Ryzen 7 3700X vs Ryzen 9 PRO 3900

AMD

Ryzen 7 3700X

8 Cores16 Thrd65 WWMax: 4.4 GHz2019
VS
AMD

Ryzen 9 PRO 3900

12 Cores24 Thrd65 WWMax: 4.3 GHz2019

Ryzen 7 3700X vs Ryzen 9 PRO 3900 Performance Spectrum

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.

Ryzen 7 3700X vs Ryzen 9 PRO 3900 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Ryzen 7 3700X vs Ryzen 9 PRO 3900: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Ryzen 7 3700X

2019

Why buy it

  • βœ…Better for gaming: +12.9% higher average FPS across 50 shared CPU benchmark tests.
  • βœ…Costs $170 less on MSRP ($329 MSRP vs $499 MSRP).
  • βœ…Delivers 8.9% more PassMark for each dollar spent, at 68.2 vs 62.6 PassMark/$ ($329 MSRP vs $499 MSRP).

Trade-offs

  • ❌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

  • βœ…+39.3% higher PassMark.
  • βœ…+100% larger total L3 cache (64 MB vs 32 MB).
  • βœ…Includes a boxed cooler (Wraith Prism), unlike Ryzen 7 3700X.

Trade-offs

  • ❌Worse for gaming: lower average FPS than Ryzen 7 3700X across 50 shared CPU benchmark tests.
  • ❌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?
It depends on what you want from the system. For gaming, Ryzen 7 3700X is ahead with a 12.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 9 PRO 3900 pulls ahead with 39.3% better PassMark. Ryzen 9 PRO 3900 also has the bigger cache pool with 100% larger total L3 cache (64 MB vs 32 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 9 PRO 3900 is the stronger fit. You are getting 39.3% better PassMark, backed by 12 cores and 24 threads. It also has 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 is easier to justify if budget matters more than peak performance. Ryzen 9 PRO 3900 comes in 51.7% more expensive on MSRP at $499 MSRP versus $329 MSRP, and it still gives you 39.3% better PassMark. The compromise is that Ryzen 7 3700X is still the better pure gaming CPU with a 12.9% average FPS lead across 50 shared CPU game tests in our data. Ryzen 7 3700X is also 8.9% better value on MSRP (68.2 vs 62.6 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 9 PRO 3900 makes more sense long term 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 is more likely to matter as games, background tasks, and creator workloads get heavier.

Ryzen 7 3700X vs Ryzen 9 PRO 3900 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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) (2019βˆ’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 (2017βˆ’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 β€” 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 β€” 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) (2019βˆ’2020) architecture (7 nm, 12 nm), while the Ryzen 9 PRO 3900 uses Zen 2 (2017βˆ’2020) (7 nm, 12 nm). In PassMark, the Ryzen 7 3700X scores 22,430 against the Ryzen 9 PRO 3900's 31,251 β€” 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)+8433%
6 MB
Process
7 nm, 12 nm
7 nm, 12 nm
Architecture
Matisse (Zen 2) (2019βˆ’2020)
Zen 2 (2017βˆ’2020)
PassMark
22,430
31,251+39%
Cinebench R23 Multi
β€”
17,500
Geekbench 6 Single
β€”
1,688
Geekbench 6 Multi
β€”
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
πŸ”§

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
β€”
Yes
AVX-512
β€”
No
Virtualization
β€”
AMD-V
Target Use
β€”
Professional Content Creation
πŸ’°

Value Analysis

At launch, the Ryzen 7 3700X was priced at $329, while the Ryzen 9 PRO 3900 came in at $499. On launch pricing ($329 vs $499), Ryzen 7 3700X was $170 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 7 3700X delivers 68.2 pts/$ vs 62.6 pts/$ for the Ryzen 9 PRO 3900 β€” 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

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