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

✅Better for gaming: +122.6% higher average FPS across 4 shared CPU benchmark tests.
✅+63.6% larger total L3 cache (18 MB vs 11 MB).
✅Costs $243 less on MSRP ($174 MSRP vs $417 MSRP).
✅Delivers 410.1% more PassMark for each dollar spent, at 112.3 vs 22.0 PassMark/$ ($174 MSRP vs $417 MSRP).
✅Draws 65W instead of 85W, a 20W reduction.

Trade-offs

❌Less compelling for workstation-style loads than Xeon Silver 4108, which brings 8 cores / 16 threads.

Xeon Silver 4108

2017

Why buy it

✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 4 shared CPU benchmark tests.
❌Lower PassMark (9,177 vs 19,532).
❌Smaller total L3 cache (11 MB vs 18 MB).
❌Lower PassMark per dollar, at 22.0 vs 112.3 PassMark/$ ($417 MSRP vs $174 MSRP).
❌30.8% higher power demand at 85W vs 65W.

Core i5-12400F

2022

Xeon Silver 4108

2017

Why buy it

✅Better for gaming: +122.6% higher average FPS across 4 shared CPU benchmark tests.
✅+63.6% larger total L3 cache (18 MB vs 11 MB).
✅Costs $243 less on MSRP ($174 MSRP vs $417 MSRP).
✅Delivers 410.1% more PassMark for each dollar spent, at 112.3 vs 22.0 PassMark/$ ($174 MSRP vs $417 MSRP).
✅Draws 65W instead of 85W, a 20W reduction.

Why buy it

✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads.

Trade-offs

❌Less compelling for workstation-style loads than Xeon Silver 4108, which brings 8 cores / 16 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 4 shared CPU benchmark tests.
❌Lower PassMark (9,177 vs 19,532).
❌Smaller total L3 cache (11 MB vs 18 MB).
❌Lower PassMark per dollar, at 22.0 vs 112.3 PassMark/$ ($417 MSRP vs $174 MSRP).
❌30.8% higher power demand at 85W vs 65W.

Quick Answers

So, is Core i5-12400F better than Xeon Silver 4108?

Not in a simple one-size-fits-all way. Xeon Silver 4108 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, Core i5-12400F is the better pick here. According to our tests, it delivers 122.6% 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, Core i5-12400F is the better fit. You are getting 112.8% better PassMark, backed by 6 cores and 12 threads. It also carries the larger cache pool with 63.6% larger total L3 cache (18 MB vs 11 MB).

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

Core i5-12400F is the smarter buy today. Core i5-12400F is $243 cheaper on MSRP at $174 MSRP versus $417 MSRP, and it gives you a 122.6% average FPS lead across 4 shared CPU game tests in our data. It is also 410.1% better value on MSRP (112.3 vs 22.0 PassMark/$), 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?

Core i5-12400F is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2017), a healthier platform with LGA1700 and DDR5 instead of LGA3647, 63.6% larger total L3 cache (18 MB vs 11 MB), and more multi-core headroom with 6 cores / 12 threads instead of 8/16. 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 Silver 4108 Benchmark Check

Path of Exile 2

Preset	Core i5-12400F	Xeon Silver 4108
1080p
low	183 FPS	169 FPS
medium	168 FPS	134 FPS
high	139 FPS	108 FPS
ultra	119 FPS	87 FPS
1440p
low	153 FPS	138 FPS
medium	132 FPS	107 FPS
high	106 FPS	85 FPS
ultra	89 FPS	68 FPS
4K
low	87 FPS	65 FPS
medium	81 FPS	54 FPS
high	64 FPS	43 FPS
ultra	49 FPS	34 FPS

Open Core i5-12400F Open Xeon Silver 4108

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-12400F	Xeon Silver 4108
1080p
low	471 FPS	124 FPS
medium	397 FPS	110 FPS
high	341 FPS	103 FPS
ultra	301 FPS	82 FPS
1440p
low	407 FPS	110 FPS
medium	351 FPS	100 FPS
high	309 FPS	93 FPS
ultra	265 FPS	75 FPS
4K
low	282 FPS	91 FPS
medium	248 FPS	84 FPS
high	229 FPS	75 FPS
ultra	196 FPS	58 FPS

Open Core i5-12400F Open Xeon Silver 4108

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-12400F	Xeon Silver 4108
1080p
low	488 FPS	229 FPS
medium	488 FPS	229 FPS
high	488 FPS	229 FPS
ultra	488 FPS	229 FPS
1440p
low	488 FPS	229 FPS
medium	488 FPS	229 FPS
high	485 FPS	229 FPS
ultra	434 FPS	229 FPS
4K
low	442 FPS	229 FPS
medium	389 FPS	229 FPS
high	337 FPS	229 FPS
ultra	274 FPS	229 FPS

Open Core i5-12400F Open Xeon Silver 4108

League of Legends

League of Legends

Valorant

Preset	Core i5-12400F	Xeon Silver 4108
1080p
low	488 FPS	229 FPS
medium	488 FPS	229 FPS
high	488 FPS	229 FPS
ultra	488 FPS	229 FPS
1440p
low	488 FPS	229 FPS
medium	488 FPS	229 FPS
high	488 FPS	229 FPS
ultra	473 FPS	229 FPS
4K
low	488 FPS	229 FPS
medium	450 FPS	229 FPS
high	391 FPS	229 FPS
ultra	330 FPS	229 FPS

Open Core i5-12400F Open Xeon Silver 4108

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-12400F and Xeon Silver 4108

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 Silver 4108

The Xeon Silver 4108 is manufactured by Intel. It was released in 11 July 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 16 threads. Base frequency is 1.8 GHz, with boost up to 3 GHz. L3 cache: 11 MB. L2 cache: 8 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 85 Watt. Memory support: DDR4-2400. Passmark benchmark score: 9,177 points. Launch price was $417.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Xeon Silver 4108 offers 8 cores / 16 threads — the Xeon Silver 4108 has 2 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 3 GHz on the Xeon Silver 4108 — a 37.8% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 1.8 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon Silver 4108 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i5-12400F scores 19,532 against the Xeon Silver 4108's 9,177 — a 72.1% lead for the Core i5-12400F. L3 cache: 18 MB (total) on the Core i5-12400F vs 11 MB on the Xeon Silver 4108.

Feature	Core i5-12400F	Xeon Silver 4108
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	4.4 GHz+47%	3 GHz
Base Clock	2.5 GHz+39%	1.8 GHz
L3 Cache	18 MB (total)+64%	11 MB
L2 Cache	1.25 MB (per core)	8 MB+540%
Process	Intel 7 nm-50%	14 nm
Architecture	Alder Lake-S (2022)	Skylake (server) (2017−2018)
PassMark	19,532+113%	9,177
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 Silver 4108 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i5-12400F	Xeon Silver 4108
Socket	LGA1700	LGA3647
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR5-4800, DDR4-3200	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	20	—

🔧

Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i5-12400F) / not specified (Xeon Silver 4108). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

Feature	Core i5-12400F	Xeon Silver 4108
Integrated GPU	No	—
Virtualization	VT-x, VT-d, EPT	—
Target Use	Gaming Performance/Value	—

💰

Value Analysis

The Core i5-12400F launched at $174 MSRP, while the Xeon Silver 4108 debuted at $417. On MSRP ($174 vs $417), the Core i5-12400F is $243 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 22.0 pts/$ for the Xeon Silver 4108 — making the Core i5-12400F the 134.4% better value option.