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: +23.6% higher average FPS across 4 shared CPU benchmark tests.
✅+77.8% larger total L3 cache (64 MB vs 36 MB).
✅Costs $2,090 less on MSRP ($409 MSRP vs $2,499 MSRP).
✅Delivers 494.4% more PassMark for each dollar spent, at 114.5 vs 19.3 PassMark/$ ($409 MSRP vs $2,499 MSRP).
✅Draws 65W instead of 250W, a 185W reduction.

Trade-offs

❌Lower PassMark (46,828 vs 48,140).
❌Less compelling for workstation-style loads than Xeon W-3345, which brings 24 cores / 48 threads and 128 PCIe lanes.

Xeon W-3345

2021

Why buy it

✅+2.8% higher PassMark.
✅Better for workstations and heavier parallel workloads: 24 cores / 48 threads, plus 128 PCIe lanes vs 28.
✅357.1% more PCIe lanes (128 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 (36 MB vs 64 MB).
❌Lower PassMark per dollar, at 19.3 vs 114.5 PassMark/$ ($2,499 MSRP vs $409 MSRP).
❌284.6% higher power demand at 250W vs 65W.
❌Older platform position on LGA4189 with DDR4, while Ryzen 9 PRO 7945 moves to AM5 and DDR5.

Ryzen 9 PRO 7945

2023

Xeon W-3345

2021

Why buy it

✅Better for gaming: +23.6% higher average FPS across 4 shared CPU benchmark tests.
✅+77.8% larger total L3 cache (64 MB vs 36 MB).
✅Costs $2,090 less on MSRP ($409 MSRP vs $2,499 MSRP).
✅Delivers 494.4% more PassMark for each dollar spent, at 114.5 vs 19.3 PassMark/$ ($409 MSRP vs $2,499 MSRP).
✅Draws 65W instead of 250W, a 185W reduction.

Why buy it

✅+2.8% higher PassMark.
✅Better for workstations and heavier parallel workloads: 24 cores / 48 threads, plus 128 PCIe lanes vs 28.
✅357.1% more PCIe lanes (128 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (46,828 vs 48,140).
❌Less compelling for workstation-style loads than Xeon W-3345, which brings 24 cores / 48 threads and 128 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 PRO 7945 across 4 shared CPU benchmark tests.
❌Smaller total L3 cache (36 MB vs 64 MB).
❌Lower PassMark per dollar, at 19.3 vs 114.5 PassMark/$ ($2,499 MSRP vs $409 MSRP).
❌284.6% higher power demand at 250W vs 65W.
❌Older platform position on LGA4189 with DDR4, while Ryzen 9 PRO 7945 moves to AM5 and DDR5.

Quick Answers

So, is Ryzen 9 PRO 7945 better than Xeon W-3345?

Not in a simple one-size-fits-all way. Xeon W-3345 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-3345 is the better fit. You are getting 2.8% better PassMark, backed by 24 cores and 48 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 $2,090 cheaper on MSRP at $409 MSRP versus $2,499 MSRP, and it gives you a 23.6% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that Xeon W-3345 is still stronger for heavier multi-core work with 2.8% better PassMark. It is also 494.4% better value on MSRP (114.5 vs 19.3 PassMark/$), 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 2021), a healthier platform with AM5 and DDR5 instead of LGA4189, and 77.8% larger total L3 cache (64 MB vs 36 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.

Ryzen 9 PRO 7945 Benchmark Check

Xeon W-3345 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 PRO 7945	Xeon W-3345
1080p
low	269 FPS	194 FPS
medium	244 FPS	155 FPS
high	209 FPS	127 FPS
ultra	183 FPS	98 FPS
1440p
low	260 FPS	159 FPS
medium	212 FPS	124 FPS
high	168 FPS	97 FPS
ultra	151 FPS	77 FPS
4K
low	180 FPS	73 FPS
medium	147 FPS	60 FPS
high	110 FPS	47 FPS
ultra	98 FPS	39 FPS

Open Ryzen 9 PRO 7945 Open Xeon W-3345

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 PRO 7945	Xeon W-3345
1080p
low	660 FPS	497 FPS
medium	567 FPS	431 FPS
high	426 FPS	345 FPS
ultra	368 FPS	285 FPS
1440p
low	555 FPS	425 FPS
medium	495 FPS	376 FPS
high	384 FPS	309 FPS
ultra	306 FPS	245 FPS
4K
low	313 FPS	264 FPS
medium	283 FPS	237 FPS
high	250 FPS	209 FPS
ultra	214 FPS	174 FPS

