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).
✅Draws 65W instead of 105W, a 40W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 3900XT across 50 shared CPU benchmark tests.
❌Lower PassMark (22,430 vs 32,512).
❌Smaller total L3 cache (32 MB vs 64 MB).

Ryzen 9 3900XT

2020

Why buy it

✅Better for gaming: +7.1% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (64 MB vs 32 MB).

Trade-offs

❌
51.7% HIGHER MSRP
$499 MSRPvs$329 MSRP
❌61.5% higher power demand at 105W vs 65W.

Ryzen 7 3700X

2019

Ryzen 9 3900XT

2020

Why buy it

✅Costs $170 less on MSRP ($329 MSRP vs $499 MSRP).
✅Draws 65W instead of 105W, a 40W reduction.

Why buy it

✅Better for gaming: +7.1% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (64 MB vs 32 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 3900XT across 50 shared CPU benchmark tests.
❌Lower PassMark (22,430 vs 32,512).
❌Smaller total L3 cache (32 MB vs 64 MB).

Trade-offs

❌
51.7% HIGHER MSRP
$499 MSRPvs$329 MSRP
❌61.5% higher power demand at 105W vs 65W.

Quick Answers

So, is Ryzen 9 3900XT better than Ryzen 7 3700X?

Yes. Ryzen 9 3900XT is the better overall CPU here. You are getting a 7.1% average FPS lead across 50 shared CPU game tests in our data, 44.9% 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 3900XT is the better pick here. According to our tests, it delivers 7.1% more average FPS across 50 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen 9 3900XT is the better fit. You are getting 44.9% 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 3900XT is still the faster CPU overall, but Ryzen 7 3700X makes more sense if price matters more than absolute performance. Ryzen 9 3900XT is 51.7% more expensive on MSRP at $499 MSRP versus $329 MSRP, and it gives you a 7.1% average FPS lead across 50 shared CPU game tests in our data. Ryzen 7 3700X is also 4.6% better value on MSRP (68.2 vs 65.2 PassMark/$), 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 3900XT is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2019), 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.

Ryzen 7 3700X Benchmark Check

Ryzen 9 3900XT Benchmark Check

Path of Exile 2

Preset	Ryzen 7 3700X	Ryzen 9 3900XT
1080p
low	200 FPS	177 FPS
medium	163 FPS	148 FPS
high	137 FPS	130 FPS
ultra	110 FPS	108 FPS
1440p
low	156 FPS	158 FPS
medium	121 FPS	126 FPS
high	100 FPS	104 FPS
ultra	80 FPS	86 FPS
4K
low	84 FPS	88 FPS
medium	71 FPS	75 FPS
high	56 FPS	60 FPS
ultra	44 FPS	48 FPS

Open Ryzen 7 3700X Open Ryzen 9 3900XT

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 7 3700X	Ryzen 9 3900XT
1080p
low	561 FPS	681 FPS
medium	525 FPS	578 FPS
high	428 FPS	433 FPS
ultra	383 FPS	372 FPS
1440p
low	545 FPS	562 FPS
medium	471 FPS	487 FPS
high	394 FPS	386 FPS
ultra	337 FPS	309 FPS
4K
low	350 FPS	332 FPS
medium	304 FPS	290 FPS
high	274 FPS	253 FPS
ultra	242 FPS	217 FPS

Open Ryzen 7 3700X Open Ryzen 9 3900XT

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 7 3700X	Ryzen 9 3900XT
1080p
low	561 FPS	813 FPS
medium	561 FPS	644 FPS
high	561 FPS	557 FPS
ultra	561 FPS	463 FPS
1440p
low	561 FPS	725 FPS
medium	561 FPS	564 FPS
high	538 FPS	487 FPS
ultra	470 FPS	410 FPS
4K
low	499 FPS	515 FPS
medium	394 FPS	422 FPS
high	343 FPS	374 FPS
ultra	275 FPS	310 FPS

Open Ryzen 7 3700X Open Ryzen 9 3900XT

League of Legends

League of Legends

Valorant

Preset	Ryzen 7 3700X	Ryzen 9 3900XT
1080p
low	561 FPS	813 FPS
medium	561 FPS	813 FPS
high	561 FPS	813 FPS
ultra	561 FPS	756 FPS
1440p
low	561 FPS	813 FPS
medium	561 FPS	769 FPS
high	561 FPS	675 FPS
ultra	555 FPS	578 FPS
4K
low	561 FPS	635 FPS
medium	501 FPS	566 FPS
high	447 FPS	501 FPS
ultra	396 FPS	432 FPS

Open Ryzen 7 3700X Open Ryzen 9 3900XT

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

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

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.

Ryzen 9 3900XT

The Ryzen 9 3900XT is manufactured by AMD. It was released in 7 July 2020 (5 years ago). It is based on the Matisse 2 (2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 32,512 points. Launch price was $499.

⚡

Processing Power

The Ryzen 7 3700X packs 8 cores / 16 threads, while the Ryzen 9 3900XT offers 12 cores / 24 threads — the Ryzen 9 3900XT has 4 more cores. Boost clocks reach 4.4 GHz on the Ryzen 7 3700X versus 4.7 GHz on the Ryzen 9 3900XT — a 6.6% clock advantage for the Ryzen 9 3900XT (base: 3.6 GHz vs 3.8 GHz). The Ryzen 7 3700X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Ryzen 9 3900XT uses Matisse 2 (2020) (7 nm, 12 nm). In PassMark, the Ryzen 7 3700X scores 22,430 against the Ryzen 9 3900XT's 32,512 — a 36.7% lead for the Ryzen 9 3900XT. L3 cache: 32 MB on the Ryzen 7 3700X vs 64 MB on the Ryzen 9 3900XT.

Feature	Ryzen 7 3700X	Ryzen 9 3900XT
Cores / Threads	8 / 16	12 / 24+50%
Boost Clock	4.4 GHz	4.7 GHz+7%
Base Clock	3.6 GHz	3.8 GHz+6%
L3 Cache	32 MB	64 MB+100%
L2 Cache	512K (per core)	512K (per core)
Process	7 nm, 12 nm	7 nm, 12 nm
Architecture	Matisse (Zen 2) (2019−2020)	Matisse 2 (2020)
PassMark	22,430	32,512+45%
Cinebench R23 Multi	—	18,400
Geekbench 6 Single	—	1,750
Geekbench 6 Multi	—	10,500

🧠

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 3900XT).

Feature	Ryzen 7 3700X	Ryzen 9 3900XT
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	No
PCIe Lanes	24	24

🔧

Advanced Features

Virtualization: not specified (Ryzen 7 3700X) / AMD-V (Ryzen 9 3900XT). Primary use case: Ryzen 9 3900XT targets Workstation / Enthusiast Gaming. Direct competitor: Ryzen 9 3900XT rivals Core i9-10900K.

Feature	Ryzen 7 3700X	Ryzen 9 3900XT
Integrated GPU	No	No
Unlocked	—	Yes
AVX-512	—	No
Virtualization	—	AMD-V
Target Use	—	Workstation / Enthusiast Gaming

💰

Value Analysis

The Ryzen 7 3700X launched at $329 MSRP, while the Ryzen 9 3900XT 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 65.2 pts/$ for the Ryzen 9 3900XT — making the Ryzen 7 3700X the 4.5% better value option.