Ryzen 7 7800X3D vs Ryzen 9 8945H

CPU

GPU

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023

Ryzen family

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Ryzen 9 8945H

8 Cores16 Thrd8 WWMax: 5.2 GHz2023

Ryzen family

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Ryzen 7 7800X3D vs Ryzen 9 8945H Performance Spectrum

Ryzen 7 7800X3D

8 / 16

34,293

+13.4%

Ryzen Threadripper PRO 7965WX

Ryzen Threadripper 7970X

Ryzen 9 8945H

8 / 16

30,240

0.0%

Ryzen Threadripper 3970X

Ryzen Threadripper 3990X

Ryzen Threadripper PRO 5995WX

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 7800X3D vs Ryzen 9 8945H 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 7800X3D vs Ryzen 9 8945H: 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 7800X3D

2023

Why buy it

✅Better for gaming: +10.1% higher average FPS across 37 shared CPU benchmark tests.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $449 MSRP, while Ryzen 9 8945H mostly shows up through inconsistent older-market listings.
❌1400% higher power demand at 120W vs 8W.

Ryzen 9 8945H

2023

Why buy it

✅Draws 8W instead of 120W, a 112W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 37 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (17,500 vs 18,500).

Quick Answers

So, is Ryzen 7 7800X3D better than Ryzen 9 8945H?

Yes. Ryzen 7 7800X3D is the better all-around CPU here. It gives you a 10.1% average FPS lead across 37 shared CPU game tests in our data, 5.7% better Cinebench R23 multi-core, 13.4% higher PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 7800X3D is the better pick. According to our tests, it delivers 10.1% more average FPS across 37 shared CPU game tests. It also has a clear cache advantage at 96 MB versus 16 MB.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the stronger fit. You are getting 5.7% better Cinebench R23 multi-core, backed by 8 cores and 16 threads. It also has the larger cache pool with 500% larger total L3 cache (96 MB vs 16 MB).

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

Ryzen 7 7800X3D is the better buy right now. Ryzen 7 7800X3D comes in at an unclear MSRP at $449 MSRP versus unclear MSRP, and it still gives you a 10.1% average FPS lead across 37 shared CPU game tests in our data. It is also 100.0% better value on MSRP (76.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Ryzen 7 7800X3D makes more sense long term for 2026 and beyond. You are getting 3D V-Cache and a much larger 96 MB L3 cache instead of 16 MB and more multi-core headroom with 8 cores / 16 threads instead of 8/16. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 7 7800X3D vs Ryzen 9 8945H Technical Specifications

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

Ryzen 7 7800X3D

The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

Ryzen 9 8945H

The Ryzen 9 8945H is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-HS (Zen 4) (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 4 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP7r2/FP8. Thermal design power (TDP): 8 MB + 16 MB. Memory support: DDR5. Passmark benchmark score: 30,240 points. Launch price was $499.

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Processing Power

Both the Ryzen 7 7800X3D and Ryzen 9 8945H share an identical 8-core/16-thread configuration. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 5.2 GHz on the Ryzen 9 8945H — a 3.9% clock advantage for the Ryzen 9 8945H (base: 4.4 GHz vs 4 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the Ryzen 9 8945H uses Hawk Point-HS (Zen 4) (2023−2024) (4 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the Ryzen 9 8945H's 30,240 — a 12.6% lead for the Ryzen 7 7800X3D. Cinebench R23 multi-core: 18,500 vs 17,500 (5.6% advantage for the Ryzen 7 7800X3D). Geekbench 6 single-core — the metric most relevant to gaming — records 2,700 vs 2,617, a 3.1% lead for the Ryzen 7 7800X3D that directly translates to higher frame rates. Multi-core Geekbench: 15,000 vs 12,662 (16.9% advantage for the Ryzen 7 7800X3D). L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 16 MB on the Ryzen 9 8945H.

Feature	Ryzen 7 7800X3D	Ryzen 9 8945H
Cores / Threads	8 / 16	8 / 16
Boost Clock	5 GHz	5.2 GHz+4%
Base Clock	4.4 GHz+10%	4 GHz
L3 Cache	96 MB (total)+500%	16 MB
L2 Cache	1 MB (per core)	8 MB+700%
Process	5 nm	4 nm-20%
Architecture	Raphael (Zen4) (2022−2023)	Hawk Point-HS (Zen 4) (2023−2024)
PassMark	34,293+13%	30,240
Cinebench R23 Multi	18,500+6%	17,500
Geekbench 6 Single	2,700+3%	2,617
Geekbench 6 Multi	15,000+18%	12,662

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Memory & Platform

The Ryzen 7 7800X3D uses the AM5 socket (PCIe 5.0), while the Ryzen 9 8945H uses FP7/FP7r2/FP8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 7 7800X3D versus DDR5-5600 on the Ryzen 9 8945H — the Ryzen 9 8945H supports 7.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 8945H supports up to 256 GB of RAM compared to 128 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (Ryzen 7 7800X3D) vs 20 (Ryzen 9 8945H) — the Ryzen 7 7800X3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D) and FP7,FP7r2,FP8 (Ryzen 9 8945H).

Feature	Ryzen 7 7800X3D	Ryzen 9 8945H
Socket	AM5	FP7/FP7r2/FP8
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-5200	DDR5-5600+8%
Max RAM Capacity	128 GB	256 GB+100%
RAM Channels	2	2
ECC Support	Yes	No
PCIe Lanes	28+40%	20

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Advanced Features

Only the Ryzen 7 7800X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support AMD-V virtualization. Both include integrated graphics — AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) and Radeon 780M (Ryzen 9 8945H) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming, Ryzen 9 8945H targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K; Ryzen 9 8945H rivals Core i9-13900H.