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 7900

2023

Why buy it

✅+77.8% larger total L3 cache (64 MB vs 36 MB).
✅Costs $2,070 less on MSRP ($429 MSRP vs $2,499 MSRP).
✅Delivers 482.9% more PassMark for each dollar spent, at 112.3 vs 19.3 PassMark/$ ($429 MSRP vs $2,499 MSRP).
✅Draws 65W instead of 250W, a 185W reduction.
✅Newer platform on AM5 with DDR5 support instead of LGA4189 and DDR4.

Trade-offs

❌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

✅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 (48,140 vs 48,168).
❌Smaller total L3 cache (36 MB vs 64 MB).
❌Lower PassMark per dollar, at 19.3 vs 112.3 PassMark/$ ($2,499 MSRP vs $429 MSRP).
❌284.6% higher power demand at 250W vs 65W.
❌Older platform position on LGA4189 with DDR4, while Ryzen 9 7900 moves to AM5 and DDR5.

Ryzen 9 7900

2023

Xeon W-3345

2021

Why buy it

✅+77.8% larger total L3 cache (64 MB vs 36 MB).
✅Costs $2,070 less on MSRP ($429 MSRP vs $2,499 MSRP).
✅Delivers 482.9% more PassMark for each dollar spent, at 112.3 vs 19.3 PassMark/$ ($429 MSRP vs $2,499 MSRP).
✅Draws 65W instead of 250W, a 185W reduction.
✅Newer platform on AM5 with DDR5 support instead of LGA4189 and DDR4.

Why buy it

✅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

❌Less compelling for workstation-style loads than Xeon W-3345, which brings 24 cores / 48 threads and 128 PCIe lanes.

Trade-offs

❌Lower PassMark (48,140 vs 48,168).
❌Smaller total L3 cache (36 MB vs 64 MB).
❌Lower PassMark per dollar, at 19.3 vs 112.3 PassMark/$ ($2,499 MSRP vs $429 MSRP).
❌284.6% higher power demand at 250W vs 65W.
❌Older platform position on LGA4189 with DDR4, while Ryzen 9 7900 moves to AM5 and DDR5.

Quick Answers

So, is Ryzen 9 7900 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 7900 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 7900 is the better pick here. According to our tests, it delivers 1.0% more average FPS across 4 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen 9 7900 is the better fit. You are getting 0.1% better PassMark, backed by 12 cores and 24 threads. It also carries the larger cache pool with 77.8% larger total L3 cache (64 MB vs 36 MB).

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

Ryzen 9 7900 is the smarter buy today. Ryzen 9 7900 is $2,070 cheaper on MSRP at $429 MSRP versus $2,499 MSRP, and it gives you a 1.0% average FPS lead across 4 shared CPU game tests in our data. It is also 482.9% better value on MSRP (112.3 vs 19.3 PassMark/$), 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 7900 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, 77.8% larger total L3 cache (64 MB vs 36 MB), and more multi-core headroom with 12 cores / 24 threads instead of 24/48. 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 7900 Benchmark Check

Xeon W-3345 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 7900	Xeon W-3345
1080p
low	288 FPS	194 FPS
medium	259 FPS	155 FPS
high	218 FPS	127 FPS
ultra	190 FPS	98 FPS
1440p
low	270 FPS	159 FPS
medium	218 FPS	124 FPS
high	170 FPS	97 FPS
ultra	152 FPS	77 FPS
4K
low	187 FPS	73 FPS
medium	151 FPS	60 FPS
high	113 FPS	47 FPS
ultra	101 FPS	39 FPS

Open Ryzen 9 7900 Open Xeon W-3345

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 7900	Xeon W-3345
1080p
low	706 FPS	497 FPS
medium	599 FPS	431 FPS
high	450 FPS	345 FPS
ultra	389 FPS	285 FPS
1440p
low	593 FPS	425 FPS
medium	522 FPS	376 FPS
high	406 FPS	309 FPS
ultra	322 FPS	245 FPS
4K
low	335 FPS	264 FPS
medium	298 FPS	237 FPS
high	264 FPS	209 FPS
ultra	226 FPS	174 FPS

