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 7940HX

2024

Why buy it

✅Better for gaming: +13.1% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (64 MB vs 48 MB).
✅Draws 55W instead of 250W, a 195W reduction.
✅Newer platform on FL1 with DDR5 support instead of LGA4189 and DDR4.
✅Integrated graphics onboard with AMD Radeon 610M, while Xeon Platinum 8358 needs a discrete GPU.

Trade-offs

❌Lower PassMark (53,628 vs 54,416).
❌Less compelling for workstation-style loads than Xeon Platinum 8358, which brings 32 cores / 64 threads and 64 PCIe lanes.

Xeon Platinum 8358

2021

Why buy it

✅+1.5% higher PassMark.
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 28.
✅128.6% more PCIe lanes (64 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7940HX across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (48 MB vs 64 MB).
❌Launch MSRP is still $4,607 MSRP, while Ryzen 9 7940HX mostly shows up through inconsistent older-market listings.
❌354.5% higher power demand at 250W vs 55W.
❌Older platform position on LGA4189 with DDR4, while Ryzen 9 7940HX moves to FL1 and DDR5.

Ryzen 9 7940HX

2024

Xeon Platinum 8358

2021

Why buy it

✅Better for gaming: +13.1% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (64 MB vs 48 MB).
✅Draws 55W instead of 250W, a 195W reduction.
✅Newer platform on FL1 with DDR5 support instead of LGA4189 and DDR4.
✅Integrated graphics onboard with AMD Radeon 610M, while Xeon Platinum 8358 needs a discrete GPU.

Why buy it

✅+1.5% higher PassMark.
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 28.
✅128.6% more PCIe lanes (64 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (53,628 vs 54,416).
❌Less compelling for workstation-style loads than Xeon Platinum 8358, which brings 32 cores / 64 threads and 64 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7940HX across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (48 MB vs 64 MB).
❌Launch MSRP is still $4,607 MSRP, while Ryzen 9 7940HX mostly shows up through inconsistent older-market listings.
❌354.5% higher power demand at 250W vs 55W.
❌Older platform position on LGA4189 with DDR4, while Ryzen 9 7940HX moves to FL1 and DDR5.

Quick Answers

So, is Ryzen 9 7940HX better than Xeon Platinum 8358?

Not in a simple one-size-fits-all way. Xeon Platinum 8358 makes more sense for workstation-style multi-core throughput, while Ryzen 9 7940HX 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 Platinum 8358 is the better fit. You are getting 1.5% better PassMark, backed by 32 cores and 64 threads.

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

Ryzen 9 7940HX is still the faster CPU overall, but Xeon Platinum 8358 makes more sense if price matters more than absolute performance. Ryzen 9 7940HX is at an unclear MSRP at unclear MSRP versus $4,607 MSRP, and it gives you a 13.1% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Xeon Platinum 8358 is still stronger for heavier multi-core work with 1.5% better PassMark. Xeon Platinum 8358 is also 100.0% better value on MSRP (11.8 vs 0.0 PassMark/$), 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 7940HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2021), a healthier platform with FL1 and DDR5 instead of LGA4189, and 33.3% larger total L3 cache (64 MB vs 48 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 7940HX Benchmark Check

Xeon Platinum 8358 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 7940HX	Xeon Platinum 8358
1080p
low	293 FPS	185 FPS
medium	268 FPS	149 FPS
high	217 FPS	120 FPS
ultra	183 FPS	94 FPS
1440p
low	268 FPS	154 FPS
medium	223 FPS	120 FPS
high	169 FPS	93 FPS
ultra	150 FPS	74 FPS
4K
low	186 FPS	72 FPS
medium	154 FPS	60 FPS
high	117 FPS	46 FPS
ultra	105 FPS	38 FPS

Open Ryzen 9 7940HX Open Xeon Platinum 8358

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 7940HX	Xeon Platinum 8358
1080p
low	690 FPS	416 FPS
medium	574 FPS	364 FPS
high	433 FPS	296 FPS
ultra	369 FPS	237 FPS
1440p
low	585 FPS	356 FPS
medium	502 FPS	317 FPS
high	390 FPS	264 FPS
ultra	305 FPS	203 FPS
4K
low	329 FPS	221 FPS
medium	286 FPS	200 FPS
high	253 FPS	169 FPS
ultra	213 FPS	136 FPS

