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 7945HX3D

2023

Why buy it

✅Better for gaming: +28.4% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 55W instead of 195W, a 140W reduction.
✅Integrated graphics onboard with AMD Radeon 610M, while Xeon Gold 6423N needs a discrete GPU.

Trade-offs

❌Less compelling for workstation-style loads than Xeon Gold 6423N, which brings 28 cores / 56 threads and 80 PCIe lanes.

Xeon Gold 6423N

2023

Why buy it

✅Better for workstations and heavier parallel workloads: 28 cores / 56 threads, plus 80 PCIe lanes vs 28.
✅185.7% more PCIe lanes (80 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7945HX3D across 50 shared CPU benchmark tests.
❌Lower PassMark (57,434 vs 57,803).
❌Launch MSRP is still $2,161 MSRP, while Ryzen 9 7945HX3D mostly shows up through inconsistent older-market listings.
❌254.5% higher power demand at 195W vs 55W.
❌No integrated graphics, while Ryzen 9 7945HX3D can still boot and troubleshoot without a discrete GPU.

Ryzen 9 7945HX3D

2023

Xeon Gold 6423N

2023

Why buy it

✅Better for gaming: +28.4% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 55W instead of 195W, a 140W reduction.
✅Integrated graphics onboard with AMD Radeon 610M, while Xeon Gold 6423N needs a discrete GPU.

Why buy it

✅Better for workstations and heavier parallel workloads: 28 cores / 56 threads, plus 80 PCIe lanes vs 28.
✅185.7% more PCIe lanes (80 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Less compelling for workstation-style loads than Xeon Gold 6423N, which brings 28 cores / 56 threads and 80 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7945HX3D across 50 shared CPU benchmark tests.
❌Lower PassMark (57,434 vs 57,803).
❌Launch MSRP is still $2,161 MSRP, while Ryzen 9 7945HX3D mostly shows up through inconsistent older-market listings.
❌254.5% higher power demand at 195W vs 55W.
❌No integrated graphics, while Ryzen 9 7945HX3D can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 9 7945HX3D better than Xeon Gold 6423N?

Not in a simple one-size-fits-all way. Xeon Gold 6423N makes more sense for workstation-style multi-core throughput, while Ryzen 9 7945HX3D is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 7945HX3D is the better pick here. According to our tests, it delivers 28.4% more average FPS across 50 shared CPU game tests. It also has a big cache advantage at 128 MB vs 53 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 0.6% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 143.8% larger total L3 cache (128 MB vs 53 MB).

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

Ryzen 9 7945HX3D is still the faster CPU overall, but Xeon Gold 6423N makes more sense if price matters more than absolute performance. Ryzen 9 7945HX3D is at an unclear MSRP at unclear MSRP versus $2,161 MSRP, and it gives you a 28.4% average FPS lead across 50 shared CPU game tests in our data. Xeon Gold 6423N is also 100.0% better value on MSRP (26.6 vs 0.0 PassMark/$), 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 7945HX3D is the more future-proof choice for 2026 and beyond. You are getting 3D V-Cache and a much larger 128 MB L3 cache instead of 53 MB and more multi-core headroom with 16 cores / 32 threads instead of 28/56. That extra cache should hold up really well in CPU-limited games and high-refresh builds.

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 7945HX3D Benchmark Check

Xeon Gold 6423N Benchmark Check

Path of Exile 2

Preset	Ryzen 9 7945HX3D	Xeon Gold 6423N
1080p
low	279 FPS	194 FPS
medium	257 FPS	157 FPS
high	210 FPS	127 FPS
ultra	178 FPS	100 FPS
1440p
low	263 FPS	157 FPS
medium	220 FPS	123 FPS
high	169 FPS	96 FPS
ultra	149 FPS	76 FPS
4K
low	183 FPS	72 FPS
medium	152 FPS	60 FPS
high	116 FPS	47 FPS
ultra	103 FPS	38 FPS

Open Ryzen 9 7945HX3D Open Xeon Gold 6423N

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 7945HX3D	Xeon Gold 6423N
1080p
low	673 FPS	237 FPS
medium	580 FPS	211 FPS
high	432 FPS	175 FPS
ultra	363 FPS	142 FPS
1440p
low	559 FPS	199 FPS
medium	499 FPS	181 FPS
high	385 FPS	155 FPS
ultra	301 FPS	120 FPS
4K
low	314 FPS	124 FPS
medium	284 FPS	115 FPS
high	250 FPS	101 FPS
ultra	211 FPS	82 FPS

