AMD Ryzen 9 3900X vs AMD Ryzen 7 2700

AMD Ryzen 9 3900X
AMD Socket AM4 DESKTOP
3800 MHz / Cores: 12 / Dec 2019
AMD Ryzen 9 3900X

AMD Ryzen 7 2700
AMD Socket AM4 DESKTOP
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 3900X AMD 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 3900X AMD Ryzen 7 2700
Architecture AMD_Zen_2 vs AMD_Zen_Plus
Market Desktop vs Desktop
Memory Support DDR4 vs DDR4
Codename Zen 2 vs Zen
Release Date Dec 2019 vs Mar 2018

Cores

AMD Ryzen 9 3900X AMD Ryzen 7 2700
Cores 12 vs 8
Threads 24 vs 16
SMPs 1 vs 1
Integrated Graphics No vs No

Cache

AMD Ryzen 9 3900X AMD Ryzen 7 2700
L1 Cache 96K (per core) vs 96 KB (per core)
L2 Cache 512K (per core) vs 512 KB (per core)
L3 Cache 64MB vs 16384 KB (shared)

Physical

AMD Ryzen 9 3900X AMD Ryzen 7 2700
Socket AMD Socket AM4 vs AMD Socket AM4
Max Case Temp unknown vs unknown
Package vs uPGA
Die Size unknown vs 192mm²
Process 7 nm vs 14 nm

Performance

AMD Ryzen 9 3900X AMD Ryzen 7 2700
Cpu Frequency 3800 MHz vs 3200 MHz
Turbo Clock Speed 4600 MHz vs 4100 MHz
Base Clock 100 MHz vs 100 MHz
Voltage variable vs variable
TDP 125 W vs 65 W

Raw performance index

Raw single-thread performance estimation

  • AMD Ryzen 9 3900X
    5060 points
  • AMD Ryzen 7 2700
    4510 points

Points - higher is better

Raw multi-thread performance estimation

  • AMD Ryzen 9 3900X
    61195 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