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 9 3950X

2019

Why buy it

✅Draws 105W instead of 170W, a 65W reduction.

Trade-offs

❌No 3D V-Cache or similar L3 advantage, which matters in CPU-limited gaming (64 MB vs 128 MB).
❌Lower PassMark (38,519 vs 70,177).
❌Lower PassMark per dollar, at 51.4 vs 100.4 PassMark/$ ($749 MSRP vs $699 MSRP).
❌Older platform position on AM4 with DDR4, while Ryzen 9 9950X3D moves to AM5 and DDR5.
❌No integrated graphics, while Ryzen 9 9950X3D can still boot and troubleshoot without a discrete GPU.

Ryzen 9 9950X3D

2025

Why buy it

✅Massive L3 cache advantage with 128 MB vs 64 MB, which is a real win in CPU-limited gaming.
✅Costs $50 less on MSRP ($699 MSRP vs $749 MSRP).
✅Delivers 95.2% more PassMark for each dollar spent, at 100.4 vs 51.4 PassMark/$ ($699 MSRP vs $749 MSRP).
✅Newer platform on AM5 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Radeon Graphics (2 Cores), while Ryzen 9 3950X needs a discrete GPU.

Trade-offs

❌61.9% higher power demand at 170W vs 105W.

Ryzen 9 3950X

2019

Ryzen 9 9950X3D

2025

Why buy it

✅Draws 105W instead of 170W, a 65W reduction.

Why buy it

✅Massive L3 cache advantage with 128 MB vs 64 MB, which is a real win in CPU-limited gaming.
✅Costs $50 less on MSRP ($699 MSRP vs $749 MSRP).
✅Delivers 95.2% more PassMark for each dollar spent, at 100.4 vs 51.4 PassMark/$ ($699 MSRP vs $749 MSRP).
✅Newer platform on AM5 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Radeon Graphics (2 Cores), while Ryzen 9 3950X needs a discrete GPU.

Trade-offs

❌No 3D V-Cache or similar L3 advantage, which matters in CPU-limited gaming (64 MB vs 128 MB).
❌Lower PassMark (38,519 vs 70,177).
❌Lower PassMark per dollar, at 51.4 vs 100.4 PassMark/$ ($749 MSRP vs $699 MSRP).
❌Older platform position on AM4 with DDR4, while Ryzen 9 9950X3D moves to AM5 and DDR5.
❌No integrated graphics, while Ryzen 9 9950X3D can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌61.9% higher power demand at 170W vs 105W.

Quick Answers

So, is Ryzen 9 9950X3D better than Ryzen 9 3950X?

Yes. Ryzen 9 9950X3D is the better overall CPU here. You are getting a 2.9% average FPS lead across 4 shared CPU game tests in our data, 82.2% 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 9950X3D is the better pick here. According to our tests, it delivers 2.9% more average FPS across 4 shared CPU game tests. It also has a big cache advantage at 128 MB vs 64 MB.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 9950X3D is the better fit. You are getting 82.2% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 100% larger total L3 cache (128 MB vs 64 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 9 9950X3D is the smarter buy today. Ryzen 9 9950X3D is $50 cheaper on MSRP at $699 MSRP versus $749 MSRP, and it gives you a 2.9% average FPS lead across 4 shared CPU game tests in our data. It is also 95.2% better value on MSRP (100.4 vs 51.4 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper. That said, if you already own a compatible AM4 + DDR4 setup, Ryzen 9 3950X can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

Which one is more future-proof for 2026 and beyond?

Ryzen 9 9950X3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2019), a healthier platform with AM5 and DDR5 instead of AM4, 3D V-Cache and a much larger 128 MB L3 cache instead of 64 MB, and more multi-core headroom with 16 cores / 32 threads instead of 16/32. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

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 9 3950X Benchmark Check

Ryzen 9 9950X3D Benchmark Check

Path of Exile 2

Preset	Ryzen 9 3950X	Ryzen 9 9950X3D
1080p
low	207 FPS	300 FPS
medium	182 FPS	274 FPS
high	147 FPS	227 FPS
ultra	119 FPS	191 FPS
1440p
low	167 FPS	276 FPS
medium	138 FPS	228 FPS
high	109 FPS	177 FPS
ultra	91 FPS	156 FPS
4K
low	89 FPS	190 FPS
medium	79 FPS	156 FPS
high	62 FPS	120 FPS
ultra	50 FPS	106 FPS

Open Ryzen 9 3950X Open Ryzen 9 9950X3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 3950X	Ryzen 9 9950X3D
1080p
low	701 FPS	722 FPS
medium	616 FPS	615 FPS
high	497 FPS	457 FPS
ultra	438 FPS	385 FPS
1440p
low	580 FPS	591 FPS
medium	519 FPS	524 FPS
high	439 FPS	405 FPS
ultra	360 FPS	319 FPS
4K
low	340 FPS	332 FPS
medium	306 FPS	299 FPS
high	283 FPS	262 FPS
ultra	252 FPS	224 FPS

