i7-3940XM vs Ryzen 7 5800

VS

Aggregate performance score

Ryzen 7 5800
2020
8 cores / 16 threads, 65 Watt
16.75
+341%

Ryzen 7 5800 outperforms Core i7-3940XM by a whopping 341% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 5800 and Core i7-3940XM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4061480
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 7Intel Core i7
Power efficiency23.596.33
Architecture codenameVermeer (2020−2024)Ivy Bridge (2012−2013)
Release date5 November 2020 (4 years ago)3 September 2012 (12 years ago)
Launch price (MSRP)no data$1,096

Detailed specifications

Ryzen 7 5800 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 speed3.4 GHz3 GHz
Boost clock speed4.6 GHz3.9 GHz
Bus rateno data5 GT/s
Multiplier34no data
L1 cache512 KB64K (per core)
L2 cache4 MB256K (per core)
L3 cache32 MB8 MB (shared)
Chip lithography7 nm, 12 nm22 nm
Die size81 mm2160 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors4,150 million1,400 million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier++

Compatibility

Information on Ryzen 7 5800 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
SocketAM4FCPGA988
Power consumption (TDP)65 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 5800 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+

Security technologies

Ryzen 7 5800 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 5800 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 5800 and Core i7-3940XM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR3
Maximum memory size128 GB32 GB
Max memory channelsno data2
Maximum memory bandwidth51.196 GB/s25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-Intel HD Graphics 4000
Quick Sync Video-+
Clear Video HD-+
Graphics max frequency-1.35 GHz
InTru 3D-+

Graphics interfaces

Available interfaces and connections of Ryzen 7 5800 and Core i7-3940XM integrated GPUs.

Number of displays supported-3
eDP-+
DisplayPort-+
HDMI-+
SDVO-+
CRT-+

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 5800 and Core i7-3940XM.

PCIe version4.03.0
PCI Express lanesno data16

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 5800 16.75
+341%
i7-3940XM 3.80

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 5800 25745
+341%
i7-3940XM 5840

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 5800 2080
+222%
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 5800 8778
+308%
i7-3940XM 2153

Gaming performance

Pros & cons summary


Performance score 16.75 3.80
Recency 5 November 2020 3 September 2012
Physical cores 8 4
Threads 16 8
Chip lithography 7 nm 22 nm
Power consumption (TDP) 65 Watt 55 Watt

Ryzen 7 5800 has a 340.8% higher aggregate performance score, an age advantage of 8 years, 100% more physical cores and 100% more threads, and a 214.3% more advanced lithography process.

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

The Ryzen 7 5800 is our recommended choice as it beats the Core i7-3940XM in performance tests.

Note that Ryzen 7 5800 is a desktop processor while Core i7-3940XM is a notebook one.


Should you still have questions on choice between Ryzen 7 5800 and Core i7-3940XM, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Ryzen 7 5800
Ryzen 7 5800
Intel Core i7-3940XM
Core i7-3940XM

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


4.2 243 votes

Rate Ryzen 7 5800 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.6 152 votes

Rate Core i7-3940XM on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 7 5800 or Core i7-3940XM, agree or disagree with our judgements, or report an error or mismatch.