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 i5-12400F

2022

Why buy it

✅Costs $4,433 less on MSRP ($174 MSRP vs $4,607 MSRP).
✅Delivers 850.4% more PassMark for each dollar spent, at 112.3 vs 11.8 PassMark/$ ($174 MSRP vs $4,607 MSRP).
✅Draws 65W instead of 250W, a 185W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA4189 and DDR4.
✅Includes a boxed cooler (Yes), unlike Xeon Platinum 8358.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Platinum 8358 across 50 shared CPU benchmark tests.
❌Lower PassMark (19,532 vs 54,416).
❌Smaller total L3 cache (18 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

✅Better for gaming: +10.0% higher average FPS across 50 shared CPU benchmark tests.
✅+166.7% larger total L3 cache (48 MB vs 18 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 20.
✅220% more PCIe lanes (64 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 11.8 vs 112.3 PassMark/$ ($4,607 MSRP vs $174 MSRP).
❌284.6% higher power demand at 250W vs 65W.
❌Older platform position on LGA4189 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.
❌No boxed cooler included, unlike Core i5-12400F.

Core i5-12400F

2022

Xeon Platinum 8358

2021

Why buy it

✅Costs $4,433 less on MSRP ($174 MSRP vs $4,607 MSRP).
✅Delivers 850.4% more PassMark for each dollar spent, at 112.3 vs 11.8 PassMark/$ ($174 MSRP vs $4,607 MSRP).
✅Draws 65W instead of 250W, a 185W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA4189 and DDR4.
✅Includes a boxed cooler (Yes), unlike Xeon Platinum 8358.

Why buy it

✅Better for gaming: +10.0% higher average FPS across 50 shared CPU benchmark tests.
✅+166.7% larger total L3 cache (48 MB vs 18 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 20.
✅220% more PCIe lanes (64 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Platinum 8358 across 50 shared CPU benchmark tests.
❌Lower PassMark (19,532 vs 54,416).
❌Smaller total L3 cache (18 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 112.3 PassMark/$ ($4,607 MSRP vs $174 MSRP).
❌284.6% higher power demand at 250W vs 65W.
❌Older platform position on LGA4189 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Xeon Platinum 8358 better than Core i5-12400F?

Not in a simple one-size-fits-all way. Xeon Platinum 8358 makes more sense for workstation-style multi-core throughput, while Core i5-12400F 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, Xeon Platinum 8358 is the better pick here. According to our tests, it delivers 10.0% more average FPS across 50 shared CPU game tests.

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 178.6% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 166.7% larger total L3 cache (48 MB vs 18 MB).

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

Xeon Platinum 8358 is still the faster CPU overall, but Core i5-12400F makes more sense if price matters more than absolute performance. Xeon Platinum 8358 is 2547.7% more expensive on MSRP at $4,607 MSRP versus $174 MSRP, and it gives you a 10.0% average FPS lead across 50 shared CPU game tests in our data. Core i5-12400F is also 850.4% better value on MSRP (112.3 vs 11.8 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Core i5-12400F is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2021) and a healthier platform with LGA1700 and DDR5 instead of LGA4189. 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.

Core i5-12400F Benchmark Check

Xeon Platinum 8358 Benchmark Check

Path of Exile 2

Preset	Core i5-12400F	Xeon Platinum 8358
1080p
low	183 FPS	185 FPS
medium	168 FPS	149 FPS
high	139 FPS	120 FPS
ultra	119 FPS	94 FPS
1440p
low	153 FPS	154 FPS
medium	132 FPS	120 FPS
high	106 FPS	93 FPS
ultra	89 FPS	74 FPS
4K
low	87 FPS	72 FPS
medium	81 FPS	60 FPS
high	64 FPS	46 FPS
ultra	49 FPS	38 FPS

Open Core i5-12400F Open Xeon Platinum 8358

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-12400F	Xeon Platinum 8358
1080p
low	471 FPS	416 FPS
medium	397 FPS	364 FPS
high	341 FPS	296 FPS
ultra	301 FPS	237 FPS
1440p
low	407 FPS	356 FPS
medium	351 FPS	317 FPS
high	309 FPS	264 FPS
ultra	265 FPS	203 FPS
4K
low	282 FPS	221 FPS
medium	248 FPS	200 FPS
high	229 FPS	169 FPS
ultra	196 FPS	136 FPS

