AMD Ryzen 7 3800X vs Intel Core i5-8400

Comparative analysis of AMD Ryzen 7 3800X and Intel Core i5-8400 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Security & Reliability. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, PassMark - Single thread mark, PassMark - CPU mark, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the AMD Ryzen 7 3800X

  • CPU is newer: launch date 2 year(s) 6 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 2 more cores, run more applications at once: 8 vs 6
  • 10 more threads: 16 vs 6
  • Around 13% higher clock speed: 4.5 GHz vs 4.00 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
  • 2x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 4x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 3.6x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 22% better performance in Geekbench 4 - Single Core: 1283 vs 1048
  • Around 97% better performance in Geekbench 4 - Multi-Core: 9002 vs 4580
  • Around 71% better performance in 3DMark Fire Strike - Physics Score: 6196 vs 3633
Specifications (specs)
Launch date 7 July 2019 vs 5 January 2017
Unlocked Unlocked vs Locked
Number of cores 8 vs 6
Number of threads 16 vs 6
Maximum frequency 4.5 GHz vs 4.00 GHz
Manufacturing process technology 7 nm vs 14 nm
L1 cache 512 KB vs 256 KB
L2 cache 4 MB vs 1 MB
L3 cache 32 MB vs 9 MB
Benchmarks
Geekbench 4 - Single Core 1283 vs 1048
Geekbench 4 - Multi-Core 9002 vs 4580
3DMark Fire Strike - Physics Score 6196 vs 3633

Reasons to consider the Intel Core i5-8400

  • Around 62% lower typical power consumption: 65 Watt vs 105 Watt
Thermal Design Power (TDP) 65 Watt vs 105 Watt

Compare benchmarks

CPU 1: AMD Ryzen 7 3800X
CPU 2: Intel Core i5-8400

Geekbench 4 - Single Core
CPU 1
CPU 2
1283
1048
Geekbench 4 - Multi-Core
CPU 1
CPU 2
9002
4580
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
6196
3633
Name AMD Ryzen 7 3800X Intel Core i5-8400
Geekbench 4 - Single Core 1283 1048
Geekbench 4 - Multi-Core 9002 4580
3DMark Fire Strike - Physics Score 6196 3633
PassMark - Single thread mark 2380
PassMark - CPU mark 9235
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 5.68
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 73.097
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.752
CompuBench 1.5 Desktop - Video Composition (Frames/s) 3.767
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 10.333
GFXBench 4.0 - Car Chase Offscreen (Frames) 1826
GFXBench 4.0 - Manhattan (Frames) 3900
GFXBench 4.0 - T-Rex (Frames) 6201
GFXBench 4.0 - Car Chase Offscreen (Fps) 1826
GFXBench 4.0 - Manhattan (Fps) 3900
GFXBench 4.0 - T-Rex (Fps) 6201

Compare specifications (specs)

AMD Ryzen 7 3800X Intel Core i5-8400

Essentials

Architecture codename Zen 2 Coffee Lake
Family Ryzen 7
Launch date 7 July 2019 5 January 2017
Launch price (MSRP) $399 $190
OPN PIB 100-100000025BOX
OPN Tray 100-000000025
Place in performance rating 1154 1142
Vertical segment Desktop Desktop
Price now $259
Processor Number i5-8400
Series 8th Generation Intel® Core™ i5 Processors
Status Launched
Value for money (0-100) 13.28

Performance

64 bit support
Base frequency 3.9 GHz 2.80 GHz
L1 cache 512 KB 256 KB
L2 cache 4 MB 1 MB
L3 cache 32 MB 9 MB
Manufacturing process technology 7 nm 14 nm
Maximum frequency 4.5 GHz 4.00 GHz
Number of cores 8 6
Number of threads 16 6
Unlocked
Bus Speed 8 GT/s DMI3
Maximum case temperature (TCase) 72 °C
Maximum core temperature 100°C

Memory

Max memory channels 2 2
Supported memory frequency 3200 MHz
Supported memory types DDR4-3200 DDR4-2666
Maximum memory bandwidth 41.6 GB/s
Maximum memory size 128 GB

Compatibility

Sockets supported AM4 FCLGA1151
Thermal Design Power (TDP) 105 Watt 65 Watt
Low Halogen Options Available
Max number of CPUs in a configuration 1
Package Size 37.5mm x 37.5mm
Thermal Solution PCG 2015C (65W)

Peripherals

Max number of PCIe lanes 24 16
PCI Express revision 4.0 3.0
PCIe configurations x16 Up to 1x16, 2x8, 1x8+2x4
Scalability 1S Only

Advanced Technologies

Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring

Virtualization

AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)

Graphics

Device ID 0x3E92
Graphics base frequency 350 MHz
Graphics max dynamic frequency 1.05 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory 64 GB
Processor graphics Intel® UHD Graphics 630

Graphics interfaces

Number of displays supported 3

Graphics image quality

4K resolution support
Max resolution over DisplayPort 4096x2304@60Hz
Max resolution over eDP 4096x2304@60Hz
Max resolution over HDMI 1.4 4096x2304@24Hz

Graphics API support

DirectX 12
OpenGL 4.5

Security & Reliability

Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot