Home > CPU Comparison > Core i5 9400 or Ryzen 5 3400G: what's better?

Intel Core i5 9400 vs AMD Ryzen 5 3400G

31 out of 100
Intel Core i5 9400
VS
29 out of 100
AMD Ryzen 5 3400G
Intel Core i5 9400
AMD Ryzen 5 3400G

We compared two desktop CPUs: the 2.9 GHz Intel Core i5 9400 with 6-cores against the 3.7 GHz AMD Ryzen 5 3400G with 4-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
NanoReview Final Score
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Value for money (Beta)

Global average CPU prices are used by default! For better accuracy, enter your current prices and click “Calculate".
Currency
VS
29.1
(Mediocre)
Value Index
36.6
(Mediocre)

Key Differences

What are the key differences between 3400G and 9400
Advantages of Intel Core i5 9400
  • Has 5 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Supports up to 128 GB DDR4-2666 RAM
  • Has 2 more physical cores
  • 14% faster in a single-core Geekbench v6 test - 1363 vs 1196 points
Advantages of AMD Ryzen 5 3400G
  • More powerful Radeon RX Vega 11 integrated graphics: 1.8 vs 0.4 TFLOPS
  • Unlocked multiplier
  • More modern manufacturing process – 12 versus 14 nanometers
  • Newer - released 6 months later
  • Around 2.11 GB/s (5%) higher theoretical memory bandwidth
  • 2% higher Turbo Boost frequency (4.2 GHz vs 4.1 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i5 9400
vs
Ryzen 5 3400G

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
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)
Core i5 9400 +14%
1363
Ryzen 5 3400G
1196
Geekbench 6 (Multi-Core)
Core i5 9400 +35%
5314
Ryzen 5 3400G
3926
File compression 423.9 MB/sec 345.4 MB/sec
Clang compilation 38.7 Klines/sec 27.8 Klines/sec
HTML 5 Browser 114.6 pages/sec 93.2 pages/sec
PDF Renderer 167 Mpixels/sec 131.8 Mpixels/sec
Text processing 141.1 pages/sec 108.6 pages/sec
Background blur 35.1 images/sec 17.6 images/sec
Photo processing 49.1 images/sec 38.8 images/sec
Ray tracing 7.01 Mpixels/sec 6.96 Mpixels/sec
Sources: GeekBench [1], [2] – 1057 & 538 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Core i5 9400 +5%
2419
Ryzen 5 3400G
2311
Passmark CPU (Multi-Core)
Core i5 9400 +2%
9368
Ryzen 5 3400G
9179
Integer math 26.3 GOps/sec 31.1 GOps/sec
Floating point math 22.7 GOps/sec 16 GOps/sec
Find prime numbers 36M Primes/sec 20M Primes/sec
Random string sorting 16.3M Strings/sec 15M Strings/sec
Data encryption 2.9 GBytes/sec 8.5 GBytes/sec
Data compression 132 MBytes/sec 130.6 MBytes/sec
Physics 620 Frames/sec 484 Frames/sec
Extended instructions 11.7B Matrices/sec 5B Matrices/sec
Sources: PassMark [3], [4] – 3036 & 4680 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i5 9400 +14%
80.24
Ryzen 5 3400G
70.63

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt - 4.5 PPW
Geekbench 6 Multi / Watt 81.8 PPW 60.4 PPW
Passmark CPU Mark / Watt 144.1 PPW 141.2 PPW
Blender / Watt 1.23 PPW 1.09 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
Intel Core i5 9400
DateBenchmarkResult
📘 2026-09-16 -> op1Geekbench 6 CPU1452 / 4659
Add View all (1)
AMD Ryzen 5 3400G
DateBenchmarkResult
📘 2025-07-21 (kent)Cinebench 202458 / 292
Add View all (1)

Specifications

Full technical specification of Intel Core i5 9400 and AMD Ryzen 5 3400G

General

Vendor Intel Amd
Released January 7, 2019 July 7, 2019
Type Desktop Desktop
Instruction Set x86-64 x86-64
Codename Coffee Lake Zen+ (Picasso)
Model number i5-9400 -
Integrated GPU UHD Graphics 630 Radeon RX Vega 11
Rival Equivalent - AMD Ryzen 5 3600 - Intel Core i5 9400
Successor - Intel Core Ultra 5 225 - AMD Ryzen 5 8600G
AMD Ryzen CPU ranking (#181st place)

CPU

Performance Cores
P-Cores 6 4
P-Threads 6 8
Base Frequency (P) 2.9 GHz 3.7 GHz
Turbo Boost Frequency (P) 4.1 GHz 4.2 GHz
Total
Total Cores 6 4
Total Threads 6 8
Bus Frequency 100 MHz 100 MHz
Multiplier 29x 37x
Bus Bandwidth 8 GT/s -
L1 Cache 64K (per core) 96K (per core)
L2 Cache 256K (per core) 512K (per core)
L3 Cache 9MB (shared) 4MB (shared)
Unlocked Multiplier No Yes

Package

Transistors - 4.9 billions
Fabrication Process 14 nm 12 nm
TDP (PL1) 65 W 45-65 W (configurable)
Socket LGA-1151 AM4
Peak Temperature 100°C 95°C
Desktop CPU ranking (#183rd place)

iGPU

Integrated Graphics Intel UHD Graphics 630 Radeon RX Vega 11
GPU Base Clock 350 MHz 300 MHz
GPU Boost Clock 1050 MHz 1300 MHz
Shading Units 192 704
TMUs 24 44
ROPs 3 16
Execution Units 24 11
TGP 15 W 25 W
iGPU FLOPS
Core i5 9400
0.4 TFLOPS
Ryzen 5 3400G +350%
1.8 TFLOPS
More info: Radeon RX Vega 11 compared to UHD Graphics 630

Memory Support

Memory Types - DDR4-2666 - DDR4-2933
Max. Memory Size 128 GB 64 GB
Memory Channels 2 2
Max. Memory Bandwidth 41.6 GB/s 43.71 GB/s
ECC Support No No

Misc

Official Site Intel Core i5 9400 official page AMD Ryzen 5 3400G official page
PCI Express Version 3.0 3.0
PCI Express Lanes 16 8

Cast your vote

Choose between two processors
48 (33.6%)
95 (66.4%)
Total votes: 143

Comments

So which CPU will you choose: AMD Ryzen 5 3400G or Intel Core i5 9400?
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