Open Core i5-12400F Open Xeon Platinum 8358

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-12400F	Xeon Platinum 8358
1080p
low	488 FPS	984 FPS
medium	488 FPS	858 FPS
high	488 FPS	811 FPS
ultra	488 FPS	720 FPS
1440p
low	488 FPS	787 FPS
medium	488 FPS	676 FPS
high	485 FPS	639 FPS
ultra	434 FPS	567 FPS
4K
low	442 FPS	504 FPS
medium	389 FPS	397 FPS
high	337 FPS	353 FPS
ultra	274 FPS	288 FPS

Open Core i5-12400F Open Xeon Platinum 8358

League of Legends

League of Legends

Valorant

Preset	Core i5-12400F	Xeon Platinum 8358
1080p
low	488 FPS	911 FPS
medium	488 FPS	828 FPS
high	488 FPS	714 FPS
ultra	488 FPS	615 FPS
1440p
low	488 FPS	712 FPS
medium	488 FPS	625 FPS
high	488 FPS	537 FPS
ultra	473 FPS	460 FPS
4K
low	488 FPS	514 FPS
medium	450 FPS	459 FPS
high	391 FPS	403 FPS
ultra	330 FPS	351 FPS

Open Core i5-12400F Open Xeon Platinum 8358

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-12400F and Xeon Platinum 8358

Core i5-12400F

The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.

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.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Xeon Platinum 8358 offers 32 cores / 64 threads — the Xeon Platinum 8358 has 26 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 3.4 GHz on the Xeon Platinum 8358 — a 25.6% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 2.6 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon Platinum 8358 uses Ice Lake-SP (2021) (10 nm). In PassMark, the Core i5-12400F scores 19,532 against the Xeon Platinum 8358's 54,416 — a 94.3% lead for the Xeon Platinum 8358. L3 cache: 18 MB (total) on the Core i5-12400F vs 48 MB (total) on the Xeon Platinum 8358.

Feature	Core i5-12400F	Xeon Platinum 8358
Cores / Threads	6 / 12	32 / 64+433%
Boost Clock	4.4 GHz+29%	3.4 GHz
Base Clock	2.5 GHz	2.6 GHz+4%
L3 Cache	18 MB (total)	48 MB (total)+167%
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm-30%	10 nm
Architecture	Alder Lake-S (2022)	Ice Lake-SP (2021)
PassMark	19,532	54,416+179%
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700	—
Geekbench 6 Multi	657	—

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 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 DDR5-4800, DDR4-3200 on the Core i5-12400F versus 3200 on the Xeon Platinum 8358 — the Xeon Platinum 8358 supports 199.4% 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 i5-12400F) vs 8 (Xeon Platinum 8358). PCIe lanes: 20 (Core i5-12400F) vs 64 (Xeon Platinum 8358) — the Xeon Platinum 8358 offers 44 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and C621A (Xeon Platinum 8358).

Feature	Core i5-12400F	Xeon Platinum 8358
Socket	LGA1700	LGA4189
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR5-4800, DDR4-3200	3200+63900%
Max RAM Capacity	128 GB+3276700%	4096
RAM Channels	2	8+300%
ECC Support	No	Yes
PCIe Lanes	20	64+220%

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs VT-x, VT-d (Xeon Platinum 8358). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Xeon Platinum 8358 rivals EPYC 7543.

Feature	Core i5-12400F	Xeon Platinum 8358
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	—	No
AVX-512	—	Yes
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d
Target Use	Gaming Performance/Value	—

💰

Value Analysis

The Core i5-12400F launched at $174 MSRP, while the Xeon Platinum 8358 debuted at $4607. On MSRP ($174 vs $4607), the Core i5-12400F is $4433 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 11.8 pts/$ for the Xeon Platinum 8358 — making the Core i5-12400F the 161.9% better value option.