Ryzen 9 PRO 7945 vs Xeon W-3175X

AMD

Ryzen 9 PRO 7945

12 Cores24 Thrd65 WWMax: 5.4 GHz2023

Popular choices:

VS
Intel

Xeon W-3175X

28 Cores56 Thrd255 WWMax: 3.8 GHz2018

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 9 PRO 7945

2023

Why buy it

  • Better for gaming: +27.5% higher average FPS across 4 shared CPU benchmark tests.
  • +66.2% larger total L3 cache (64 MB vs 39 MB).
  • Costs $2,590 less on MSRP ($409 MSRP vs $2,999 MSRP).
  • Delivers 644.4% more PassMark for each dollar spent, at 114.5 vs 15.4 PassMark/$ ($409 MSRP vs $2,999 MSRP).
  • Draws 65W instead of 255W, a 190W reduction.

Trade-offs

  • Lower Cinebench R23 multi-core (28,905 vs 31,350).
  • Less compelling for workstation-style loads than Xeon W-3175X, which brings 28 cores / 56 threads and 48 PCIe lanes.

Xeon W-3175X

2018

Why buy it

  • +8.5% higher Cinebench R23 multi-core.
  • Better for workstations and heavier parallel workloads: 28 cores / 56 threads, plus 48 PCIe lanes vs 28.
  • 71.4% more PCIe lanes (48 vs 28) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 PRO 7945 across 4 shared CPU benchmark tests.
  • Smaller total L3 cache (39 MB vs 64 MB).
  • Lower PassMark per dollar, at 15.4 vs 114.5 PassMark/$ ($2,999 MSRP vs $409 MSRP).
  • 292.3% higher power demand at 255W vs 65W.
  • Older platform position on LGA3647 with DDR4, while Ryzen 9 PRO 7945 moves to AM5 and DDR5.

Quick Answers

So, is Ryzen 9 PRO 7945 better than Xeon W-3175X?
Not in a simple one-size-fits-all way. Xeon W-3175X makes more sense for workstation-style multi-core throughput, while Ryzen 9 PRO 7945 is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon W-3175X is the better fit. You are getting 8.5% better Cinebench R23 multi-core, backed by 28 cores and 56 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 PRO 7945 is the smarter buy today. Ryzen 9 PRO 7945 is $2,590 cheaper on MSRP at $409 MSRP versus $2,999 MSRP, and it gives you a 27.5% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that Xeon W-3175X is still stronger for heavier multi-core work with 8.5% better Cinebench R23 multi-core. It is also 644.4% better value on MSRP (114.5 vs 15.4 PassMark/$), 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 9 PRO 7945 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2018), a healthier platform with AM5 and DDR5 instead of LGA3647, and 66.2% larger total L3 cache (64 MB vs 39 MB). 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 9 PRO 7945Xeon W-3175X
1080p
low269 FPS195 FPS
medium244 FPS157 FPS
high209 FPS128 FPS
ultra183 FPS99 FPS
1440p
low260 FPS160 FPS
medium212 FPS125 FPS
high168 FPS97 FPS
ultra151 FPS77 FPS
4K
low180 FPS73 FPS
medium147 FPS60 FPS
high110 FPS47 FPS
ultra98 FPS39 FPS
Counter-Strike 2

Counter-Strike 2

PresetRyzen 9 PRO 7945Xeon W-3175X
1080p
low660 FPS443 FPS
medium567 FPS387 FPS
high426 FPS316 FPS
ultra368 FPS260 FPS
1440p
low555 FPS382 FPS
medium495 FPS336 FPS
high384 FPS278 FPS
ultra306 FPS221 FPS
4K
low313 FPS238 FPS
medium283 FPS211 FPS
high250 FPS187 FPS
ultra214 FPS154 FPS
League of Legends

League of Legends

PresetRyzen 9 PRO 7945Xeon W-3175X
1080p
low1025 FPS1018 FPS
medium1118 FPS908 FPS
high1041 FPS877 FPS
ultra875 FPS790 FPS
1440p
low940 FPS734 FPS
medium836 FPS634 FPS
high754 FPS602 FPS
ultra656 FPS538 FPS
4K
low574 FPS469 FPS
medium495 FPS369 FPS
high445 FPS329 FPS
ultra378 FPS270 FPS
Valorant

Valorant

PresetRyzen 9 PRO 7945Xeon W-3175X
1080p
low1171 FPS938 FPS
medium1015 FPS850 FPS
high981 FPS735 FPS
ultra854 FPS639 FPS
1440p
low1019 FPS743 FPS
medium888 FPS650 FPS
high762 FPS559 FPS
ultra639 FPS479 FPS
4K
low754 FPS536 FPS
medium658 FPS476 FPS
high569 FPS419 FPS
ultra437 FPS363 FPS

Technical Specifications

Side-by-side comparison of Ryzen 9 PRO 7945 and Xeon W-3175X

AMD

Ryzen 9 PRO 7945

The Ryzen 9 PRO 7945 is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Raphael (2023−2025) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 46,828 points. Launch price was $499.

