What’s the difference between 10th Gen Intel Core i5-10400 and 11th Gen Intel Core i5-11400?

The i5-11400 is a new CPU from Intel. So, how does it compare to its predecessor, the i5-10400?

You can find out in this comparison guide between the 10th Gen Intel Core i5-10400 and the 11th Gen Intel Core i5-11400.

Quick Summary

When compared to the 10th Generation Intel Core i5-10400 Processor, the 11th Generation Intel Core i5-11400 Processor has a higher maximum turbo frequency in addition to having better graphical and memory capabilities.

When it comes to benchmarking, the i5-11400 scored 11.84% higher than the i5-10400 on a single core and 9.18% higher than the i5-10400 on multiple cores.

The i5-11400 is also the only one of the two to support Intel Deep Learning Boost (Intel DL Boost) in addition to Intel Gaussian and Neural Accelerator 2.0.

On the other hand, the 10th Gen Intel Core i5-10400 Processor has a higher base frequency. Furthermore, unlike the newer i5-11400, the i5-10400 supports Intel Optane Memory and Intel ME Software Guard Extensions (Intel SGX).

i5-10400 vs. i5-11400 Comparison Chart

You can check out Seeking Tech’s comparison table between the two i5 CPUs below.

Lithography

When it comes to lithography, both the i5-10400 and i5-11400 are built on the 14 nm semiconductor.

Number of Cores

The two CPUs have the same number of cores at 6.

Number of Threads

Both products also have the same number of threads at 12.

Processor Base Frequency

The 10th Generation Intel Core i5-10400 has a faster base frequency when compared to the 11th Generation Intel Core i5-11400.

You can find the specifications below:

• i5-10400: 2.90 GHz
• i5-11400: 2.60 GHz

Maximum Turbo Frequency

On the other hand, the 11th Gen Intel Core i5-11400 has a higher maximum turbo frequency than the 10th Gen Intel Core i5-10400 when using the Intel Turbo Boost Technology 2.0:

• i5-10400: 4.30 GHz
• i5-11400: 4.40 GHz

Cache

For cache, both of the processors in this versus guide are equipped with the 12 MB Intel Smart Cache.

Bus Speed

The bus speeds for the CPUS are identical at 8 GT/s.

Thermal Design Power

The TDP, or Thermal Design Power, are also the same for these two PC components at 65 W.

Maximum Memory Size

The maximum memory size for the Intel Core i5-10400 and the Intel Core i5-11400 is 128 GB.

Memory Types

For memory, the newer i5-11400 is equipped with the better performing RAM when compared to the older i5-11400:

• i5-10400: DDR4-2666
• i5-11400: DDR4-3200

Maximum Number of Memory Channels

Both central processing units have a maximum of 2 memory channels.

Maximum Memory Bandwidth

The i5-11400 is faster than the i5-10400 when it comes to the maximum memory bandwidth as the newer CPU can go 8.4 GB per second higher, which translates to an advantage of 20.19%.

You can find the memory bandwidth stats below:

• i5-10400: 41.6 GB per second
• i5-11400: 50.0 GB per second

Processor Graphics

For the processor graphics, the i5-11400 is equipped with the Intel UHD Graphics 730 while the i5-10400 uses the Intel UHD Graphics 630.

Graphics Base Frequency

The base frequency for the processor graphics is the same at 350 MHz.

Graphics Maximum Dynamic Frequency

The 11th Gen i5-11400 does have a higher maximum frequency when compared to the 10th Gen i5-10400:

• i5-10400: 1.10 GHz
• i5-11400: 1.30 GHz

Graphics Video Maximum Memory

The maximum video memory for both CPUs is 64 GB.

Execution Units

The two processors use 24 execution units.

4K Support

Both products also support 4K at 60Hz.

Maximum Resolution

The graphical capabilities of the i5-11400 is better than the i5-10400.

For HDMI output, the i5-11400 can run at a higher refresh rate at the same resolution.

For DP and eDP outputs, the i5-11400 can run at a higher resolution when compared to the i5-10400.

You can take a look at the maximum resolutions below:

Maximum Resolution (HDMI)

• i5-10400: 4096 x 2160 at 30 Hz
• i5-11400: 4096 x 2160 at 60 Hz

Maximum Resolution (DP)

• i5-10400: 4096 x 2304 at 60 Hz
• i5-11400: 5120 x 3200 at 60 Hz

Maximum Resolution (eDP – Integrated Flat Panel)

• i5-10400: 4096 x 2304 at 60 Hz
• i5-11400: 5120 x 3200 at 60 Hz

Number of Displays Supported

Both CPUs can support up to 3 displays.

