i5-11400 vs Pentium Gold 6405U

Aggregate performance score

Pentium Gold 6405U
2019
2 cores / 4 threads, 15 Watt
1.73
Core i5-11400
2021
6 cores / 12 threads, 65 Watt
10.70
+518%

Core i5-11400 outperforms Pentium Gold 6405U by a whopping 518% based on our aggregate benchmark results.

Primary details

Comparing Pentium Gold 6405U and Core i5-11400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2030725
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Comet Lakeno data
Power efficiency10.9115.58
Architecture codenameComet Lake-U (2019−2020)Rocket Lake (2021)
Release date31 October 2019 (5 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$161no data

Detailed specifications

Pentium Gold 6405U and Core i5-11400 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 cores2 (Dual-core)6 (Hexa-Core)
Threads412
Base clock speed2.4 GHz2.6 GHz
Boost clock speed2.4 GHz4.4 GHz
Bus rate4 GT/s8 GT/s
L1 cache256 KB64K (per core)
L2 cache1 MB256K (per core)
L3 cache2 MB12 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Pentium Gold 6405U and Core i5-11400 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
SocketFCBGA1528FCLGA1200
Power consumption (TDP)15 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Gold 6405U and Core i5-11400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX-+
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Turbo Boost Technology-2.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Turbo Boost Max 3.0no data-
Deep Learning Boost-+

Security technologies

Pentium Gold 6405U and Core i5-11400 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key++
Identity Protection++
SGXYes with Intel® ME-
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Gold 6405U and Core i5-11400 are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Gold 6405U and Core i5-11400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-3200
Maximum memory size64 GB128 GB
Max memory channels22
Maximum memory bandwidth37.5 GB/s50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics for 10th Gen Intel ProcessorsIntel UHD Graphics 730
Max video memory32 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency950 MHz1.3 GHz
Execution Unitsno data24
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Pentium Gold 6405U and Core i5-11400 integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Pentium Gold 6405U and Core i5-11400 integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2304@24Hz4096x2160@60Hz
Max resolution over eDP4096x2304@60Hz5120 x 3200 @60Hz
Max resolution over DisplayPort4096x2304@60Hz5120 x 3200 @60Hz

Graphics API support

APIs supported by Pentium Gold 6405U and Core i5-11400 integrated GPUs, sometimes API versions are included.

DirectX1212.1
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Pentium Gold 6405U and Core i5-11400.

PCIe version2.04.0
PCI Express lanes1220

Gaming performance

Pros & cons summary


Performance score 1.73 10.70
Integrated graphics card 5.58 4.16
Recency 31 October 2019 16 March 2021
Physical cores 2 6
Threads 4 12
Power consumption (TDP) 15 Watt 65 Watt

Pentium Gold 6405U has 34.1% faster integrated GPU, and 333.3% lower power consumption.

i5-11400, on the other hand, has a 518.5% higher aggregate performance score, an age advantage of 1 year, and 200% more physical cores and 200% more threads.

The Core i5-11400 is our recommended choice as it beats the Pentium Gold 6405U in performance tests.

Be aware that Pentium Gold 6405U is a notebook processor while Core i5-11400 is a desktop one.


Should you still have questions on choice between Pentium Gold 6405U and Core i5-11400, 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.


Intel Pentium Gold 6405U
Pentium Gold 6405U
Intel Core i5-11400
Core i5-11400

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.


2.8 386 votes

Rate Pentium Gold 6405U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 2173 votes

Rate Core i5-11400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Pentium Gold 6405U or Core i5-11400, agree or disagree with our judgements, or report an error or mismatch.