i7-3940XM vs Ryzen 7 8700G

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Aggregate performance score

Ryzen 7 8700G
2024
8 cores / 16 threads, 65 Watt
20.78
+445%

Ryzen 7 8700G outperforms Core i7-3940XM by a whopping 445% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 8700G and Core i7-3940XM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2751477
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation46.89no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i7
Power efficiency29.156.32
Architecture codenamePhoenix (2023−2024)Ivy Bridge (2012−2013)
Release date8 January 2024 (less than a year ago)3 September 2012 (12 years ago)
Launch price (MSRP)$329$1,096

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 8700G and Core i7-3940XM 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 cores8 (Octa-Core)4 (Quad-Core)
Threads168
Base clock speed4.2 GHz3 GHz
Boost clock speed5.1 GHz3.9 GHz
Bus rateno data5 GT/s
L1 cache64 KB (per core)64K (per core)
L2 cache1 MB (per core)256K (per core)
L3 cache16 MB (shared)8 MB (shared)
Chip lithography4 nm22 nm
Die size178 mm2160 mm2
Maximum core temperatureno data105 °C
Number of transistors25,000 million1,400 million
64 bit support++
Windows 11 compatibilityno data-
Unlocked multiplier++

Compatibility

Information on Ryzen 7 8700G and Core i7-3940XM 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
SocketAM5FCPGA988
Power consumption (TDP)65 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 8700G and Core i7-3940XM. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® AVX
AES-NI++
AVX++
Enhanced SpeedStep (EIST)no data+
My WiFino data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
Demand Based Switchingno data-
FDIno data+
Fast Memory Accessno data+
Precision Boost 2+no data

Security technologies

Ryzen 7 8700G and Core i7-3940XM technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Identity Protection-+
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 8700G and Core i7-3940XM are enumerated here.

AMD-V++
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 8700G and Core i7-3940XM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR3
Maximum memory sizeno data32 GB
Max memory channelsno data2
Maximum memory bandwidthno data25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon 780MIntel HD Graphics 4000
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.35 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Ryzen 7 8700G and Core i7-3940XM integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 8700G and Core i7-3940XM.

PCIe version4.03.0
PCI Express lanes2016

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.

Ryzen 7 8700G 20.78
+445%
i7-3940XM 3.81

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.

Ryzen 7 8700G 31805
+446%
i7-3940XM 5825

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.

Ryzen 7 8700G 2684
+316%
i7-3940XM 645

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.

Ryzen 7 8700G 13907
+546%
i7-3940XM 2153

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Ryzen 7 8700G 7759
+47.7%
i7-3940XM 5252

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Ryzen 7 8700G 50560
+146%
i7-3940XM 20564

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Ryzen 7 8700G 16417
+129%
i7-3940XM 7176

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Ryzen 7 8700G 2.54
+175%
i7-3940XM 6.98

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Ryzen 7 8700G 31
+319%
i7-3940XM 7

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Ryzen 7 8700G 3.4
+110%
i7-3940XM 1.62

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Ryzen 7 8700G 14.8
+300%
i7-3940XM 3.7

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Ryzen 7 8700G 156
+284%
i7-3940XM 41

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Ryzen 7 8700G 331
+105%
i7-3940XM 161

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Ryzen 7 8700G 8593
+108%
i7-3940XM 4124

Gaming performance

Pros & cons summary


Performance score 20.78 3.81
Integrated graphics card 18.28 1.18
Recency 8 January 2024 3 September 2012
Physical cores 8 4
Threads 16 8
Chip lithography 4 nm 22 nm
Power consumption (TDP) 65 Watt 55 Watt

Ryzen 7 8700G has a 445.4% higher aggregate performance score, 1449.2% faster integrated GPU, an age advantage of 11 years, 100% more physical cores and 100% more threads, and a 450% more advanced lithography process.

i7-3940XM, on the other hand, has 18.2% lower power consumption.

The Ryzen 7 8700G is our recommended choice as it beats the Core i7-3940XM in performance tests.

Note that Ryzen 7 8700G is a desktop processor while Core i7-3940XM is a notebook one.


Should you still have questions on choice between Ryzen 7 8700G and Core i7-3940XM, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 8700G
Ryzen 7 8700G
Intel Core i7-3940XM
Core i7-3940XM

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