Open Ryzen 9 PRO 7945 Open Xeon W-3345

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 PRO 7945	Xeon W-3345
1080p
low	1025 FPS	1025 FPS
medium	1118 FPS	973 FPS
high	1041 FPS	914 FPS
ultra	875 FPS	826 FPS
1440p
low	940 FPS	841 FPS
medium	836 FPS	744 FPS
high	754 FPS	699 FPS
ultra	656 FPS	626 FPS
4K
low	574 FPS	540 FPS
medium	495 FPS	444 FPS
high	445 FPS	390 FPS
ultra	378 FPS	320 FPS

Open Ryzen 9 PRO 7945 Open Xeon W-3345

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 PRO 7945	Xeon W-3345
1080p
low	1171 FPS	938 FPS
medium	1015 FPS	847 FPS
high	981 FPS	732 FPS
ultra	854 FPS	635 FPS
1440p
low	1019 FPS	735 FPS
medium	888 FPS	645 FPS
high	762 FPS	554 FPS
ultra	639 FPS	481 FPS
4K
low	754 FPS	534 FPS
medium	658 FPS	477 FPS
high	569 FPS	419 FPS
ultra	437 FPS	362 FPS

Open Ryzen 9 PRO 7945 Open Xeon W-3345

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 PRO 7945 and Xeon W-3345

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.

Xeon W-3345

The Xeon W-3345 is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-W (2021) architecture. It features 24 cores and 48 threads. Base frequency is 3 GHz, with boost up to 4 GHz. L3 cache: 36 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 250 Watt. Memory support: DDR4-3200. Passmark benchmark score: 48,140 points. Launch price was $800.

⚡

Processing Power

The Ryzen 9 PRO 7945 packs 12 cores / 24 threads, while the Xeon W-3345 offers 24 cores / 48 threads — the Xeon W-3345 has 12 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 PRO 7945 versus 4 GHz on the Xeon W-3345 — a 29.8% clock advantage for the Ryzen 9 PRO 7945 (base: 3.7 GHz vs 3 GHz). The Ryzen 9 PRO 7945 uses the Raphael (2023−2025) architecture (5 nm), while the Xeon W-3345 uses Ice Lake-W (2021) (10 nm). In PassMark, the Ryzen 9 PRO 7945 scores 46,828 against the Xeon W-3345's 48,140 — a 2.8% lead for the Xeon W-3345. L3 cache: 64 MB (total) on the Ryzen 9 PRO 7945 vs 36 MB (total) on the Xeon W-3345.

Feature	Ryzen 9 PRO 7945	Xeon W-3345
Cores / Threads	12 / 24	24 / 48+100%
Boost Clock	5.4 GHz+35%	4 GHz
Base Clock	3.7 GHz+23%	3 GHz
L3 Cache	64 MB (total)+78%	36 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	5 nm-50%	10 nm
Architecture	Raphael (2023−2025)	Ice Lake-W (2021)
PassMark	46,828	48,140+3%
Cinebench R23 Multi	28,905	—
Geekbench 6 Single	2,206	—
Geekbench 6 Multi	16,832	—

🧠

Memory & Platform

The Ryzen 9 PRO 7945 uses the AM5 socket (PCIe 5.0), while the Xeon W-3345 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 9 PRO 7945 versus 3200 on the Xeon W-3345 — the Xeon W-3345 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-3345 supports up to 4096 of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 PRO 7945) vs 8 (Xeon W-3345). PCIe lanes: 28 (Ryzen 9 PRO 7945) vs 128 (Xeon W-3345) — the Xeon W-3345 offers 100 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 SP3,C621A (Xeon W-3345).

Feature	Ryzen 9 PRO 7945	Xeon W-3345
Socket	AM5	LGA4189
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-5200	3200+63900%
Max RAM Capacity	128 GB+3276700%	4096
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	28	128+357%

🔧

Advanced Features

Only the Ryzen 9 PRO 7945 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: true (Ryzen 9 PRO 7945) vs VT-x, VT-d (Xeon W-3345). The Ryzen 9 PRO 7945 includes integrated graphics (Radeon Graphics), while the Xeon W-3345 requires a dedicated GPU. Direct competitor: Ryzen 9 PRO 7945 rivals Core i9-13900; Xeon W-3345 rivals Xeon Platinum 8362.

Feature	Ryzen 9 PRO 7945	Xeon W-3345
Integrated GPU	Yes	No
IGPU Model	Radeon Graphics	None
Unlocked	Yes	No
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-3345 debuted at $2499. On MSRP ($409 vs $2499), the Ryzen 9 PRO 7945 is $2090 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 PRO 7945 delivers 114.5 pts/$ vs 19.3 pts/$ for the Xeon W-3345 — making the Ryzen 9 PRO 7945 the 142.4% better value option.