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 $1,280 less on MSRP ($160 MSRP vs $1,440 MSRP).
✅Delivers 462.2% more PassMark for each dollar spent, at 81.4 vs 14.5 PassMark/$ ($160 MSRP vs $1,440 MSRP).
✅Draws 65W instead of 140W, a 75W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Xeon W-2155.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W-2155 across 4 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 20,858).
❌Less compelling for workstation-style loads than Xeon W-2155, which brings 10 cores / 20 threads.

Xeon W-2155

2017

Why buy it

✅Better for gaming: +36.6% higher average FPS across 4 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 10 cores / 20 threads.

Trade-offs

❌Lower PassMark per dollar, at 14.5 vs 81.4 PassMark/$ ($1,440 MSRP vs $160 MSRP).
❌115.4% higher power demand at 140W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Xeon W-2155

2017

Why buy it

✅Costs $1,280 less on MSRP ($160 MSRP vs $1,440 MSRP).
✅Delivers 462.2% more PassMark for each dollar spent, at 81.4 vs 14.5 PassMark/$ ($160 MSRP vs $1,440 MSRP).
✅Draws 65W instead of 140W, a 75W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Xeon W-2155.

Why buy it

✅Better for gaming: +36.6% higher average FPS across 4 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 10 cores / 20 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W-2155 across 4 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 20,858).
❌Less compelling for workstation-style loads than Xeon W-2155, which brings 10 cores / 20 threads.

Trade-offs

❌Lower PassMark per dollar, at 14.5 vs 81.4 PassMark/$ ($1,440 MSRP vs $160 MSRP).
❌115.4% higher power demand at 140W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Xeon W-2155 better than Core i5-10400F?

Not in a simple one-size-fits-all way. Xeon W-2155 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 W-2155 is the better pick here. According to our tests, it delivers 36.6% 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, Xeon W-2155 is the better fit. You are getting 60.1% better PassMark, backed by 10 cores and 20 threads.

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

Xeon W-2155 is still the faster CPU overall, but Core i5-10400F makes more sense if price matters more than absolute performance. Xeon W-2155 is 800.0% more expensive on MSRP at $1,440 MSRP versus $160 MSRP, and it gives you a 36.6% average FPS lead across 4 shared CPU game tests in our data. Core i5-10400F is also 462.2% better value on MSRP (81.4 vs 14.5 PassMark/$), 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 i5-10400F is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2017). 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 i5-10400F Benchmark Check

Xeon W-2155 Benchmark Check

Path of Exile 2

Preset	Core i5-10400F	Xeon W-2155
1080p
low	192 FPS	166 FPS
medium	152 FPS	144 FPS
high	123 FPS	117 FPS
ultra	100 FPS	99 FPS
1440p
low	153 FPS	141 FPS
medium	119 FPS	120 FPS
high	97 FPS	97 FPS
ultra	79 FPS	81 FPS
4K
low	82 FPS	76 FPS
medium	70 FPS	70 FPS
high	55 FPS	55 FPS
ultra	43 FPS	43 FPS

Open Core i5-10400F Open Xeon W-2155

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-10400F	Xeon W-2155
1080p
low	326 FPS	327 FPS
medium	318 FPS	282 FPS
high	290 FPS	260 FPS
ultra	253 FPS	232 FPS
1440p
low	326 FPS	291 FPS
medium	292 FPS	253 FPS
high	267 FPS	236 FPS
ultra	234 FPS	206 FPS
4K
low	309 FPS	229 FPS
medium	258 FPS	202 FPS
high	235 FPS	192 FPS
ultra	199 FPS	163 FPS

Open Core i5-10400F Open Xeon W-2155

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-10400F	Xeon W-2155
1080p
low	326 FPS	521 FPS
medium	326 FPS	521 FPS
high	326 FPS	521 FPS
ultra	326 FPS	521 FPS
1440p
low	326 FPS	521 FPS
medium	326 FPS	521 FPS
high	326 FPS	521 FPS
ultra	326 FPS	521 FPS
4K
low	326 FPS	508 FPS
medium	326 FPS	426 FPS
high	289 FPS	379 FPS
ultra	229 FPS	312 FPS

Open Core i5-10400F Open Xeon W-2155

League of Legends

League of Legends

Valorant

Preset	Core i5-10400F	Xeon W-2155
1080p
low	326 FPS	521 FPS
medium	326 FPS	521 FPS
high	326 FPS	521 FPS
ultra	326 FPS	521 FPS
1440p
low	326 FPS	521 FPS
medium	326 FPS	521 FPS
high	326 FPS	521 FPS
ultra	326 FPS	521 FPS
4K
low	326 FPS	521 FPS
medium	326 FPS	521 FPS
high	326 FPS	521 FPS
ultra	326 FPS	437 FPS

Open Core i5-10400F Open Xeon W-2155

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-10400F and Xeon W-2155

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 W-2155

The Xeon W-2155 is manufactured by Intel. It was released in 29 August 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 10 cores and 20 threads. Base frequency is 3.3 GHz, with boost up to 4.5 GHz. L3 cache: 13.75 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 140 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666. Passmark benchmark score: 20,858 points. Launch price was $1,440.

⚡

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Xeon W-2155 offers 10 cores / 20 threads — the Xeon W-2155 has 4 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 4.5 GHz on the Xeon W-2155 — a 4.5% clock advantage for the Xeon W-2155 (base: 2.9 GHz vs 3.3 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Xeon W-2155 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i5-10400F scores 13,029 against the Xeon W-2155's 20,858 — a 46.2% lead for the Xeon W-2155. L3 cache: 12 MB (total) on the Core i5-10400F vs 13.75 MB (total) on the Xeon W-2155.

Feature	Core i5-10400F	Xeon W-2155
Cores / Threads	6 / 12	10 / 20+67%
Boost Clock	4.3 GHz	4.5 GHz+5%
Base Clock	2.9 GHz	3.3 GHz+14%
L3 Cache	12 MB (total)	13.75 MB (total)+15%
L2 Cache	256K (per core)	1 MB (per core)+300%
Process	14 nm	14 nm
Architecture	Comet Lake (2020−2025)	Skylake (server) (2017−2018)
PassMark	13,029	20,858+60%
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 W-2155 uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i5-10400F	Xeon W-2155
Socket	LGA1200	LGA2066
PCIe Generation	PCIe 3.0	PCIe 3.0
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 W-2155). Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

Feature	Core i5-10400F	Xeon W-2155
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 W-2155 debuted at $1440. On MSRP ($160 vs $1440), the Core i5-10400F is $1280 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 14.5 pts/$ for the Xeon W-2155 — making the Core i5-10400F the 139.6% better value option.