Intel Core i5 10400

Cores: 6
L3 cache: 12MB (shared)
TDP: 65 W
Transistor size: 14 nm

Core i5 10400 - desktop processor produced by Intel for socket LGA-1200 that has 6 cores and 12 threads. The base clock frequency of the CPU is 2900 MHz, but due to Turbo Boost technology, it can perform up to 4300 MHz. The size of the L3 cache is 12 MB. Please note that this chip has integrated graphics Intel UHD Graphics 630.

Review

Single-Core Performance

42

Multi-Core Performance

19

Power Efficiency

42

Integrated Graphics

23

NanoReview Final Score

33

Compare Intel Core i5 10400 with other CPUs

Cinebench

Reputable cross-platform benchmark for high-performance processors

Cinebench 2024 (Single)

57

Cinebench 2024 (Multi)

338

Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps

Geekbench 6 (Single-Core)

1499

Geekbench 6 (Multi-Core)

6113

File compression	438.2 MB/sec
Clang compilation	47.1 Klines/sec
HTML 5 Browser	137.5 pages/sec
PDF Renderer	201.7 Mpixels/sec
Text processing	148.5 pages/sec
Background blur	33.2 images/sec
Photo processing	54.5 images/sec
Ray tracing	9.62 Mpixels/sec

Sources: GeekBench [1] – 442 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions

Passmark CPU (Single-Core)

2556

Passmark CPU (Multi-Core)

11971

Integer math	41.7 GOps/sec
Floating point math	26.1 GOps/sec
Find prime numbers	33M Primes/sec
Random string sorting	23.2M Strings/sec
Data encryption	4 GBytes/sec
Data compression	186.9 MBytes/sec
Physics	665 Frames/sec
Extended instructions	12.5B Matrices/sec

Sources: PassMark [3] – 6025 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)

Blender CPU

113.96

Performance Per Watt

Shows the score you get per each watt of PL1 TDP

Cinebench 2024 / Watt	5.2 PPW
Geekbench 6 Multi / Watt	94 PPW
Passmark CPU Mark / Watt	184.2 PPW
Blender / Watt	1.75 PPW

These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users

Date	Benchmark	Result
📘 2025-10-18 (shueizhiyueri)	Cinebench 2024	57 / 338

Add View all (1)

General

Vendor	Intel
Released	May 1, 2020
Type	Desktop
Instruction Set	x86-64
Codename	Comet Lake
Model number	i5-10400
Integrated GPU	UHD Graphics 630
Successor	- Intel Core Ultra 5 225

CPU

Performance Cores
P-Cores	6
P-Threads	12
Base Frequency (P)	2.9 GHz
Turbo Boost Frequency (P)	4.3 GHz

Total
Total Cores	6
Total Threads	12
Bus Frequency	100 MHz
Multiplier	29x
Bus Bandwidth	8 GT/s
L1 Cache	64K (per core)
L2 Cache	256K (per core)
L3 Cache	12MB (shared)
Unlocked Multiplier	No

Package

Fabrication Process	14 nm
TDP (PL1)	65 W
Socket	LGA-1200
Peak Temperature	100°C

Desktop CPU ranking - 169th place

iGPU

Integrated Graphics	Intel UHD Graphics 630
GPU Base Clock	350 MHz
GPU Boost Clock	1100 MHz
Shading Units	192
TMUs	24
ROPs	3
Execution Units	24
TGP	15 W

iGPU FLOPS

0.4 TFLOPS

See also: Intel UHD Graphics 630 – integrated graphics of Intel Core i5 10400

Memory Support

Memory Types	- DDR4-2666
Max. Memory Size	128 GB
Memory Channels	2
Max. Memory Bandwidth	41.6 GB/s
ECC Support	No

Misc

Official Site	Intel Core i5 10400 official page
PCI Express Version	3.0
PCI Express Lanes	16
Technologies	- Compute: ABM, ADX, BMI1, BMI2, CLMUL, F16C - Performance: EIST, TBT 2.0, TSX - Virtualization: VT-d, VT-x - Security: RDRAND, TXT, XD bit

Competitors

1. Intel Core i5 10400 vs Intel Core i3 12100 (2)

2. Intel Core i5 10400 vs Intel Core i5 10400F (12)

Compare other CPUs (460+)