AMD Ryzen 9 3900X vs AMD Ryzen 7 2700

AMD Ryzen 9 3900X
AMD Socket AM4DESKTOP
3800 MHz / Cores: 12 / Dec 2019
AMD Ryzen 9 3900X
AMD Ryzen 7 2700
AMD Socket AM4DESKTOP
3200 MHz / Cores: 8 / Mar 2018
AMD Ryzen 7 2700

Summary

Synthetic performance index

  • AMD Ryzen 9 3900X
    161%
  • AMD Ryzen 7 2700
    100%

Relative performance

Single thread performance index

  • AMD Ryzen 9 3900X
    121%
  • AMD Ryzen 7 2700
    100%

Relative performance

Multi thread performance index

  • AMD Ryzen 9 3900X
    202%
  • AMD Ryzen 7 2700
    100%

Relative performance

Reasons to consider AMD Ryzen 9 3900X

Much higher single threaded performance (around 21% higher), makes a noticeable performance difference in gaming and the majority of applications.
Much higher multi threaded performance (around 102% 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 61% higher average synthetic performance.

Reasons to consider AMD Ryzen 7 2700

60 watts lower power draw.

AMD Ryzen 9 3900X

Gaming

HWBench recommends AMD Ryzen 9 3900X

Based on game and synthetic benchmarks, and theoretical specifications.

AMD Ryzen 9 3900X

Productivity

HWBench recommends AMD Ryzen 9 3900X

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


Specifications

Features

AMD Ryzen 9 3900XAMD Ryzen 7 2700
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
3DNow!
CnQ
NX bit
XFR

Architecture

AMD Ryzen 9 3900XAMD Ryzen 7 2700
ArchitectureAMD Zen 2vsAMD Zen+
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameZen 2vsZen
Release DateDec 2019vsMar 2018

Cores

AMD Ryzen 9 3900XAMD Ryzen 7 2700
Cores12vs8
Threads24vs16
SMPs1vs1
Integrated GraphicsNovsNo

Cache

AMD Ryzen 9 3900XAMD Ryzen 7 2700
L1 Cache96K (per core)vs96 KB (per core)
L2 Cache512K (per core)vs512 KB (per core)
L3 Cache64MBvs16384 KB (shared)

Physical

AMD Ryzen 9 3900XAMD Ryzen 7 2700
SocketAMD Socket AM4vsAMD Socket AM4
Max Case Tempunknownvsunknown
PackagevsuPGA
Die Sizeunknownvs192mm²
Process7 nmvs14 nm

Performance

AMD Ryzen 9 3900XAMD Ryzen 7 2700
Cpu Frequency3800 MHzvs3200 MHz
Turbo Clock4600 MHzvs4100 MHz
Base Clock100 MHzvs100 MHz
Voltagevariablevsvariable
TDP125 Wvs65 W

Raw performance index

Raw single-thread performance estimation

  • AMD Ryzen 9 3900X
    5152 points
  • AMD Ryzen 7 2700
    4510 points

Points - higher is better

Raw multi-thread performance estimation

  • AMD Ryzen 9 3900X
    62307 points
  • AMD Ryzen 7 2700
    34355 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Multi 64Bit

  • AMD Ryzen 9 3900X
    3159
  • AMD Ryzen 7 2700
    1561

points - higher is better

Cinebench R15 CPU Single 64Bit

  • AMD Ryzen 9 3900X
    206
  • AMD Ryzen 7 2700 (simulated)
    169.66

points - higher is better