i7-940XM vs i9-7980XE

Aggregate performance score

Core i9-7980XE
2017
18 cores / 36 threads, 165 Watt
19.66
+1265%

Core i9-7980XE outperforms Core i7-940XM by a whopping 1265% based on our aggregate benchmark results.

Primary details

Comparing Core i9-7980XE and Core i7-940XM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3062210
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.76no data
Market segmentDesktop processorLaptop
SeriesIntel Core i9Intel Core i7
Power efficiency10.862.39
Architecture codenameSkylake (server) (2017−2019)Clarksfield (2009−2010)
Release date30 May 2017 (7 years ago)20 June 2010 (14 years ago)
Launch price (MSRP)$1,999$1,096

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-7980XE and Core i7-940XM 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 cores18 (Octadeca-Core)4 (Quad-Core)
Threads368
Base clock speed2.6 GHz2.13 GHz
Boost clock speed4.4 GHz3.33 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s2500 MHz
L1 cache1.125 MB64 KB (per core)
L2 cache18 MB256 KB (per core)
L3 cache24.75 MB (shared)8 MB (shared)
Chip lithography14 nm45 nm
Die size484 mm2296 mm2
Maximum core temperature94 °C100 °C
Number of transistorsno data774 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier++

Compatibility

Information on Core i9-7980XE and Core i7-940XM 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
SocketFCLGA2066FCPGA988,PGA988
Power consumption (TDP)165 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7980XE and Core i7-940XM. 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® SSE4.2
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0+
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data-
PAEno data36 Bit
Turbo Boost Max 3.0+no data

Security technologies

Core i9-7980XE and Core i7-940XM technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7980XE and Core i7-940XM are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7980XE and Core i7-940XM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR3-1066, DDR3-1333
Maximum memory size128 GB8 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s21 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/ANone

Peripherals

Specifications and connection of peripherals supported by Core i9-7980XE and Core i7-940XM.

PCIe version3.02
PCI Express lanes4416

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.

i9-7980XE 19.66
+1265%
i7-940XM 1.44

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.

i9-7980XE 30094
+1262%
i7-940XM 2209

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.

i9-7980XE 1444
+271%
i7-940XM 389

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.

i9-7980XE 11241
+948%
i7-940XM 1073

Gaming performance

Pros & cons summary


Performance score 19.66 1.44
Recency 30 May 2017 20 June 2010
Physical cores 18 4
Threads 36 8
Chip lithography 14 nm 45 nm
Power consumption (TDP) 165 Watt 55 Watt

i9-7980XE has a 1265.3% higher aggregate performance score, an age advantage of 6 years, 350% more physical cores and 350% more threads, and a 221.4% more advanced lithography process.

i7-940XM, on the other hand, has 200% lower power consumption.

The Core i9-7980XE is our recommended choice as it beats the Core i7-940XM in performance tests.

Note that Core i9-7980XE is a desktop processor while Core i7-940XM is a notebook one.


Should you still have questions on choice between Core i9-7980XE and Core i7-940XM, ask them in Comments section, and we shall answer.

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Intel Core i9-7980XE
Core i9-7980XE
Intel Core i7-940XM
Core i7-940XM

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Community ratings

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Questions & comments

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