Ryzen 7 7800X3D vs Ryzen 9 7945HX3D

AMD

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023

Popular choices:

VS
AMD

Ryzen 9 7945HX3D

16 Cores32 Thrd55 WWMax: 5.4 GHz2023

Popular choices:

Ryzen 7 7800X3D

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 7800X3D

2023

Why buy it

  • Better for gaming: +9.1% higher average FPS across 7 shared CPU benchmark tests.

Trade-offs

  • Lower PassMark (34,293 vs 57,803).
  • Smaller total L3 cache (96 MB vs 128 MB).
  • Launch MSRP is still $449 MSRP, while Ryzen 9 7945HX3D mostly shows up through inconsistent older-market listings.
  • 118.2% higher power demand at 120W vs 55W.

Ryzen 9 7945HX3D

2023

Why buy it

  • +68.6% higher PassMark.
  • +33.3% larger total L3 cache (128 MB vs 96 MB).
  • Draws 55W instead of 120W, a 65W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 7 shared CPU benchmark tests.

Quick Answers

So, is Ryzen 7 7800X3D better than Ryzen 9 7945HX3D?
It depends on what matters more to you. For gaming, Ryzen 7 7800X3D is ahead with a 9.1% average FPS lead across 7 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 9 7945HX3D pulls ahead with 68.6% better PassMark. Ryzen 9 7945HX3D also has the bigger cache pool with 33.3% larger total L3 cache (128 MB vs 96 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 9 7945HX3D is the better fit. You are getting 68.6% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 33.3% larger total L3 cache (128 MB vs 96 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 7 7800X3D is the smarter buy today. Ryzen 7 7800X3D is at an unclear MSRP at $449 MSRP versus unclear MSRP, and it gives you a 9.1% average FPS lead across 7 shared CPU game tests in our data. The trade-off is that Ryzen 9 7945HX3D is still stronger for heavier multi-core work with 68.6% better PassMark. It is also 100.0% better value on MSRP (76.4 vs 0.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 7 7800X3D is the safer long-term CPU choice because it gives you more overall headroom and a better platform outlook.

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 7800X3DRyzen 9 7945HX3D
1080p
low266 FPS279 FPS
medium247 FPS257 FPS
high211 FPS210 FPS
ultra186 FPS178 FPS
1440p
low258 FPS263 FPS
medium215 FPS220 FPS
high171 FPS169 FPS
ultra154 FPS149 FPS
4K
low179 FPS183 FPS
medium149 FPS152 FPS
high112 FPS116 FPS
ultra100 FPS103 FPS
Counter-Strike 2

Counter-Strike 2

PresetRyzen 7 7800X3DRyzen 9 7945HX3D
1080p
low857 FPS673 FPS
medium737 FPS580 FPS
high580 FPS432 FPS
ultra493 FPS363 FPS
1440p
low722 FPS559 FPS
medium611 FPS499 FPS
high500 FPS385 FPS
ultra398 FPS301 FPS
4K
low396 FPS314 FPS
medium339 FPS284 FPS
high315 FPS250 FPS
ultra273 FPS211 FPS
League of Legends

League of Legends

PresetRyzen 7 7800X3DRyzen 9 7945HX3D
1080p
low857 FPS1025 FPS
medium857 FPS1077 FPS
high857 FPS1022 FPS
ultra857 FPS875 FPS
1440p
low857 FPS884 FPS
medium851 FPS805 FPS
high786 FPS740 FPS
ultra656 FPS647 FPS
4K
low558 FPS539 FPS
medium479 FPS464 FPS
high427 FPS418 FPS
ultra362 FPS355 FPS
Valorant

Valorant

PresetRyzen 7 7800X3DRyzen 9 7945HX3D
1080p
low857 FPS1051 FPS
medium857 FPS951 FPS
high857 FPS833 FPS
ultra782 FPS745 FPS
1440p
low857 FPS831 FPS
medium760 FPS736 FPS
high669 FPS645 FPS
ultra576 FPS555 FPS
4K
low618 FPS607 FPS
medium556 FPS544 FPS
high495 FPS482 FPS
ultra428 FPS416 FPS

Technical Specifications

Side-by-side comparison of Ryzen 7 7800X3D and Ryzen 9 7945HX3D

AMD

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.

