Core i5-12400F vs Xeon w3-2423

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: +38.6% higher average FPS across 4 shared CPU benchmark tests.
✅+20% larger total L3 cache (18 MB vs 15 MB).
✅Costs $185 less on MSRP ($174 MSRP vs $359 MSRP).
✅Delivers 155.1% more PassMark for each dollar spent, at 112.3 vs 44.0 PassMark/$ ($174 MSRP vs $359 MSRP).
✅Draws 65W instead of 120W, a 55W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Xeon w3-2423

2023

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 4 shared CPU benchmark tests.
❌Lower PassMark (15,797 vs 19,532).
❌Smaller total L3 cache (15 MB vs 18 MB).
❌Lower PassMark per dollar, at 44.0 vs 112.3 PassMark/$ ($359 MSRP vs $174 MSRP).
❌84.6% higher power demand at 120W vs 65W.

Core i5-12400F

2022

Xeon w3-2423

2023

Why buy it

✅Better for gaming: +38.6% higher average FPS across 4 shared CPU benchmark tests.
✅+20% larger total L3 cache (18 MB vs 15 MB).
✅Costs $185 less on MSRP ($174 MSRP vs $359 MSRP).
✅Delivers 155.1% more PassMark for each dollar spent, at 112.3 vs 44.0 PassMark/$ ($174 MSRP vs $359 MSRP).
✅Draws 65W instead of 120W, a 55W reduction.

Why buy it

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 4 shared CPU benchmark tests.
❌Lower PassMark (15,797 vs 19,532).
❌Smaller total L3 cache (15 MB vs 18 MB).
❌Lower PassMark per dollar, at 44.0 vs 112.3 PassMark/$ ($359 MSRP vs $174 MSRP).
❌84.6% higher power demand at 120W vs 65W.

Quick Answers

So, is Core i5-12400F better than Xeon w3-2423?

Not in a simple one-size-fits-all way. Xeon w3-2423 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 38.6% 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 23.6% better PassMark, backed by 6 cores and 12 threads. It also carries the larger cache pool with 20% larger total L3 cache (18 MB vs 15 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 $185 cheaper on MSRP at $174 MSRP versus $359 MSRP, and it gives you a 38.6% average FPS lead across 4 shared CPU game tests in our data. It is also 155.1% better value on MSRP (112.3 vs 44.0 PassMark/$), 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?

Xeon w3-2423 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022). That makes it the safer long-term pick.

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 w3-2423 Benchmark Check

Path of Exile 2

Preset	Core i5-12400F	Xeon w3-2423
1080p
low	183 FPS	181 FPS
medium	168 FPS	150 FPS
high	139 FPS	124 FPS
ultra	119 FPS	100 FPS
1440p
low	153 FPS	146 FPS
medium	132 FPS	118 FPS
high	106 FPS	94 FPS
ultra	89 FPS	75 FPS
4K
low	87 FPS	68 FPS
medium	81 FPS	58 FPS
high	64 FPS	46 FPS
ultra	49 FPS	37 FPS

Open Core i5-12400F Open Xeon w3-2423

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-12400F	Xeon w3-2423
1080p
low	471 FPS	171 FPS
medium	397 FPS	149 FPS
high	341 FPS	134 FPS
ultra	301 FPS	117 FPS
1440p
low	407 FPS	152 FPS
medium	351 FPS	135 FPS
high	309 FPS	124 FPS
ultra	265 FPS	106 FPS
4K
low	282 FPS	120 FPS
medium	248 FPS	109 FPS
high	229 FPS	101 FPS
ultra	196 FPS	86 FPS

Open Core i5-12400F Open Xeon w3-2423

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-12400F	Xeon w3-2423
1080p
low	488 FPS	395 FPS
medium	488 FPS	395 FPS
high	488 FPS	395 FPS
ultra	488 FPS	395 FPS
1440p
low	488 FPS	395 FPS
medium	488 FPS	395 FPS
high	485 FPS	395 FPS
ultra	434 FPS	395 FPS
4K
low	442 FPS	395 FPS
medium	389 FPS	395 FPS
high	337 FPS	346 FPS
ultra	274 FPS	277 FPS

Open Core i5-12400F Open Xeon w3-2423

League of Legends

League of Legends

Valorant

Preset	Core i5-12400F	Xeon w3-2423
1080p
low	488 FPS	395 FPS
medium	488 FPS	395 FPS
high	488 FPS	395 FPS
ultra	488 FPS	395 FPS
1440p
low	488 FPS	395 FPS
medium	488 FPS	395 FPS
high	488 FPS	395 FPS
ultra	473 FPS	395 FPS
4K
low	488 FPS	395 FPS
medium	450 FPS	395 FPS
high	391 FPS	395 FPS
ultra	330 FPS	371 FPS

Open Core i5-12400F Open Xeon w3-2423

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-12400F and Xeon w3-2423

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 w3-2423

The Xeon w3-2423 is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 6 cores and 12 threads. Base frequency is 2.1 GHz, with boost up to 4.2 GHz. L3 cache: 15 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 120 Watt. Memory support: DDR5-4400. Passmark benchmark score: 15,797 points. Launch price was $359.

⚡

Processing Power

Both the Core i5-12400F and Xeon w3-2423 share an identical 6-core/12-thread configuration. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 4.2 GHz on the Xeon w3-2423 — a 4.7% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 2.1 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon w3-2423 uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core i5-12400F scores 19,532 against the Xeon w3-2423's 15,797 — a 21.1% lead for the Core i5-12400F. L3 cache: 18 MB (total) on the Core i5-12400F vs 15 MB on the Xeon w3-2423.

Feature	Core i5-12400F	Xeon w3-2423
Cores / Threads	6 / 12	6 / 12
Boost Clock	4.4 GHz+5%	4.2 GHz
Base Clock	2.5 GHz+19%	2.1 GHz
L3 Cache	18 MB (total)+20%	15 MB
L2 Cache	1.25 MB (per core)	2 MB (per core)+60%
Process	Intel 7 nm	Intel 7 nm
Architecture	Alder Lake-S (2022)	Sapphire Rapids (2023−2024)
PassMark	19,532+24%	15,797
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 w3-2423 uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core i5-12400F	Xeon w3-2423
Socket	LGA1700	LGA4677
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
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 w3-2423). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

Feature	Core i5-12400F	Xeon w3-2423
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 w3-2423 debuted at $359. On MSRP ($174 vs $359), the Core i5-12400F is $185 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 44.0 pts/$ for the Xeon w3-2423 — making the Core i5-12400F the 87.4% better value option.