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

✅Better for gaming: +10.9% higher average FPS across 3 shared CPU benchmark tests.
✅Costs $199 less on MSRP ($160 MSRP vs $359 MSRP).
✅Delivers 85.1% more PassMark for each dollar spent, at 81.4 vs 44.0 PassMark/$ ($160 MSRP vs $359 MSRP).
✅Draws 65W instead of 120W, a 55W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (13,029 vs 15,797).
❌Smaller total L3 cache (12 MB vs 15 MB).
❌Older platform position on LGA1200 with DDR4, while Xeon w3-2423 moves to LGA4677 and DDR5.

Xeon w3-2423

2023

Why buy it

✅+21.2% higher PassMark.
✅+25% larger total L3 cache (15 MB vs 12 MB).
✅Newer platform on LGA4677 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-10400F across 3 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 44.0 vs 81.4 PassMark/$ ($359 MSRP vs $160 MSRP).
❌84.6% higher power demand at 120W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Xeon w3-2423

2023

Why buy it

✅Better for gaming: +10.9% higher average FPS across 3 shared CPU benchmark tests.
✅Costs $199 less on MSRP ($160 MSRP vs $359 MSRP).
✅Delivers 85.1% more PassMark for each dollar spent, at 81.4 vs 44.0 PassMark/$ ($160 MSRP vs $359 MSRP).
✅Draws 65W instead of 120W, a 55W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Why buy it

✅+21.2% higher PassMark.
✅+25% larger total L3 cache (15 MB vs 12 MB).
✅Newer platform on LGA4677 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

❌Lower PassMark (13,029 vs 15,797).
❌Smaller total L3 cache (12 MB vs 15 MB).
❌Older platform position on LGA1200 with DDR4, while Xeon w3-2423 moves to LGA4677 and DDR5.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-10400F across 3 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 44.0 vs 81.4 PassMark/$ ($359 MSRP vs $160 MSRP).
❌84.6% higher power demand at 120W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Core i5-10400F 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 i5-10400F 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 w3-2423 is the better fit. You are getting 21.2% better PassMark, backed by 6 cores and 12 threads. It also carries the larger cache pool with 25% larger total L3 cache (15 MB vs 12 MB).

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

Core i5-10400F is the smarter buy today. Core i5-10400F is $199 cheaper on MSRP at $160 MSRP versus $359 MSRP, and it gives you a 10.9% average FPS lead across 3 shared CPU game tests in our data. The trade-off is that Xeon w3-2423 is still stronger for heavier multi-core work with 21.2% better PassMark. It is also 85.1% better value on MSRP (81.4 vs 44.0 PassMark/$), 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 2020), a healthier platform with LGA4677 and DDR5 instead of LGA1200, 25% larger total L3 cache (15 MB vs 12 MB), and more multi-core headroom with 6 cores / 12 threads instead of 6/12. 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 i5-10400F Benchmark Check

Xeon w3-2423 Benchmark Check

Path of Exile 2

Preset	Core i5-10400F	Xeon w3-2423
1080p
low	192 FPS	181 FPS
medium	152 FPS	150 FPS
high	123 FPS	124 FPS
ultra	100 FPS	100 FPS
1440p
low	153 FPS	146 FPS
medium	119 FPS	118 FPS
high	97 FPS	94 FPS
ultra	79 FPS	75 FPS
4K
low	82 FPS	68 FPS
medium	70 FPS	58 FPS
high	55 FPS	46 FPS
ultra	43 FPS	37 FPS

Open Core i5-10400F Open Xeon w3-2423

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-10400F	Xeon w3-2423
1080p
low	326 FPS	171 FPS
medium	318 FPS	149 FPS
high	290 FPS	134 FPS
ultra	253 FPS	117 FPS
1440p
low	326 FPS	152 FPS
medium	292 FPS	135 FPS
high	267 FPS	124 FPS
ultra	234 FPS	106 FPS
4K
low	309 FPS	120 FPS
medium	258 FPS	109 FPS
high	235 FPS	101 FPS
ultra	199 FPS	86 FPS

Open Core i5-10400F Open Xeon w3-2423

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-10400F	Xeon w3-2423
1080p
low	326 FPS	395 FPS
medium	326 FPS	395 FPS
high	326 FPS	395 FPS
ultra	326 FPS	395 FPS
1440p
low	326 FPS	395 FPS
medium	326 FPS	395 FPS
high	326 FPS	395 FPS
ultra	326 FPS	395 FPS
4K
low	326 FPS	395 FPS
medium	326 FPS	395 FPS
high	289 FPS	346 FPS
ultra	229 FPS	277 FPS

Open Core i5-10400F Open Xeon w3-2423

League of Legends

League of Legends

Valorant

Preset	Core i5-10400F	Xeon w3-2423
1080p
low	326 FPS	395 FPS
medium	326 FPS	395 FPS
high	326 FPS	395 FPS
ultra	326 FPS	395 FPS
1440p
low	326 FPS	395 FPS
medium	326 FPS	395 FPS
high	326 FPS	395 FPS
ultra	326 FPS	395 FPS
4K
low	326 FPS	395 FPS
medium	326 FPS	395 FPS
high	326 FPS	395 FPS
ultra	326 FPS	371 FPS

Open Core i5-10400F Open Xeon w3-2423

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-10400F and Xeon w3-2423

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 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 i5-10400F and Xeon w3-2423 share an identical 6-core/12-thread configuration. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 4.2 GHz on the Xeon w3-2423 — a 2.4% clock advantage for the Core i5-10400F (base: 2.9 GHz vs 2.1 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Xeon w3-2423 uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core i5-10400F scores 13,029 against the Xeon w3-2423's 15,797 — a 19.2% lead for the Xeon w3-2423. L3 cache: 12 MB (total) on the Core i5-10400F vs 15 MB on the Xeon w3-2423.

Feature	Core i5-10400F	Xeon w3-2423
Cores / Threads	6 / 12	6 / 12
Boost Clock	4.3 GHz+2%	4.2 GHz
Base Clock	2.9 GHz+38%	2.1 GHz
L3 Cache	12 MB (total)	15 MB+25%
L2 Cache	256K (per core)	2 MB (per core)+700%
Process	14 nm	Intel 7 nm-50%
Architecture	Comet Lake (2020−2025)	Sapphire Rapids (2023−2024)
PassMark	13,029	15,797+21%
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 w3-2423 uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core i5-10400F	Xeon w3-2423
Socket	LGA1200	LGA4677
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i5-10400F) / not specified (Xeon w3-2423). Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

Feature	Core i5-10400F	Xeon w3-2423
Integrated GPU	No	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—
Target Use	Gaming	—

💰

Value Analysis

The Core i5-10400F launched at $160 MSRP, while the Xeon w3-2423 debuted at $359. On MSRP ($160 vs $359), the Core i5-10400F is $199 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 44.0 pts/$ for the Xeon w3-2423 — making the Core i5-10400F the 59.7% better value option.