AMD

Ryzen 9 7945HX3D

The Ryzen 9 7945HX3D is manufactured by AMD. It was released in 2023-07-27. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.3 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5-5200. Passmark benchmark score: 57,803 points. Launch price was $800.

Processing Power

The Ryzen 7 7800X3D packs 8 cores / 16 threads, while the Ryzen 9 7945HX3D offers 16 cores / 32 threads — the Ryzen 9 7945HX3D has 8 more cores. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 5.4 GHz on the Ryzen 9 7945HX3D — a 7.7% clock advantage for the Ryzen 9 7945HX3D (base: 4.4 GHz vs 2.3 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the Ryzen 9 7945HX3D uses Dragon Range-HX (Zen 4) (2023−2024) (5 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the Ryzen 9 7945HX3D's 57,803 — a 51.1% lead for the Ryzen 9 7945HX3D. L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 128 MB (total) on the Ryzen 9 7945HX3D.

FeatureRyzen 7 7800X3DRyzen 9 7945HX3D
Cores / Threads
8 / 16
16 / 32+100%
Boost Clock
5 GHz
5.4 GHz+8%
Base Clock
4.4 GHz+91%
2.3 GHz
L3 Cache
96 MB (total)
128 MB (total)+33%
L2 Cache
1 MB (per core)
1 MB (per core)
Process
5 nm
5 nm
Architecture
Raphael (Zen4) (2022−2023)
Dragon Range-HX (Zen 4) (2023−2024)
PassMark
34,293
57,803+69%
Cinebench R23 Multi
18,500
Geekbench 6 Single
2,700
Geekbench 6 Multi
15,000
🧠

Memory & Platform

The Ryzen 7 7800X3D uses the AM5 socket (PCIe 5.0), while the Ryzen 9 7945HX3D uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 7 7800X3D versus 5200 on the Ryzen 9 7945HX3D — the Ryzen 9 7945HX3D supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 28 PCIe lanes. Chipset compatibility: X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D) and FL1 (Ryzen 9 7945HX3D).

FeatureRyzen 7 7800X3DRyzen 9 7945HX3D
Socket
AM5
FL1
PCIe Generation
PCIe 5.0
PCIe 5.0
Max RAM Speed
DDR5-5200
5200+103900%
Max RAM Capacity
128 GB+104857500%
128
RAM Channels
2
2
ECC Support
Yes
Yes
PCIe Lanes
28
28
🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: AMD-V (Ryzen 7 7800X3D) vs VT-x, VT-d, AMD-V (Ryzen 9 7945HX3D). Both include integrated graphics AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) and AMD Radeon 610M (Ryzen 9 7945HX3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K; Ryzen 9 7945HX3D rivals Core Ultra 9 285HX.

FeatureRyzen 7 7800X3DRyzen 9 7945HX3D
Integrated GPU
Yes
Yes
IGPU Model
AMD Radeon Graphics (2-core)
AMD Radeon 610M
Unlocked
Yes
Yes
AVX-512
Yes
Yes
Virtualization
AMD-V
VT-x, VT-d, AMD-V
Target Use
Gaming
💰

Value Analysis

The Ryzen 7 7800X3D launched at $449 MSRP, while the Ryzen 9 7945HX3D debuted at $0. On MSRP ($449 vs $0), the Ryzen 9 7945HX3D is $449 cheaper.

FeatureRyzen 7 7800X3DRyzen 9 7945HX3D
MSRP
$449
$0-100%
Performance per Dollar
76.4
Release Date
2023
2023