP)$294$60

Cost-effectiveness evaluation

Performance per price, higher is better.

Pentium G620 has 946% better value for money than i7-3770K.

Detailed specifications

Core i7-3770K and Pentium G620 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)
Threads82
Base clock speed3.5 GHz2.6 GHz
Boost clock speed3.9 GHz2.6 GHz
Bus typeDMIno data
Bus rate5 GT/sno data
Multiplier35no data
L1 cache64 KB (per core)64 KB (per core)
L2 cache1 MB256 KB (per core)
L3 cache8 MB (shared)3 MB (shared)
Chip lithography22 nm32 nm
Die size160 mm2131 mm2
Maximum core temperature67 °C69 °C
Maximum case temperature (TCase)67 °Cno data
Number of transistors0 Million504 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-3770K and Pentium G620 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
SocketFCLGA1155FCLGA1155
Power consumption (TDP)77 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3770K and Pentium G620. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXIntel® SSE4.1, Intel® SSE4.2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
FDI++
Fast Memory Accessno data+

Security technologies

Core i7-3770K and Pentium G620 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Key+no data
Identity Protection+-
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3770K and Pentium G620 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3770K and Pentium G620. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32 GB32 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s17 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 4000Intel HD Graphics for 2nd Generation Intel Processors
Quick Sync Video+-
Clear Video HD+-
Graphics max frequency1.15 GHz1.1 GHz
InTru 3D+-

Graphics interfaces

Available interfaces and connections of Core i7-3770K and Pentium G620 integrated GPUs.

Number of displays supported32

Peripherals

Specifications and connection of peripherals supported by Core i7-3770K and Pentium G620.

PCIe version3.02.0
PCI Express lanes16no 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.

i7-3770K 4.07
+436%
Pentium G620 0.76

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.

i7-3770K 6472
+436%
Pentium G620 1208

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.

i7-3770K 712
+82.6%
Pentium G620 390

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.

i7-3770K 2500
+272%
Pentium G620 672

Gaming performance

Pros & cons summary


Performance score 4.07 0.76
Integrated graphics card 1.18 0.77
Recency 29 April 2012 22 May 2011
Physical cores 4 2
Threads 8 2
Chip lithography 22 nm 32 nm
Power consumption (TDP) 77 Watt 65 Watt

i7-3770K has a 435.5% higher aggregate performance score, 53.2% faster integrated GPU, an age advantage of 11 months, 100% more physical cores and 300% more threads, and a 45.5% more advanced lithography process.

Pentium G620, on the other hand, has 18.5% lower power consumption.

The Core i7-3770K is our recommended choice as it beats the Pentium G620 in performance tests.


Should you still have questions on choice between Core i7-3770K and Pentium G620, ask them in Comments section, and we shall answer.

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Intel Core i7-3770K
Core i7-3770K
Intel Pentium G620
Pentium G620

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Community ratings

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Questions & comments

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