Open Ryzen 9 7940HX Open Xeon Platinum 8358

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 7940HX	Xeon Platinum 8358
1080p
low	888 FPS	984 FPS
medium	708 FPS	858 FPS
high	615 FPS	811 FPS
ultra	531 FPS	720 FPS
1440p
low	714 FPS	787 FPS
medium	570 FPS	676 FPS
high	485 FPS	639 FPS
ultra	416 FPS	567 FPS
4K
low	511 FPS	504 FPS
medium	425 FPS	397 FPS
high	381 FPS	353 FPS
ultra	322 FPS	288 FPS

Open Ryzen 9 7940HX Open Xeon Platinum 8358

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 7940HX	Xeon Platinum 8358
1080p
low	1128 FPS	911 FPS
medium	1006 FPS	828 FPS
high	873 FPS	714 FPS
ultra	768 FPS	615 FPS
1440p
low	898 FPS	712 FPS
medium	788 FPS	625 FPS
high	687 FPS	537 FPS
ultra	583 FPS	460 FPS
4K
low	646 FPS	514 FPS
medium	576 FPS	459 FPS
high	508 FPS	403 FPS
ultra	434 FPS	351 FPS

Open Ryzen 9 7940HX Open Xeon Platinum 8358

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 7940HX and Xeon Platinum 8358

Ryzen 9 7940HX

The Ryzen 9 7940HX is manufactured by AMD. It was released in 2024-01-01. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.4 GHz, with boost up to 5.2 GHz. L3 cache: 64 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. Passmark benchmark score: 53,628 points. Launch price was $600.

Xeon Platinum 8358

The Xeon Platinum 8358 is manufactured by Intel. It was released in 2021-04-06. It is based on the Ice Lake-SP (2021) architecture. It features 32 cores and 64 threads. Base frequency is 2.6 GHz, with boost up to 3.4 GHz. L3 cache: 48 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: 54,416 points. Launch price was $3,950.

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Processing Power

The Ryzen 9 7940HX packs 16 cores / 32 threads, while the Xeon Platinum 8358 offers 32 cores / 64 threads — the Xeon Platinum 8358 has 16 more cores. Boost clocks reach 5.2 GHz on the Ryzen 9 7940HX versus 3.4 GHz on the Xeon Platinum 8358 — a 41.9% clock advantage for the Ryzen 9 7940HX (base: 2.4 GHz vs 2.6 GHz). The Ryzen 9 7940HX uses the Dragon Range-HX (Zen 4) (2023−2024) architecture (5 nm), while the Xeon Platinum 8358 uses Ice Lake-SP (2021) (10 nm). In PassMark, the Ryzen 9 7940HX scores 53,628 against the Xeon Platinum 8358's 54,416 — a 1.5% lead for the Xeon Platinum 8358. L3 cache: 64 MB (total) on the Ryzen 9 7940HX vs 48 MB (total) on the Xeon Platinum 8358.

Feature	Ryzen 9 7940HX	Xeon Platinum 8358
Cores / Threads	16 / 32	32 / 64+100%
Boost Clock	5.2 GHz+53%	3.4 GHz
Base Clock	2.4 GHz	2.6 GHz+8%
L3 Cache	64 MB (total)+33%	48 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	5 nm-50%	10 nm
Architecture	Dragon Range-HX (Zen 4) (2023−2024)	Ice Lake-SP (2021)
PassMark	53,628	54,416+1%

🧠

Memory & Platform

The Ryzen 9 7940HX uses the FL1 socket (PCIe 5.0), while the Xeon Platinum 8358 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5200 on the Ryzen 9 7940HX versus 3200 on the Xeon Platinum 8358 — the Ryzen 9 7940HX supports 47.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8358 supports up to 4096 of RAM compared to 128 — 187.9% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 7940HX) vs 8 (Xeon Platinum 8358). PCIe lanes: 28 (Ryzen 9 7940HX) vs 64 (Xeon Platinum 8358) — the Xeon Platinum 8358 offers 36 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 9 7940HX) and C621A (Xeon Platinum 8358).

Feature	Ryzen 9 7940HX	Xeon Platinum 8358
Socket	FL1	LGA4189
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	5200+63%	3200
Max RAM Capacity	128	4096+3100%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	28	64+129%

🔧

Advanced Features

Only the Ryzen 9 7940HX 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 7940HX) vs VT-x, VT-d (Xeon Platinum 8358). The Ryzen 9 7940HX includes integrated graphics (AMD Radeon 610M), while the Xeon Platinum 8358 requires a dedicated GPU. Direct competitor: Ryzen 9 7940HX rivals Core i9-13900HX; Xeon Platinum 8358 rivals EPYC 7543.