AMD Ryzen 9 3900X vs AMD Ryzen 7 2700X

Compared 2 processors: AMD Ryzen 9 3900X, vs AMD Ryzen 7 2700X. Below are specs, tests, pros and cons for each device

Review

Key Specs AMD Ryzen 9 3900X and AMD Ryzen 7 2700X
Single-Thread Perf.
Single-Core Benchmark Score
Multi-Thread Perf.
Multi-Core Benchmark Score
Energy Efficiency
Chip Power Efficiency
Integrated Graphics
iGPU Performance in Games & 3D
NanoReview Score
Overall score by NanoReview

Tests & specs

Specs & test comparison

Benchmarks

CPU performance comparison across tasks
Cinebench R23
Cinebench R23 (Single-Core)
AMD Ryzen 9 3900X
1312
AMD Ryzen 7 2700X
1102
Cinebench R23 (Multi-Core)
AMD Ryzen 9 3900X
18682
AMD Ryzen 7 2700X
10140
Cinebench 2024
Cinebench 2024 (Single-Core)
AMD Ryzen 9 3900X
74
AMD Ryzen 7 2700X
n/a
Cinebench 2024 (Single-Core)
AMD Ryzen 9 3900X
982
AMD Ryzen 7 2700X
n/a
PassMark
PassMark CPU (Single-Core)
AMD Ryzen 9 3900X
2704
AMD Ryzen 7 2700X
2419
PassMark CPU (Multi-Core)
AMD Ryzen 9 3900X
32573
AMD Ryzen 7 2700X
17491
Integer Math99.7 GOps/s63.6 GOps/s
Floating-Point Math58.5 GOps/s32.6 GOps/s
Prime Number Search214 M primes/s41 M primes/s
Random String Sort48.4 M strings/s30.6 M strings/s
Data Encryption28.6 GB/s17 GB/s
Data Compression449.1 MB/s266.3 MB/s
Physics1800 frames/s794 frames/s
Extended Instructions292 M matrices/s102 M matrices/s
GeekBench v6
Geekbench 6 (Single-Core)
AMD Ryzen 9 3900X
1699
AMD Ryzen 7 2700X
1269
Geekbench 6 (Multi-Core)
AMD Ryzen 9 3900X
10470
AMD Ryzen 7 2700X
6487
File Compression872.1 MB/s537.6 MB/s
Clang Compilation104.4 KLines/s58.6 KLines/s
HTML5 Browser209.4 pages/s135.8 pages/s
PDF Rendering299.9 MP/sec215.7 MP/sec
Text Processing144.4 pages/s114.3 pages/s
Background Blur41.1 frames/s29.3 frames/s
Photo Processing75.2 frames/s50.2 frames/s
Ray Tracing24.4 MP/sec14 MP/sec

Blender

Real-world 3D modeling test
Blender CPU
AMD Ryzen 9 3900X
278.98
AMD Ryzen 7 2700X
150.63

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 99.7 PPW 61.8 PPW
PassMark CPU / W 310.2 PPW 166.6 PPW
Cinebench 2024 / W 9.4 PPW n/a
Blender / W 2.66 PPW 1.43 PPW

General Info

Manufacturer AMD AMD
Announced July, 7, 2019 April, 19, 2018
Type PC use PC use
Architecture x86-64 x86-64
Integrated GPU No No

Processor

Performance cores
Cores 12 8
Threads 24 16
Frequency 3.8 GHz 3.7 GHz
Max Frequency (Turbo) 4.6 GHz 4.3 GHz
General
Cores count128
Threads count2416
Bus frequency100 MHz100 MHz
Multiplier38x37x
L1 cache64 KB/core96 KB/core
L2 cache512 KB/core512 KB/core
L3 Cache64 MB total16 MB total
Unlocked multiplierYesYes

Package

Transistor count 3.8 billion 4.8 billion
Process tech. 7 nm 12 nm
Power (TDP) 105 W 105 W
Socket AM4 AM4
Critical temp. 95 °C 85 °C

Memory Support

Memory Type DDR4-3200 DDR4-2933
Max Size 128 GB 64 GB
Channels 2 2
ECC support Yes Yes
Max memory bandwidth 47.68 GB 43.71 GB

Other

PCIe Version 4.0 3.0
Max PCIe Lanes 16 20

Results

After analyzing the data, we consider AMD Ryzen 9 3900X the clear winner in this comparison.

Survey

Which CPU would you pick?
1 (100%)
0 (0%)
Total Votes: 1

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