Ryzen 9 7900X3D vs Xeon w7-3445

AMD

Ryzen 9 7900X3D

12 Cores24 Thrd120 WWMax: 5.6 GHz2023
Ryzen family
·······
VS
Intel

Xeon w7-3445

20 Cores40 Thrd270 WWMax: 4.8 GHz2023
Similar parts
·······

Ryzen 9 7900X3D vs Xeon w7-3445 Performance Spectrum

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 9 7900X3D vs Xeon w7-3445 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 9 7900X3D vs Xeon w7-3445: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Ryzen 9 7900X3D

2023

Why buy it

  • Better for gaming: +25.0% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $1,390 less on MSRP ($599 MSRP vs $1,989 MSRP).
  • Delivers 240.3% more PassMark for each dollar spent, at 83.8 vs 24.6 PassMark/$ ($599 MSRP vs $1,989 MSRP).
  • Draws 120W instead of 270W, a 150W reduction.
  • Integrated graphics onboard with AMD Radeon Graphics, while Xeon w7-3445 needs a discrete GPU.

Trade-offs

  • Less compelling for workstation-style loads than Xeon w7-3445, which brings 20 cores / 40 threads and 112 PCIe lanes.

Xeon w7-3445

2023

Why buy it

  • Better for workstations and heavier parallel workloads: 20 cores / 40 threads, plus 112 PCIe lanes vs 28.
  • 300% more PCIe lanes (112 vs 28) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 7900X3D across 50 shared CPU benchmark tests.
  • Lower PassMark (48,991 vs 50,213).
  • Lower PassMark per dollar, at 24.6 vs 83.8 PassMark/$ ($1,989 MSRP vs $599 MSRP).
  • 125% higher power demand at 270W vs 120W.
  • No integrated graphics, while Ryzen 9 7900X3D can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 9 7900X3D better than Xeon w7-3445?
Not really, because they are built for different jobs. Xeon w7-3445 makes more sense for workstation-style multi-core throughput, while Ryzen 9 7900X3D is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for gaming?
If gaming is the priority, Ryzen 9 7900X3D is the better pick. According to our tests, it delivers 25.0% more average FPS across 50 shared CPU game tests. It also has a clear cache advantage at 128 MB versus 53 MB.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 9 7900X3D is the stronger fit. You are getting 2.5% better PassMark, backed by 12 cores and 24 threads. It also has 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 7900X3D is the better buy right now. Ryzen 9 7900X3D comes in $1,390 cheaper on MSRP at $599 MSRP versus $1,989 MSRP, and it still gives you a 25.0% average FPS lead across 50 shared CPU game tests in our data. It is also 240.3% better value on MSRP (83.8 vs 24.6 PassMark/$), 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 9 7900X3D makes more sense long term 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 12 cores / 24 threads instead of 20/40. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 9 7900X3D vs Xeon w7-3445 Technical Specifications

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

AMD

Ryzen 9 7900X3D

The Ryzen 9 7900X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (2023−2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.4 GHz, with boost up to 5.6 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 50,213 points. Launch price was $599.

Intel

Xeon w7-3445

The Xeon w7-3445 is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 20 cores and 40 threads. Base frequency is 2.6 GHz, with boost up to 4.8 GHz. L3 cache: 52.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 270 Watt. Memory support: DDR5-4800. Passmark benchmark score: 48,991 points. Launch price was $1,989.

Processing Power

The Ryzen 9 7900X3D packs 12 cores / 24 threads, while the Xeon w7-3445 offers 20 cores / 40 threads — the Xeon w7-3445 has 8 more cores. Boost clocks reach 5.6 GHz on the Ryzen 9 7900X3D versus 4.8 GHz on the Xeon w7-3445 — a 15.4% clock advantage for the Ryzen 9 7900X3D (base: 4.4 GHz vs 2.6 GHz). The Ryzen 9 7900X3D uses the Raphael (2023−2025) architecture (5 nm, 6 nm), while the Xeon w7-3445 uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen 9 7900X3D scores 50,213 against the Xeon w7-3445's 48,991 — a 2.5% lead for the Ryzen 9 7900X3D. L3 cache: 128 MB (total) on the Ryzen 9 7900X3D vs 52.5 MB on the Xeon w7-3445.

FeatureRyzen 9 7900X3DXeon w7-3445
Cores / Threads
12 / 24
20 / 40+67%
Boost Clock
5.6 GHz+17%
4.8 GHz
Base Clock
4.4 GHz+69%
2.6 GHz
L3 Cache
128 MB (total)+144%
52.5 MB
L2 Cache
1 MB (per core)
2 MB (per core)+100%
Process
5 nm, 6 nm-29%
Intel 7 nm
Architecture
Raphael (2023−2025)
Sapphire Rapids (2023−2024)
PassMark
50,213+2%
48,991
🧠

Memory & Platform

The Ryzen 9 7900X3D uses the AM5 socket (PCIe 5.0), while the Xeon w7-3445 uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5200 on the Ryzen 9 7900X3D versus 4800 on the Xeon w7-3445 — the Ryzen 9 7900X3D supports 8.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon w7-3445 supports up to 4096 of RAM compared to 128 3100% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 7900X3D) vs 8 (Xeon w7-3445). PCIe lanes: 28 (Ryzen 9 7900X3D) vs 112 (Xeon w7-3445) — the Xeon w7-3445 offers 84 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (Ryzen 9 7900X3D) and W790 (Xeon w7-3445).

FeatureRyzen 9 7900X3DXeon w7-3445
Socket
AM5
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
112+300%
🔧

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: VT-x, VT-d, AMD-V (Ryzen 9 7900X3D) vs VT-x, VT-d (Xeon w7-3445). The Ryzen 9 7900X3D includes integrated graphics (AMD Radeon Graphics), while the Xeon w7-3445 requires a dedicated GPU. Direct competitor: Ryzen 9 7900X3D rivals Core i7-14700K; Xeon w7-3445 rivals Threadripper PRO 7965WX.

FeatureRyzen 9 7900X3DXeon w7-3445
Integrated GPU
Yes
No
IGPU Model
AMD Radeon Graphics
None
Unlocked
Yes
Yes
AVX-512
Yes
Yes
Virtualization
VT-x, VT-d, AMD-V
VT-x, VT-d
💰

Value Analysis

At launch, the Ryzen 9 7900X3D was priced at $599, while the Xeon w7-3445 came in at $1989. On launch pricing ($599 vs $1989), Ryzen 9 7900X3D was $1390 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 7900X3D delivers 83.8 pts/$ vs 24.6 pts/$ for the Xeon w7-3445 — making the Ryzen 9 7900X3D the 109.2% better value option.

FeatureRyzen 9 7900X3DXeon w7-3445
MSRP
$599-70%
$1989
Performance per Dollar
83.8+241%
24.6
Release Date
2023
2023

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.