i7-3770 vs i9-7940X

Aggregate performance score

Core i9-7940X
2017
14 cores / 28 threads, 165 Watt
16.95
+305%

Core i9-7940X outperforms Core i7-3770 by a whopping 305% based on our aggregate benchmark results.

Primary details

Comparing Core i9-7940X and Core i7-3770 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4001402
Place by popularitynot in top-10020
Cost-effectiveness evaluation3.010.62
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9no data
Power efficiency9.374.96
Architecture codenameSkylake (server) (2017−2019)Ivy Bridge (2012−2013)
Release date30 May 2017 (7 years ago)29 April 2012 (12 years ago)
Launch price (MSRP)$1,399$294

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-7940X has 385% better value for money than i7-3770.

Detailed specifications

Core i9-7940X and Core i7-3770 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 cores14 (Tetradeca-Core)4 (Quad-Core)
Threads288
Base clock speed3.1 GHz3.4 GHz
Boost clock speed4.4 GHz3.9 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s5 GT/s
L1 cache896 KB64 KB (per core)
L2 cache14 MB256 KB (per core)
L3 cache19.25 MB (shared)8 MB (shared)
Chip lithography14 nm22 nm
Die size484 mm2160 mm2
Maximum core temperature102 °C105 °C
Maximum case temperature (TCase)no data67 °C
Number of transistorsno data1,400 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i9-7940X and Core i7-3770 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 configuration1 (Uniprocessor)1
SocketFCLGA2066FCLGA1155
Power consumption (TDP)165 Watt77 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7940X and Core i7-3770. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0+no data
FDIno data+

Security technologies

Core i9-7940X and Core i7-3770 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7940X and Core i7-3770 are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7940X and Core i7-3770. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR3
Maximum memory size128 GB32 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel 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 i9-7940X and Core i7-3770 integrated GPUs.

Number of displays supportedno data3

Peripherals

Specifications and connection of peripherals supported by Core i9-7940X and Core i7-3770.

PCIe version3.03.0
PCI Express lanes44no 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.

i9-7940X 16.95
+305%
i7-3770 4.19

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.

i9-7940X 25945
+305%
i7-3770 6412

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.

i9-7940X 1461
+117%
i7-3770 673

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.

i9-7940X 10643
+360%
i7-3770 2314

Gaming performance

Pros & cons summary


Performance score 16.95 4.19
Recency 30 May 2017 29 April 2012
Physical cores 14 4
Threads 28 8
Chip lithography 14 nm 22 nm
Power consumption (TDP) 165 Watt 77 Watt

i9-7940X has a 304.5% higher aggregate performance score, an age advantage of 5 years, 250% more physical cores and 250% more threads, and a 57.1% more advanced lithography process.

i7-3770, on the other hand, has 114.3% lower power consumption.

The Core i9-7940X is our recommended choice as it beats the Core i7-3770 in performance tests.


Should you still have questions on choice between Core i9-7940X and Core i7-3770, ask them in Comments section, and we shall answer.

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Intel Core i9-7940X
Core i9-7940X
Intel Core i7-3770
Core i7-3770

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Community ratings

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Questions & comments

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