Open Ryzen 9 3950X Open Ryzen 9 9950X3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 3950X	Ryzen 9 9950X3D
1080p
low	871 FPS	893 FPS
medium	701 FPS	725 FPS
high	623 FPS	652 FPS
ultra	520 FPS	560 FPS
1440p
low	710 FPS	720 FPS
medium	572 FPS	585 FPS
high	498 FPS	514 FPS
ultra	422 FPS	437 FPS
4K
low	494 FPS	516 FPS
medium	412 FPS	431 FPS
high	365 FPS	387 FPS
ultra	307 FPS	322 FPS

Open Ryzen 9 3950X Open Ryzen 9 9950X3D

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 3950X	Ryzen 9 9950X3D
1080p
low	963 FPS	1116 FPS
medium	963 FPS	1001 FPS
high	887 FPS	878 FPS
ultra	796 FPS	792 FPS
1440p
low	883 FPS	872 FPS
medium	772 FPS	766 FPS
high	678 FPS	673 FPS
ultra	597 FPS	584 FPS
4K
low	649 FPS	637 FPS
medium	577 FPS	566 FPS
high	513 FPS	503 FPS
ultra	437 FPS	435 FPS

Open Ryzen 9 3950X Open Ryzen 9 9950X3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 3950X and Ryzen 9 9950X3D

Ryzen 9 3950X

The Ryzen 9 3950X is manufactured by AMD. It was released in 14 November 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 16 cores and 32 threads. Base frequency is 3.5 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 Dual-channel. Passmark benchmark score: 38,519 points. Launch price was $799.

Ryzen 9 9950X3D

The Ryzen 9 9950X3D is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 16 cores and 32 threads. Base frequency is 4.3 GHz, with boost up to 5.7 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 170 Watt. Memory support: DDR5. Passmark benchmark score: 70,177 points. Launch price was $699.

⚡

Processing Power

Both the Ryzen 9 3950X and Ryzen 9 9950X3D share an identical 16-core/32-thread configuration. Boost clocks reach 4.7 GHz on the Ryzen 9 3950X versus 5.7 GHz on the Ryzen 9 9950X3D — a 19.2% clock advantage for the Ryzen 9 9950X3D (base: 3.5 GHz vs 4.3 GHz). The Ryzen 9 3950X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Ryzen 9 9950X3D uses Granite Ridge (2024−2025) (4 nm). In PassMark, the Ryzen 9 3950X scores 38,519 against the Ryzen 9 9950X3D's 70,177 — a 58.3% lead for the Ryzen 9 9950X3D. L3 cache: 64 MB on the Ryzen 9 3950X vs 128 MB (total) on the Ryzen 9 9950X3D.

Feature	Ryzen 9 3950X	Ryzen 9 9950X3D
Cores / Threads	16 / 32	16 / 32
Boost Clock	4.7 GHz	5.7 GHz+21%
Base Clock	3.5 GHz	4.3 GHz+23%
L3 Cache	64 MB	128 MB (total)+100%
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	7 nm, 12 nm	4 nm-43%
Architecture	Matisse (Zen 2) (2019−2020)	Granite Ridge (2024−2025)
PassMark	38,519	70,177+82%
Cinebench R23 Multi	—	44,500
Geekbench 6 Single	—	3,398
Geekbench 6 Multi	—	22,206

🧠

Memory & Platform

The Ryzen 9 3950X uses the AM4 socket (PCIe 4.0), while the Ryzen 9 9950X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 3950X versus DDR5-5600 on the Ryzen 9 9950X3D — the Ryzen 9 9950X3D supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 9950X3D supports up to 192 GB of RAM compared to 128 GB — 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 24 PCIe lanes. Chipset compatibility: X570,B550 (Ryzen 9 3950X) and X670E,X670,B650E,B650 (Ryzen 9 9950X3D).

Feature	Ryzen 9 3950X	Ryzen 9 9950X3D
Socket	AM4	AM5
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	DDR5-5600+25%
Max RAM Capacity	128 GB	192 GB+50%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	24	24

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 9950X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 3950X) vs true (Ryzen 9 9950X3D). The Ryzen 9 9950X3D includes integrated graphics (Radeon Graphics (2 Cores)), while the Ryzen 9 3950X requires a dedicated GPU. Direct competitor: Ryzen 9 9950X3D rivals Core Ultra 9 285K.

Feature	Ryzen 9 3950X	Ryzen 9 9950X3D
Integrated GPU	No	Yes
IGPU Model	—	Radeon Graphics (2 Cores)
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	AMD-V	true

💰

Value Analysis

The Ryzen 9 3950X launched at $749 MSRP, while the Ryzen 9 9950X3D debuted at $699. On MSRP ($749 vs $699), the Ryzen 9 9950X3D is $50 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 3950X delivers 51.4 pts/$ vs 100.4 pts/$ for the Ryzen 9 9950X3D — making the Ryzen 9 9950X3D the 64.5% better value option.