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 i5-10400F

2020

Why buy it

✅Costs $4,447 less on MSRP ($160 MSRP vs $4,607 MSRP).
✅Delivers 589.4% more PassMark for each dollar spent, at 81.4 vs 11.8 PassMark/$ ($160 MSRP vs $4,607 MSRP).
✅Draws 65W instead of 250W, a 185W reduction.
✅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 (13,029 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

✅Better for gaming: +29.6% higher average FPS across 50 shared CPU benchmark tests.
✅+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 81.4 PassMark/$ ($4,607 MSRP vs $160 MSRP).
❌284.6% higher power demand at 250W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Xeon Platinum 8358

2021

Why buy it

✅Costs $4,447 less on MSRP ($160 MSRP vs $4,607 MSRP).
✅Delivers 589.4% more PassMark for each dollar spent, at 81.4 vs 11.8 PassMark/$ ($160 MSRP vs $4,607 MSRP).
✅Draws 65W instead of 250W, a 185W reduction.
✅Includes a boxed cooler (Yes), unlike Xeon Platinum 8358.

Why buy it

✅Better for gaming: +29.6% higher average FPS across 50 shared CPU benchmark tests.
✅+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

❌Worse for gaming: lower average FPS than Xeon Platinum 8358 across 50 shared CPU benchmark tests.
❌Lower PassMark (13,029 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 81.4 PassMark/$ ($4,607 MSRP vs $160 MSRP).
❌284.6% higher power demand at 250W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Xeon Platinum 8358 better than Core i5-10400F?

Not in a simple one-size-fits-all way. Xeon Platinum 8358 makes more sense for workstation-style multi-core throughput, while Core i5-10400F 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 29.6% 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 317.7% 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 still the faster CPU overall, but Core i5-10400F makes more sense if price matters more than absolute performance. Xeon Platinum 8358 is 2779.4% more expensive on MSRP at $4,607 MSRP versus $160 MSRP, and it gives you a 29.6% average FPS lead across 50 shared CPU game tests in our data. Core i5-10400F is also 589.4% better value on MSRP (81.4 vs 11.8 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Xeon Platinum 8358 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020), 300% larger total L3 cache (48 MB vs 12 MB), more multi-core headroom with 32 cores / 64 threads instead of 6/12, 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 i5-10400F Benchmark Check

Xeon Platinum 8358 Benchmark Check

Path of Exile 2

Preset	Core i5-10400F	Xeon Platinum 8358
1080p
low	192 FPS	185 FPS
medium	152 FPS	149 FPS
high	123 FPS	120 FPS
ultra	100 FPS	94 FPS
1440p
low	153 FPS	154 FPS
medium	119 FPS	120 FPS
high	97 FPS	93 FPS
ultra	79 FPS	74 FPS
4K
low	82 FPS	72 FPS
medium	70 FPS	60 FPS
high	55 FPS	46 FPS
ultra	43 FPS	38 FPS

Open Core i5-10400F Open Xeon Platinum 8358

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-10400F	Xeon Platinum 8358
1080p
low	326 FPS	416 FPS
medium	318 FPS	364 FPS
high	290 FPS	296 FPS
ultra	253 FPS	237 FPS
1440p
low	326 FPS	356 FPS
medium	292 FPS	317 FPS
high	267 FPS	264 FPS
ultra	234 FPS	203 FPS
4K
low	309 FPS	221 FPS
medium	258 FPS	200 FPS
high	235 FPS	169 FPS
ultra	199 FPS	136 FPS

Open Core i5-10400F Open Xeon Platinum 8358

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-10400F	Xeon Platinum 8358
1080p
low	326 FPS	984 FPS
medium	326 FPS	858 FPS
high	326 FPS	811 FPS
ultra	326 FPS	720 FPS
1440p
low	326 FPS	787 FPS
medium	326 FPS	676 FPS
high	326 FPS	639 FPS
ultra	326 FPS	567 FPS
4K
low	326 FPS	504 FPS
medium	326 FPS	397 FPS
high	289 FPS	353 FPS
ultra	229 FPS	288 FPS

Open Core i5-10400F Open Xeon Platinum 8358

League of Legends

League of Legends

Valorant

Preset	Core i5-10400F	Xeon Platinum 8358
1080p
low	326 FPS	911 FPS
medium	326 FPS	828 FPS
high	326 FPS	714 FPS
ultra	326 FPS	615 FPS
1440p
low	326 FPS	712 FPS
medium	326 FPS	625 FPS
high	326 FPS	537 FPS
ultra	326 FPS	460 FPS
4K
low	326 FPS	514 FPS
medium	326 FPS	459 FPS
high	326 FPS	403 FPS
ultra	326 FPS	351 FPS

Open Core i5-10400F Open Xeon Platinum 8358

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-10400F and Xeon Platinum 8358

Core i5-10400F

The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.

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 i5-10400F 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 4.3 GHz on the Core i5-10400F versus 3.4 GHz on the Xeon Platinum 8358 — a 23.4% clock advantage for the Core i5-10400F (base: 2.9 GHz vs 2.6 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Xeon Platinum 8358 uses Ice Lake-SP (2021) (10 nm). In PassMark, the Core i5-10400F scores 13,029 against the Xeon Platinum 8358's 54,416 — a 122.7% lead for the Xeon Platinum 8358. L3 cache: 12 MB (total) on the Core i5-10400F vs 48 MB (total) on the Xeon Platinum 8358.

Feature	Core i5-10400F	Xeon Platinum 8358
Cores / Threads	6 / 12	32 / 64+433%
Boost Clock	4.3 GHz+26%	3.4 GHz
Base Clock	2.9 GHz+12%	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	Comet Lake (2020−2025)	Ice Lake-SP (2021)
PassMark	13,029	54,416+318%
Cinebench R23 Multi	8,191	—
Geekbench 6 Single	1,454	—
Geekbench 6 Multi	5,783	—

🧠

Memory & Platform

The Core i5-10400F uses the LGA1200 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 i5-10400F 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 i5-10400F) vs 8 (Xeon Platinum 8358). PCIe lanes: 16 (Core i5-10400F) vs 64 (Xeon Platinum 8358) — the Xeon Platinum 8358 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and C621A (Xeon Platinum 8358).

Feature	Core i5-10400F	Xeon Platinum 8358
Socket	LGA1200	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

Neither processor supports overclocking. Only the Xeon Platinum 8358 supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600; Xeon Platinum 8358 rivals EPYC 7543.

Feature	Core i5-10400F	Xeon Platinum 8358
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Gaming	—

💰

Value Analysis

The Core i5-10400F launched at $160 MSRP, while the Xeon Platinum 8358 debuted at $4607. On MSRP ($160 vs $4607), the Core i5-10400F is $4447 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 11.8 pts/$ for the Xeon Platinum 8358 — making the Core i5-10400F the 149.3% better value option.