Open Ryzen 9 7900 Open Xeon W-3345

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 7900	Xeon W-3345
1080p
low	876 FPS	1025 FPS
medium	699 FPS	973 FPS
high	608 FPS	914 FPS
ultra	518 FPS	826 FPS
1440p
low	702 FPS	841 FPS
medium	562 FPS	744 FPS
high	481 FPS	699 FPS
ultra	408 FPS	626 FPS
4K
low	499 FPS	540 FPS
medium	414 FPS	444 FPS
high	372 FPS	390 FPS
ultra	312 FPS	320 FPS

Open Ryzen 9 7900 Open Xeon W-3345

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 7900	Xeon W-3345
1080p
low	1125 FPS	938 FPS
medium	987 FPS	847 FPS
high	860 FPS	732 FPS
ultra	765 FPS	635 FPS
1440p
low	892 FPS	735 FPS
medium	774 FPS	645 FPS
high	677 FPS	554 FPS
ultra	580 FPS	481 FPS
4K
low	644 FPS	534 FPS
medium	570 FPS	477 FPS
high	503 FPS	419 FPS
ultra	434 FPS	362 FPS

Open Ryzen 9 7900 Open Xeon W-3345

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 7900 and Xeon W-3345

Ryzen 9 7900

The Ryzen 9 7900 is manufactured by AMD. It was released in 14 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) 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: DDR5-5200. Passmark benchmark score: 48,168 points. Launch price was $429.

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.

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Processing Power

The Ryzen 9 7900 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 7900 versus 4 GHz on the Xeon W-3345 — a 29.8% clock advantage for the Ryzen 9 7900 (base: 3.7 GHz vs 3 GHz). The Ryzen 9 7900 uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the Xeon W-3345 uses Ice Lake-W (2021) (10 nm). In PassMark, the Ryzen 9 7900 scores 48,168 against the Xeon W-3345's 48,140 — a 0.1% lead for the Ryzen 9 7900. L3 cache: 64 MB (total) on the Ryzen 9 7900 vs 36 MB (total) on the Xeon W-3345.

Feature	Ryzen 9 7900	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 (Zen4) (2022−2023)	Ice Lake-W (2021)
PassMark	48,168	48,140
Cinebench R23 Multi	24,600	—
Geekbench 6 Single	2,800	—
Geekbench 6 Multi	18,000	—

🧠

Memory & Platform

The Ryzen 9 7900 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 7900 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 7900) vs 8 (Xeon W-3345). PCIe lanes: 28 (Ryzen 9 7900) 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 7900) and SP3,C621A (Xeon W-3345).

Feature	Ryzen 9 7900	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 7900 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 7900) vs VT-x, VT-d (Xeon W-3345). The Ryzen 9 7900 includes integrated graphics (Radeon Graphics (Raphael)), while the Xeon W-3345 requires a dedicated GPU. Direct competitor: Ryzen 9 7900 rivals Core i9-13900; Xeon W-3345 rivals Xeon Platinum 8362.

Feature	Ryzen 9 7900	Xeon W-3345
Integrated GPU	Yes	No
IGPU Model	Radeon Graphics (Raphael)	None
Unlocked	Yes	No
AVX-512	Yes	Yes
Virtualization	true	VT-x, VT-d

💰

Value Analysis

The Ryzen 9 7900 launched at $429 MSRP, while the Xeon W-3345 debuted at $2499. On MSRP ($429 vs $2499), the Ryzen 9 7900 is $2070 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 7900 delivers 112.3 pts/$ vs 19.3 pts/$ for the Xeon W-3345 — making the Ryzen 9 7900 the 141.4% better value option.