Ryzen 7 9800X3D vs Ryzen 9 PRO 5945

AMD

Ryzen 7 9800X3D

8 Cores16 Thrd120 WWMax: 5.2 GHz2024

Popular choices:

VS
AMD

Ryzen 9 PRO 5945

12 Cores24 Thrd65 WWMax: 4.7 GHz2022

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 9800X3D

2024

Why buy it

  • Better for gaming: +19.0% higher average FPS across 50 shared CPU benchmark tests.
  • Newer platform on AM5 with DDR5 support instead of AM4 and DDR4.
  • 40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.
  • Integrated graphics onboard with Radeon Graphics, while Ryzen 9 PRO 5945 needs a discrete GPU.

Trade-offs

  • Launch MSRP is still $479 MSRP, while Ryzen 9 PRO 5945 mostly shows up through inconsistent older-market listings.
  • 84.6% higher power demand at 120W vs 65W.

Ryzen 9 PRO 5945

2022

Why buy it

  • Draws 65W instead of 120W, a 55W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 9800X3D across 50 shared CPU benchmark tests.
  • Lower Cinebench R23 multi-core (23,200 vs 23,277).
  • Older platform position on AM4 with DDR4, while Ryzen 7 9800X3D moves to AM5 and DDR5.
  • No integrated graphics, while Ryzen 7 9800X3D can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 7 9800X3D better than Ryzen 9 PRO 5945?
Yes. Ryzen 7 9800X3D is the better overall CPU here. You are getting a 19.0% average FPS lead across 50 shared CPU game tests in our data, 0.3% better Cinebench R23 multi-core, 15.7% higher 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 7 9800X3D is the better pick here. According to our tests, it delivers 19.0% more average FPS across 50 shared CPU game tests. It also has a big cache advantage at 96 MB vs 64 MB.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 7 9800X3D is the better fit. You are getting 0.3% better Cinebench R23 multi-core, backed by 8 cores and 16 threads. It also carries the larger cache pool with 50% larger total L3 cache (96 MB vs 64 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 7 9800X3D is the smarter buy today. Ryzen 7 9800X3D is at an unclear MSRP at $479 MSRP versus unclear MSRP, and it gives you a 19.0% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (83.4 vs 0.0 PassMark/$), 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 PRO 5945 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 7 9800X3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2022), a healthier platform with AM5 and DDR5 instead of AM4, 3D V-Cache and a much larger 96 MB L3 cache instead of 64 MB, and more multi-core headroom with 8 cores / 16 threads instead of 12/24. 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.

Path of Exile 2

Path of Exile 2

PresetRyzen 7 9800X3DRyzen 9 PRO 5945
1080p
low276 FPS164 FPS
medium257 FPS136 FPS
high219 FPS116 FPS
ultra192 FPS97 FPS
1440p
low260 FPS149 FPS
medium217 FPS119 FPS
high172 FPS97 FPS
ultra155 FPS82 FPS
4K
low179 FPS83 FPS
medium149 FPS72 FPS
high112 FPS57 FPS
ultra100 FPS46 FPS
Counter-Strike 2

Counter-Strike 2

PresetRyzen 7 9800X3DRyzen 9 PRO 5945
1080p
low880 FPS630 FPS
medium713 FPS544 FPS
high561 FPS434 FPS
ultra474 FPS381 FPS
1440p
low697 FPS524 FPS
medium591 FPS460 FPS
high483 FPS385 FPS
ultra383 FPS315 FPS
4K
low383 FPS307 FPS
medium328 FPS271 FPS
high305 FPS249 FPS
ultra263 FPS221 FPS
League of Legends

League of Legends

PresetRyzen 7 9800X3DRyzen 9 PRO 5945
1080p
low944 FPS845 FPS
medium772 FPS670 FPS
high698 FPS586 FPS
ultra604 FPS494 FPS
1440p
low731 FPS676 FPS
medium598 FPS535 FPS
high529 FPS460 FPS
ultra452 FPS387 FPS
4K
low506 FPS480 FPS
medium419 FPS398 FPS
high377 FPS354 FPS
ultra316 FPS293 FPS
Valorant

Valorant

PresetRyzen 7 9800X3DRyzen 9 PRO 5945
1080p
low999 FPS864 FPS
medium999 FPS864 FPS
high907 FPS836 FPS
ultra811 FPS743 FPS
1440p
low885 FPS864 FPS
medium778 FPS757 FPS
high685 FPS661 FPS
ultra592 FPS566 FPS
4K
low639 FPS626 FPS
medium568 FPS557 FPS
high507 FPS490 FPS
ultra437 FPS423 FPS

Technical Specifications

Side-by-side comparison of Ryzen 7 9800X3D and Ryzen 9 PRO 5945

AMD

Ryzen 7 9800X3D

The Ryzen 7 9800X3D is manufactured by AMD. It was released in 7 November 2024 (1 year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 8 cores and 16 threads. Base frequency is 4.7 GHz, with boost up to 5.2 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 39,966 points. Launch price was $479.

