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.

Core i7-9700K

2018

Why buy it

✅Costs $4,222 less on MSRP ($385 MSRP vs $4,607 MSRP).
✅Delivers 216.6% more PassMark for each dollar spent, at 37.4 vs 11.8 PassMark/$ ($385 MSRP vs $4,607 MSRP).
✅Draws 95W instead of 250W, a 155W reduction.
✅Integrated graphics onboard with UHD Graphics 630, while Xeon Platinum 8358 needs a discrete GPU.

Trade-offs

❌Lower PassMark (14,397 vs 54,416).
❌Smaller total L3 cache (12 MB vs 48 MB).
❌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

✅+278% higher PassMark.
✅+300% larger total L3 cache (48 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 16.
✅300% more PCIe lanes (64 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 11.8 vs 37.4 PassMark/$ ($4,607 MSRP vs $385 MSRP).
❌163.2% higher power demand at 250W vs 95W.
❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Core i7-9700K

2018

Xeon Platinum 8358

2021

Why buy it

✅Costs $4,222 less on MSRP ($385 MSRP vs $4,607 MSRP).
✅Delivers 216.6% more PassMark for each dollar spent, at 37.4 vs 11.8 PassMark/$ ($385 MSRP vs $4,607 MSRP).
✅Draws 95W instead of 250W, a 155W reduction.
✅Integrated graphics onboard with UHD Graphics 630, while Xeon Platinum 8358 needs a discrete GPU.

Why buy it

✅+278% higher PassMark.
✅+300% larger total L3 cache (48 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 16.
✅300% more PCIe lanes (64 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (14,397 vs 54,416).
❌Smaller total L3 cache (12 MB vs 48 MB).
❌Less compelling for workstation-style loads than Xeon Platinum 8358, which brings 32 cores / 64 threads and 64 PCIe lanes.

Trade-offs

❌Lower PassMark per dollar, at 11.8 vs 37.4 PassMark/$ ($4,607 MSRP vs $385 MSRP).
❌163.2% higher power demand at 250W vs 95W.
❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon Platinum 8358 better than Core i7-9700K?

Not in a simple one-size-fits-all way. Xeon Platinum 8358 makes more sense for workstation-style multi-core throughput, while Core i7-9700K 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 278% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 300% larger total L3 cache (48 MB vs 12 MB).

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

Xeon Platinum 8358 is the smarter buy by a wide margin for a fresh build. Xeon Platinum 8358 is 1096.6% more expensive on MSRP at $4,607 MSRP versus $385 MSRP, and it gives you 278% better PassMark. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2018 platform. Even with 216.6% better value on paper (37.4 vs 11.8 PassMark/$), it really only makes sense as a very cheap stopgap or a niche existing-platform option for someone already on LGA1151.

Which one is more future-proof for 2026 and beyond?

Xeon Platinum 8358 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2018), 300% larger total L3 cache (48 MB vs 12 MB), more multi-core headroom with 32 cores / 64 threads instead of 8/8, and AVX-512 support for heavier modern compute workloads. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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.

Core i7-9700K Benchmark Check

Xeon Platinum 8358 Benchmark Check

Path of Exile 2

Preset	Core i7-9700K	Xeon Platinum 8358
1080p
low	308 FPS	185 FPS
medium	278 FPS	149 FPS
high	231 FPS	120 FPS
ultra	182 FPS	94 FPS
1440p
low	270 FPS	154 FPS
medium	221 FPS	120 FPS
high	178 FPS	93 FPS
ultra	143 FPS	74 FPS
4K
low	170 FPS	72 FPS
medium	140 FPS	60 FPS
high	108 FPS	46 FPS
ultra	95 FPS	38 FPS

Open Core i7-9700K Open Xeon Platinum 8358

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-9700K	Xeon Platinum 8358
1080p
low	360 FPS	416 FPS
medium	321 FPS	364 FPS
high	291 FPS	296 FPS
ultra	259 FPS	237 FPS
1440p
low	324 FPS	356 FPS
medium	282 FPS	317 FPS
high	258 FPS	264 FPS
ultra	225 FPS	203 FPS
4K
low	249 FPS	221 FPS
medium	221 FPS	200 FPS
high	208 FPS	169 FPS
ultra	179 FPS	136 FPS

