Ryzen 7 3700X vs Ryzen 9 PRO 3900

AMD

Ryzen 7 3700X

8 Cores16 Thrd65 WWMax: 4.4 GHz2019

Popular choices:

VS
AMD

Ryzen 9 PRO 3900

12 Cores24 Thrd65 WWMax: 4.3 GHz2019

Popular choices:

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Ryzen 7 3700X

2019

Why buy it

  • Costs $170 less on MSRP ($329 MSRP vs $499 MSRP).
  • Delivers 8.9% more PassMark for each dollar spent, at 68.2 vs 62.6 PassMark/$ ($329 MSRP vs $499 MSRP).

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 PRO 3900 across 4 shared CPU benchmark tests.
  • Lower PassMark (22,430 vs 31,251).
  • Smaller total L3 cache (32 MB vs 64 MB).
  • No boxed cooler included, unlike Ryzen 9 PRO 3900.

Ryzen 9 PRO 3900

2019

Why buy it

  • Better for gaming: +6.0% higher average FPS across 4 shared CPU benchmark tests.
  • +100% larger total L3 cache (64 MB vs 32 MB).
  • Includes a boxed cooler (Wraith Prism), unlike Ryzen 7 3700X.

Trade-offs

  • Lower PassMark per dollar, at 62.6 vs 68.2 PassMark/$ ($499 MSRP vs $329 MSRP).

Quick Answers

So, is Ryzen 9 PRO 3900 better than Ryzen 7 3700X?
Yes. Ryzen 9 PRO 3900 is the better overall CPU here. You are getting a 6.0% average FPS lead across 4 shared CPU game tests in our data, 39.3% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Ryzen 9 PRO 3900 is the better pick here. According to our tests, it delivers 6.0% more average FPS across 4 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 9 PRO 3900 is the better fit. You are getting 39.3% better PassMark, backed by 12 cores and 24 threads. It also carries the larger cache pool with 100% larger total L3 cache (64 MB vs 32 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 PRO 3900 is still the faster CPU overall, but Ryzen 7 3700X makes more sense if price matters more than absolute performance. Ryzen 9 PRO 3900 is 51.7% more expensive on MSRP at $499 MSRP versus $329 MSRP, and it gives you a 6.0% average FPS lead across 4 shared CPU game tests in our data. Ryzen 7 3700X is also 8.9% better value on MSRP (68.2 vs 62.6 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 9 PRO 3900 is the more future-proof choice for 2026 and beyond. You are getting 100% larger total L3 cache (64 MB vs 32 MB) and more multi-core headroom with 12 cores / 24 threads instead of 8/16. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetRyzen 7 3700XRyzen 9 PRO 3900
1080p
low200 FPS188 FPS
medium163 FPS150 FPS
high137 FPS122 FPS
ultra110 FPS99 FPS
1440p
low156 FPS156 FPS
medium121 FPS121 FPS
high100 FPS96 FPS
ultra80 FPS80 FPS
4K
low84 FPS83 FPS
medium71 FPS69 FPS
high56 FPS54 FPS
ultra44 FPS44 FPS
Counter-Strike 2

Counter-Strike 2

PresetRyzen 7 3700XRyzen 9 PRO 3900
1080p
low561 FPS589 FPS
medium525 FPS510 FPS
high428 FPS414 FPS
ultra383 FPS368 FPS
1440p
low545 FPS506 FPS
medium471 FPS446 FPS
high394 FPS374 FPS
ultra337 FPS312 FPS
4K
low350 FPS317 FPS
medium304 FPS283 FPS
high274 FPS256 FPS
ultra242 FPS229 FPS
League of Legends

League of Legends

PresetRyzen 7 3700XRyzen 9 PRO 3900
1080p
low561 FPS781 FPS
medium561 FPS690 FPS
high561 FPS615 FPS
ultra561 FPS539 FPS
1440p
low561 FPS664 FPS
medium561 FPS540 FPS
high538 FPS481 FPS
ultra470 FPS419 FPS
4K
low499 FPS471 FPS
medium394 FPS370 FPS
high343 FPS327 FPS
ultra275 FPS264 FPS
Valorant