AMD

Ryzen 9 PRO 5945

The Ryzen 9 PRO 5945 is manufactured by AMD. It was released in 4 April 2022 (3 years ago). It is based on the Vermeer (2020−2025) architecture. It features 12 cores and 24 threads. Base frequency is 3 GHz, with boost up to 4.7 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 34,549 points. Launch price was $499.

Processing Power

The Ryzen 7 9800X3D packs 8 cores / 16 threads, while the Ryzen 9 PRO 5945 offers 12 cores / 24 threads — the Ryzen 9 PRO 5945 has 4 more cores. Boost clocks reach 5.2 GHz on the Ryzen 7 9800X3D versus 4.7 GHz on the Ryzen 9 PRO 5945 — a 10.1% clock advantage for the Ryzen 7 9800X3D (base: 4.7 GHz vs 3 GHz). The Ryzen 7 9800X3D uses the Granite Ridge (2024−2025) architecture (4 nm), while the Ryzen 9 PRO 5945 uses Vermeer (2020−2025) (7 nm). In PassMark, the Ryzen 7 9800X3D scores 39,966 against the Ryzen 9 PRO 5945's 34,549 — a 14.5% lead for the Ryzen 7 9800X3D. Cinebench R23 multi-core: 23,277 vs 23,200 (0.3% advantage for the Ryzen 7 9800X3D). Geekbench 6 single-core — the metric most relevant to gaming — records 3,450 vs 2,175, a 45.3% lead for the Ryzen 7 9800X3D that directly translates to higher frame rates. Multi-core Geekbench: 18,500 vs 12,500 (38.7% advantage for the Ryzen 7 9800X3D). L3 cache: 96 MB (total) on the Ryzen 7 9800X3D vs 64 MB on the Ryzen 9 PRO 5945.

FeatureRyzen 7 9800X3DRyzen 9 PRO 5945
Cores / Threads
8 / 16
12 / 24+50%
Boost Clock
5.2 GHz+11%
4.7 GHz
Base Clock
4.7 GHz+57%
3 GHz
L3 Cache
96 MB (total)+50%
64 MB
L2 Cache
1 MB (per core)+100%
512 kB (per core)
Process
4 nm-43%
7 nm
Architecture
Granite Ridge (2024−2025)
Vermeer (2020−2025)
PassMark
39,966+16%
34,549
Cinebench R23 Multi
23,277
23,200
Geekbench 6 Single
3,450+59%
2,175
Geekbench 6 Multi
18,500+48%
12,500
🧠

Memory & Platform

The Ryzen 7 9800X3D uses the AM5 socket (PCIe 5.0), while the Ryzen 9 PRO 5945 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Ryzen 7 9800X3D versus DDR4-3200 on the Ryzen 9 PRO 5945 — the Ryzen 7 9800X3D supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 9800X3D 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. PCIe lanes: 28 (Ryzen 7 9800X3D) vs 20 (Ryzen 9 PRO 5945) — the Ryzen 7 9800X3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X670E,B650E,X870E,B850 (Ryzen 7 9800X3D) and X570,B550,A520,X470,B450 (Ryzen 9 PRO 5945).

FeatureRyzen 7 9800X3DRyzen 9 PRO 5945
Socket
AM5
AM4
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
DDR5-5600+25%
DDR4-3200
Max RAM Capacity
192 GB+50%
128 GB
RAM Channels
2
2
ECC Support
Yes
Yes
PCIe Lanes
28+40%
20
🔧

Advanced Features

Only the Ryzen 7 9800X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 9800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V, AMD-Vi (Ryzen 7 9800X3D) vs AMD-V (SVM) (Ryzen 9 PRO 5945). The Ryzen 7 9800X3D includes integrated graphics (Radeon Graphics), while the Ryzen 9 PRO 5945 requires a dedicated GPU. Primary use case: Ryzen 7 9800X3D targets Extreme Gaming, Ryzen 9 PRO 5945 targets High-end Gaming. Direct competitor: Ryzen 7 9800X3D rivals Core i9-14900K; Ryzen 9 PRO 5945 rivals Core i9-12900.

FeatureRyzen 7 9800X3DRyzen 9 PRO 5945
Integrated GPU
Yes
No
IGPU Model
Radeon Graphics
Unlocked
Yes
No
AVX-512
Yes
No
Virtualization
AMD-V, AMD-Vi
AMD-V (SVM)
Target Use
Extreme Gaming
High-end Gaming