Graphical Features

You can take a look at a list of supported graphical features for the two Intel processors below:

i5-10400:

• DirectX 12 Support
• OpenGL 4.5 Support
• Intel Clear Video Technology
• Intel Clear Video HD Technology
• Intel Quick Sync Video
• Intel InTru 3D Technology

i5-11400:

• DirectX 12.1 Support
• OpenGL 4.5 Support
• Intel Clear Video Technology
• Intel Clear Video HD Technology
• Intel Quick Sync Video
• Intel InTru 3D Technology
• OpenCL 3.0 Support

Device ID

You can find the device identifications for the two products below:

• i5-10400: 0x9BC8 / 0x9BC5
• i5-11400: 0x4C8B

Scalability

When it comes to expansion, both CPUs is capable of 1S only.

PCI Express Revision

The 11th Generation i5-11400 supports a higher PCI Express version than the 10th Generation i5-10400:

• i5-10400: 3.0
• i5-11400: 4.0

PCI Express Configurations

You can also check out the available configurations for the two processors below:

• i5-10400: Up to 1×16, 2×8, 1×8+2×4
• i5-11400: Up to 1×16+1×4, 2×8+1×4, 1×8+3×4

Maximum Number of PCI Express Lanes

The i5-11400 also offers a higher maximum number of PCIe lanes:

• i5-10400: 16
• i5-11400: 20

Benchmark

When it comes to benchmarking, the i5-11400 scored 11.84% higher than the i5-10400 when a single core is used.

For multiple cores usage, the i5-11400 scored 9.18% higher than the i5-11400.

The tests were done using a MSI Z490M Gaming Edge Wi-Fi Motherboard.

You can check out the benchmarking scores below (via WCCFTech):

Geekbench 5 Single-Core Benchmark Score

• i5-10400: 1115
• i5-11400: 1247

Geekbench 5 Multi-Core Benchmark Score

• i5-10400: 5676
• i5-11400: 6197

Thermal Solution Specification

For the thermal solution specification, the 10th Gen i5-10400 utilizes PCG 2015C while the i5-11400 utilizes PCG 2019C.

Junction Temperature

The maximum die temperature for both CPUs is 100°C.

Advanced Features

When it comes to advanced features, the i5-10400 is the only one of the two to support Intel Optane Memory.

On the other hand, the i5-11400 is the only one to feature Intel Deep Learning Boost (Intel DL Boost) as well as Intel Gaussian and Neural Accelerator 2.0.

You can find the lists of advanced features below:

i5-10400:

• 64-bit Instruction Set
• Enhanced Intel SpeedStep Technology
• Idle States
• Intel 64
• Intel Hyper-Threading Technology
• Intel Identity Protection Technology
• Intel Optane Memory Supported
• Intel SSE4.1, Intel SSE4.2 and Intel AVX2 Instruction Set Extensions
• Intel Turbo Boost 2.0
• Intel Virtualization Technology (VT-x)
• Intel Virtualization Technology for Directed I/O (VT-d)
• Intel VT-x with Extended Page Tables (EPT)
• Thermal Monitoring Technologies

i5-11400:

• Intel Deep Learning Boost (Intel DL Boost)
• 64-bit Instruction Set
• Enhanced Intel SpeedStep Technology
• Idle States
• Intel 64
• Intel Hyper-Threading Technology
• Intel Identity Protection Technology
• Intel SSE4.1, Intel SSE4.2 and Intel AVX2 Instruction Set Extensions
• Intel Gaussian and Neural Accelerator 2.0
• Intel Stable Image Platform Program (SIPP)
• Intel Turbo Boost 2.0
• Intel Virtualization Technology (VT-x)
• Intel Virtualization Technology for Directed I/O (VT-d)
• Intel VT-x with Extended Page Tables (EPT)
• Thermal Monitoring Technologies

Security and Reliability Features

For security and reliability, the i5-10400 is the only CPU in this comparison to support Intel ME Software Guard Extensions (Intel SGX). Otherwise, the two processors have the same features in this category.

You can check out the full lists below:

i5-10400:

• Execute Disable Bit
• Intel AES New Instructions
• Intel Boot Guard
• Intel ME Software Guard Extensions (Intel SGX)
• Intel OS Guard
• Secure Key

i5-11400:

• Execute Disable Bit
• Intel AES New Instructions
• Intel Boot Guard
• Intel OS Guard
• Secure Key

Resources:

• https://www.intel.com/content/www/us/en/products/sku/199271/intel-core-i510400-processor-12m-cache-up-to-4-30-ghz/specifications.html
• https://www.intel.com/content/www/us/en/products/sku/212270/intel-core-i511400-processor-12m-cache-up-to-4-40-ghz/specifications.html