Open Ryzen 9 7945HX3D Open Xeon Gold 6423N

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 7945HX3D	Xeon Gold 6423N
1080p
low	1025 FPS	945 FPS
medium	1077 FPS	827 FPS
high	1022 FPS	782 FPS
ultra	875 FPS	693 FPS
1440p
low	884 FPS	748 FPS
medium	805 FPS	645 FPS
high	740 FPS	610 FPS
ultra	647 FPS	541 FPS
4K
low	539 FPS	480 FPS
medium	464 FPS	379 FPS
high	418 FPS	337 FPS
ultra	355 FPS	275 FPS

Open Ryzen 9 7945HX3D Open Xeon Gold 6423N

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 7945HX3D	Xeon Gold 6423N
1080p
low	1051 FPS	924 FPS
medium	951 FPS	835 FPS
high	833 FPS	719 FPS
ultra	745 FPS	621 FPS
1440p
low	831 FPS	713 FPS
medium	736 FPS	628 FPS
high	645 FPS	538 FPS
ultra	555 FPS	460 FPS
4K
low	607 FPS	515 FPS
medium	544 FPS	461 FPS
high	482 FPS	404 FPS
ultra	416 FPS	349 FPS

Open Ryzen 9 7945HX3D Open Xeon Gold 6423N

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 7945HX3D and Xeon Gold 6423N

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.

Xeon Gold 6423N

The Xeon Gold 6423N is manufactured by Intel. It was released in 2023-07-01. It features 28 cores and 56 threads. Base frequency is 2 GHz, with boost up to 3.6 GHz. L3 cache: 52.5 MB. Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 195 Watt. Memory support: DDR5-4400. Passmark benchmark score: 57,434 points. Launch price was $2,161.

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Processing Power

The Ryzen 9 7945HX3D packs 16 cores / 32 threads, while the Xeon Gold 6423N offers 28 cores / 56 threads — the Xeon Gold 6423N has 12 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 7945HX3D versus 3.6 GHz on the Xeon Gold 6423N — a 40% clock advantage for the Ryzen 9 7945HX3D (base: 2.3 GHz vs 2 GHz). The Ryzen 9 7945HX3D is built on the Dragon Range-HX (Zen 4) (2023−2024) architecture. In PassMark, the Ryzen 9 7945HX3D scores 57,803 against the Xeon Gold 6423N's 57,434 — a 0.6% lead for the Ryzen 9 7945HX3D. L3 cache: 128 MB (total) on the Ryzen 9 7945HX3D vs 52.5 MB on the Xeon Gold 6423N.

Feature	Ryzen 9 7945HX3D	Xeon Gold 6423N
Cores / Threads	16 / 32	28 / 56+75%
Boost Clock	5.4 GHz+50%	3.6 GHz
Base Clock	2.3 GHz+15%	2 GHz
L3 Cache	128 MB (total)+144%	52.5 MB
L2 Cache	1 MB (per core)	—
Process	5 nm-29%	Intel 7 nm
Architecture	Dragon Range-HX (Zen 4) (2023−2024)	—
PassMark	57,803	57,434

🧠

Memory & Platform

The Ryzen 9 7945HX3D uses the FL1 socket (PCIe 5.0), while the Xeon Gold 6423N uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5200 on the Ryzen 9 7945HX3D versus 4800 on the Xeon Gold 6423N — the Ryzen 9 7945HX3D supports 8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6423N supports up to 4096 of RAM compared to 128 — 187.9% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 7945HX3D) vs 8 (Xeon Gold 6423N). PCIe lanes: 28 (Ryzen 9 7945HX3D) vs 80 (Xeon Gold 6423N) — the Xeon Gold 6423N offers 52 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 9 7945HX3D) and C741 (Xeon Gold 6423N).

Feature	Ryzen 9 7945HX3D	Xeon Gold 6423N
Socket	FL1	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	5200+8%	4800
Max RAM Capacity	128	4096+3100%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	28	80+186%

🔧

Advanced Features

Only the Ryzen 9 7945HX3D 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. Virtualization support: VT-x, VT-d, AMD-V (Ryzen 9 7945HX3D) vs VT-x, VT-d (Xeon Gold 6423N). The Ryzen 9 7945HX3D includes integrated graphics (AMD Radeon 610M), while the Xeon Gold 6423N requires a dedicated GPU. Direct competitor: Ryzen 9 7945HX3D rivals Core Ultra 9 285HX; Xeon Gold 6423N rivals EPYC 9354.

Feature	Ryzen 9 7945HX3D	Xeon Gold 6423N
Integrated GPU	Yes	No
IGPU Model	AMD Radeon 610M	None
Unlocked	Yes	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d, AMD-V	VT-x, VT-d

💰

Value Analysis

The Ryzen 9 7945HX3D launched at $0 MSRP, while the Xeon Gold 6423N debuted at $2161. On MSRP ($0 vs $2161), the Ryzen 9 7945HX3D is $2161 cheaper.