Open Core i7-9700K Open Xeon Platinum 8358

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-9700K	Xeon Platinum 8358
1080p
low	360 FPS	984 FPS
medium	360 FPS	858 FPS
high	360 FPS	811 FPS
ultra	360 FPS	720 FPS
1440p
low	360 FPS	787 FPS
medium	360 FPS	676 FPS
high	360 FPS	639 FPS
ultra	360 FPS	567 FPS
4K
low	360 FPS	504 FPS
medium	360 FPS	397 FPS
high	360 FPS	353 FPS
ultra	318 FPS	288 FPS

Open Core i7-9700K Open Xeon Platinum 8358

League of Legends

League of Legends

Valorant

Preset	Core i7-9700K	Xeon Platinum 8358
1080p
low	360 FPS	911 FPS
medium	360 FPS	828 FPS
high	360 FPS	714 FPS
ultra	360 FPS	615 FPS
1440p
low	360 FPS	712 FPS
medium	360 FPS	625 FPS
high	360 FPS	537 FPS
ultra	360 FPS	460 FPS
4K
low	360 FPS	514 FPS
medium	360 FPS	459 FPS
high	360 FPS	403 FPS
ultra	360 FPS	351 FPS

Open Core i7-9700K Open Xeon Platinum 8358

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-9700K and Xeon Platinum 8358

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

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 Core i7-9700K packs 8 cores / 8 threads, while the Xeon Platinum 8358 offers 32 cores / 64 threads — the Xeon Platinum 8358 has 24 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 3.4 GHz on the Xeon Platinum 8358 — a 36.1% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 2.6 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Xeon Platinum 8358 uses Ice Lake-SP (2021) (10 nm). In PassMark, the Core i7-9700K scores 14,397 against the Xeon Platinum 8358's 54,416 — a 116.3% lead for the Xeon Platinum 8358. L3 cache: 12 MB (total) on the Core i7-9700K vs 48 MB (total) on the Xeon Platinum 8358.

Feature	Core i7-9700K	Xeon Platinum 8358
Cores / Threads	8 / 8	32 / 64+300%
Boost Clock	4.9 GHz+44%	3.4 GHz
Base Clock	3.6 GHz+38%	2.6 GHz
L3 Cache	12 MB (total)	48 MB (total)+300%
L2 Cache	256K (per core)	1 MB (per core)+300%
Process	14 nm	10 nm-29%
Architecture	Coffee Lake-R (2018−2019)	Ice Lake-SP (2021)
PassMark	14,397	54,416+278%

🧠

Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Xeon Platinum 8358 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus 3200 on the Xeon Platinum 8358 — the Xeon Platinum 8358 supports 199.5% 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 GB — 187.9% more capacity for professional workloads. Memory channels: 2 (Core i7-9700K) vs 8 (Xeon Platinum 8358). PCIe lanes: 16 (Core i7-9700K) vs 64 (Xeon Platinum 8358) — the Xeon Platinum 8358 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and C621A (Xeon Platinum 8358).

Feature	Core i7-9700K	Xeon Platinum 8358
Socket	LGA1151	LGA4189
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	3200+79900%
Max RAM Capacity	128 GB+3276700%	4096
RAM Channels	2	8+300%
ECC Support	No	Yes
PCIe Lanes	16	64+300%

🔧

Advanced Features

Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Platinum 8358 supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Xeon Platinum 8358 requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop. Direct competitor: Xeon Platinum 8358 rivals EPYC 7543.

Feature	Core i7-9700K	Xeon Platinum 8358
Integrated GPU	Yes	No
IGPU Model	UHD Graphics 630	None
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Desktop	—

💰

Value Analysis

The Core i7-9700K launched at $385 MSRP, while the Xeon Platinum 8358 debuted at $4607. On MSRP ($385 vs $4607), the Core i7-9700K is $4222 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 11.8 pts/$ for the Xeon Platinum 8358 — making the Core i7-9700K the 104% better value option.