Valorant

PresetRyzen 7 3700XRyzen 9 PRO 3900
1080p
low561 FPS781 FPS
medium561 FPS781 FPS
high561 FPS781 FPS
ultra561 FPS706 FPS
1440p
low561 FPS781 FPS
medium561 FPS710 FPS
high561 FPS609 FPS
ultra555 FPS538 FPS
4K
low561 FPS574 FPS
medium501 FPS516 FPS
high447 FPS452 FPS
ultra396 FPS398 FPS

Technical Specifications

Side-by-side comparison of Ryzen 7 3700X and Ryzen 9 PRO 3900

AMD

Ryzen 7 3700X

The Ryzen 7 3700X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 22,430 points. Launch price was $329.

AMD

Ryzen 9 PRO 3900

The Ryzen 9 PRO 3900 is manufactured by AMD. It was released in 30 September 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.1 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 6 MB. Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 31,251 points. Launch price was $499.

Processing Power

The Ryzen 7 3700X packs 8 cores / 16 threads, while the Ryzen 9 PRO 3900 offers 12 cores / 24 threads — the Ryzen 9 PRO 3900 has 4 more cores. Boost clocks reach 4.4 GHz on the Ryzen 7 3700X versus 4.3 GHz on the Ryzen 9 PRO 3900 — a 2.3% clock advantage for the Ryzen 7 3700X (base: 3.6 GHz vs 3.1 GHz). The Ryzen 7 3700X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Ryzen 9 PRO 3900 uses Zen 2 (2017−2020) (7 nm, 12 nm). In PassMark, the Ryzen 7 3700X scores 22,430 against the Ryzen 9 PRO 3900's 31,251 — a 32.9% lead for the Ryzen 9 PRO 3900. L3 cache: 32 MB on the Ryzen 7 3700X vs 64 MB on the Ryzen 9 PRO 3900.

FeatureRyzen 7 3700XRyzen 9 PRO 3900
Cores / Threads
8 / 16
12 / 24+50%
Boost Clock
4.4 GHz+2%
4.3 GHz
Base Clock
3.6 GHz+16%
3.1 GHz
L3 Cache
32 MB
64 MB+100%
L2 Cache
512K (per core)
6 MB+1100%
Process
7 nm, 12 nm
7 nm, 12 nm
Architecture
Matisse (Zen 2) (2019−2020)
Zen 2 (2017−2020)
PassMark
22,430
31,251+39%
Cinebench R23 Multi
17,500
Geekbench 6 Single
1,688
Geekbench 6 Multi
10,000
🧠

Memory & Platform

Both processors use the AM4 socket with PCIe 4.0. Both support up to DDR4-3200 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 24 PCIe lanes. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 3700X) and X570,B550,X470,B450 (Ryzen 9 PRO 3900).

FeatureRyzen 7 3700XRyzen 9 PRO 3900
Socket
AM4
AM4
PCIe Generation
PCIe 4.0
PCIe 4.0
Max RAM Speed
DDR4-3200
DDR4-3200
Max RAM Capacity
128 GB
128 GB
RAM Channels
2
2
ECC Support
Yes
Yes
PCIe Lanes
24
24
🔧

Advanced Features

Virtualization: not specified (Ryzen 7 3700X) / AMD-V (Ryzen 9 PRO 3900). Primary use case: Ryzen 9 PRO 3900 targets Professional Content Creation. Direct competitor: Ryzen 9 PRO 3900 rivals Core i9-10900.

FeatureRyzen 7 3700XRyzen 9 PRO 3900
Integrated GPU
No
No
Unlocked
Yes
AVX-512
No
Virtualization
AMD-V
Target Use
Professional Content Creation
💰

Value Analysis

The Ryzen 7 3700X launched at $329 MSRP, while the Ryzen 9 PRO 3900 debuted at $499. On MSRP ($329 vs $499), the Ryzen 7 3700X is $170 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 7 3700X delivers 68.2 pts/$ vs 62.6 pts/$ for the Ryzen 9 PRO 3900 — making the Ryzen 7 3700X the 8.5% better value option.

FeatureRyzen 7 3700XRyzen 9 PRO 3900
MSRP
$329-34%
$499
Performance per Dollar
68.2+9%
62.6
Release Date
2019
2019