AMD Ryzen 9 5900X vs Intel Core i7-3820

AMD Ryzen 9 5900X
AMD Socket AM4DESKTOP
3700 MHz / Cores: 12 / Nov 2020
AMD Ryzen 9 5900X
Intel Core i7-3820
Intel Socket 2011DESKTOP
3600 MHz / Cores: 4 / Feb 2012
Intel Core i7-3820

Summary

Synthetic performance index

  • AMD Ryzen 9 5900X
    391%
  • Intel Core i7-3820
    100%

Relative performance

Single thread performance index

  • AMD Ryzen 9 5900X
    210%
  • Intel Core i7-3820
    100%

Relative performance

Multi thread performance index

  • AMD Ryzen 9 5900X
    573%
  • Intel Core i7-3820
    100%

Relative performance

Reasons to consider AMD Ryzen 9 5900X

Much higher single threaded performance (around 110% higher), makes a noticeable performance difference in gaming and the majority of applications.
Much higher multi threaded performance (around 473% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
This is a newer product, it might have better application compatibility/performance (check features chart below).
Around 291% higher average synthetic performance.

Reasons to consider Intel Core i7-3820

None

AMD Ryzen 9 5900X

Gaming

HWBench recommends AMD Ryzen 9 5900X

Based on game and synthetic benchmarks, and theoretical specifications.

AMD Ryzen 9 5900X

Productivity

HWBench recommends AMD Ryzen 9 5900X

Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.


Specifications

Features

AMD Ryzen 9 5900XIntel Core i7-3820
MMX
SSE
SSE2
SSE3
SSSE3
SSE4A
SSE4.1
SSE4.2
AES
AVX
AVX2
BMI1
BMI2
SHA
F16C
FMA3
AMD64
EVP
AMD-V
SMAP
SMEP
SMT
Precision Boost 2
XFR 2
EIST
Intel 64
XD bit
VT-x
Hyper-Threading
AES-NI

Architecture

AMD Ryzen 9 5900XIntel Core i7-3820
ArchitectureAMD Zen 3vsIntel_SandyBridge
MarketDesktopvsDesktop
Memory SupportDDR4-3200 MHz Dual-channelvsDDR3
CodenameVermeervsSandy Bridge-E
Release DateNov 2020vsFeb 2012

Cores

AMD Ryzen 9 5900XIntel Core i7-3820
Cores12vs4
Threads24vs8
SMPs1vs1
Integrated GraphicsNovsNo

Cache

AMD Ryzen 9 5900XIntel Core i7-3820
L1 Cache64K (per core)vs64 KB (per core)
L2 Cache512K (per core)vs256 KB (per core)
L3 Cache64MBvs10240 KB (shared)

Physical

AMD Ryzen 9 5900XIntel Core i7-3820
SocketAMD Socket AM4vsIntel Socket 2011
Max Case Temp95°Cvs67°C
PackagevsFC-LGA10
Die Sizeunknownvs294mm²
Process7 nmvs32 nm

Performance

AMD Ryzen 9 5900XIntel Core i7-3820
Cpu Frequency3700 MHzvs3600 MHz
Turbo Clock4800 MHzvs3800 MHz
Base Clock100 MHzvs100 MHz
VoltageN/Avs1.35 V
TDP105 Wvs130 W

Raw performance index

Raw single-thread performance estimation

  • AMD Ryzen 9 5900X
    5760 points
  • Intel Core i7-3820
    3800 points

Points - higher is better

Raw multi-thread performance estimation

  • AMD Ryzen 9 5900X
    65001 points
  • Intel Core i7-3820
    17280 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Single 64Bit

  • AMD Ryzen 9 5900X
    272
  • Intel Core i7-3820 (simulated)
    129

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • AMD Ryzen 9 5900X
    3726
  • Intel Core i7-3820 (simulated)
    650.12

points - higher is better