Intel

Xeon W-3175X

The Xeon W-3175X is manufactured by Intel. It was released in 19 December 2018 (6 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 28 cores and 56 threads. Base frequency is 3.1 GHz, with boost up to 3.8 GHz. L3 cache: 38.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 255 Watt. Memory support: DDR4-2666. Passmark benchmark score: 46,125 points. Launch price was $2,999.

Processing Power

The Ryzen 9 PRO 7945 packs 12 cores / 24 threads, while the Xeon W-3175X offers 28 cores / 56 threads — the Xeon W-3175X has 16 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 PRO 7945 versus 3.8 GHz on the Xeon W-3175X — a 34.8% clock advantage for the Ryzen 9 PRO 7945 (base: 3.7 GHz vs 3.1 GHz). The Ryzen 9 PRO 7945 uses the Raphael (2023−2025) architecture (5 nm), while the Xeon W-3175X uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Ryzen 9 PRO 7945 scores 46,828 against the Xeon W-3175X's 46,125 — a 1.5% lead for the Ryzen 9 PRO 7945. Cinebench R23 multi-core: 28,905 vs 31,350 (8.1% advantage for the Xeon W-3175X). Geekbench 6 single-core — the metric most relevant to gaming — records 2,206 vs 1,467, a 40.2% lead for the Ryzen 9 PRO 7945 that directly translates to higher frame rates. Multi-core Geekbench: 16,832 vs 17,358 (3.1% advantage for the Xeon W-3175X). L3 cache: 64 MB (total) on the Ryzen 9 PRO 7945 vs 38.5 MB (total) on the Xeon W-3175X.

FeatureRyzen 9 PRO 7945Xeon W-3175X
Cores / Threads
12 / 24
28 / 56+133%
Boost Clock
5.4 GHz+42%
3.8 GHz
Base Clock
3.7 GHz+19%
3.1 GHz
L3 Cache
64 MB (total)+66%
38.5 MB (total)
L2 Cache
1 MB (per core)
1 MB (per core)
Process
5 nm-64%
14 nm
Architecture
Raphael (2023−2025)
Skylake (server) (2017−2018)
PassMark
46,828+2%
46,125
Cinebench R23 Multi
28,905
31,350+8%
Geekbench 6 Single
2,206+50%
1,467
Geekbench 6 Multi
16,832
17,358+3%
🧠

Memory & Platform

The Ryzen 9 PRO 7945 uses the AM5 socket (PCIe 5.0), while the Xeon W-3175X uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 9 PRO 7945 versus DDR4-2666 on the Xeon W-3175X — the Ryzen 9 PRO 7945 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-3175X supports up to 512 GB of RAM compared to 128 GB 120% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 PRO 7945) vs 6 (Xeon W-3175X). PCIe lanes: 28 (Ryzen 9 PRO 7945) vs 48 (Xeon W-3175X) — the Xeon W-3175X offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD X670E,AMD X670,AMD B650E,AMD B650,AMD A620 (Ryzen 9 PRO 7945) and Intel C621 (Xeon W-3175X).

FeatureRyzen 9 PRO 7945Xeon W-3175X
Socket
AM5
LGA3647
PCIe Generation
PCIe 5.0+67%
PCIe 3.0
Max RAM Speed
DDR5-5200+25%
DDR4-2666
Max RAM Capacity
128 GB
512 GB+300%
RAM Channels
2
6+200%
ECC Support
Yes
Yes
PCIe Lanes
28
48+71%
🔧

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: true (Ryzen 9 PRO 7945) vs VT-x, VT-d (Xeon W-3175X). The Ryzen 9 PRO 7945 includes integrated graphics (Radeon Graphics), while the Xeon W-3175X requires a dedicated GPU. Direct competitor: Ryzen 9 PRO 7945 rivals Core i9-13900.

FeatureRyzen 9 PRO 7945Xeon W-3175X
Integrated GPU
Yes
No
IGPU Model
Radeon Graphics
Unlocked
Yes
Yes
AVX-512
Yes
Yes
Virtualization
true
VT-x, VT-d
💰

Value Analysis

The Ryzen 9 PRO 7945 launched at $409 MSRP, while the Xeon W-3175X debuted at $2999. On MSRP ($409 vs $2999), the Ryzen 9 PRO 7945 is $2590 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 PRO 7945 delivers 114.5 pts/$ vs 15.4 pts/$ for the Xeon W-3175X — making the Ryzen 9 PRO 7945 the 152.6% better value option.

FeatureRyzen 9 PRO 7945Xeon W-3175X
MSRP
$409-86%
$2999
Performance per Dollar
114.5+644%
15.4
Release Date
2023
2018