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: +26.8% higher average FPS across 46 shared CPU benchmark tests.
✅Costs $1,340 less on MSRP ($160 MSRP vs $1,500 MSRP).
✅Delivers 1451.5% more PassMark for each dollar spent, at 81.4 vs 5.2 PassMark/$ ($160 MSRP vs $1,500 MSRP).
✅Draws 65W instead of 130W, a 65W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (12 MB vs 18 MB).
❌Less compelling for workstation-style loads than Xeon X7550, which brings 8 cores / 16 threads.

Xeon X7550

2010

Why buy it

✅+50% larger total L3 cache (18 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-10400F across 46 shared CPU benchmark tests.
❌Lower PassMark (7,873 vs 13,029).
❌Lower PassMark per dollar, at 5.2 vs 81.4 PassMark/$ ($1,500 MSRP vs $160 MSRP).
❌100% higher power demand at 130W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Xeon X7550

2010

Why buy it

✅Better for gaming: +26.8% higher average FPS across 46 shared CPU benchmark tests.
✅Costs $1,340 less on MSRP ($160 MSRP vs $1,500 MSRP).
✅Delivers 1451.5% more PassMark for each dollar spent, at 81.4 vs 5.2 PassMark/$ ($160 MSRP vs $1,500 MSRP).
✅Draws 65W instead of 130W, a 65W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Why buy it

✅+50% larger total L3 cache (18 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads.

Trade-offs

❌Smaller total L3 cache (12 MB vs 18 MB).
❌Less compelling for workstation-style loads than Xeon X7550, which brings 8 cores / 16 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-10400F across 46 shared CPU benchmark tests.
❌Lower PassMark (7,873 vs 13,029).
❌Lower PassMark per dollar, at 5.2 vs 81.4 PassMark/$ ($1,500 MSRP vs $160 MSRP).
❌100% higher power demand at 130W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Core i5-10400F better than Xeon X7550?

Not in a simple one-size-fits-all way. Xeon X7550 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, Core i5-10400F is the better pick here. According to our tests, it delivers 26.8% more average FPS across 46 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i5-10400F is the better fit. You are getting 65.5% better PassMark, backed by 6 cores and 12 threads.

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

Core i5-10400F is the smarter buy today. Core i5-10400F is $1,340 cheaper on MSRP at $160 MSRP versus $1,500 MSRP, and it gives you a 26.8% average FPS lead across 46 shared CPU game tests in our data. It is also 1451.5% better value on MSRP (81.4 vs 5.2 PassMark/$), 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 i5-10400F is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2010) and more multi-core headroom with 6 cores / 12 threads instead of 8/16. 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 X7550 Benchmark Check

Path of Exile 2

Preset	Core i5-10400F	Xeon X7550
1080p
low	192 FPS	169 FPS
medium	152 FPS	134 FPS
high	123 FPS	109 FPS
ultra	100 FPS	87 FPS
1440p
low	153 FPS	138 FPS
medium	119 FPS	108 FPS
high	97 FPS	86 FPS
ultra	79 FPS	68 FPS
4K
low	82 FPS	65 FPS
medium	70 FPS	55 FPS
high	55 FPS	43 FPS
ultra	43 FPS	34 FPS

Open Core i5-10400F Open Xeon X7550

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-10400F	Xeon X7550
1080p
low	326 FPS	187 FPS
medium	318 FPS	167 FPS
high	290 FPS	144 FPS
ultra	253 FPS	118 FPS
1440p
low	326 FPS	161 FPS
medium	292 FPS	147 FPS
high	267 FPS	127 FPS
ultra	234 FPS	103 FPS
4K
low	309 FPS	105 FPS
medium	258 FPS	96 FPS
high	235 FPS	85 FPS
ultra	199 FPS	68 FPS

Open Core i5-10400F Open Xeon X7550

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-10400F	Xeon X7550
1080p
low	326 FPS	197 FPS
medium	326 FPS	197 FPS
high	326 FPS	197 FPS
ultra	326 FPS	197 FPS
1440p
low	326 FPS	197 FPS
medium	326 FPS	197 FPS
high	326 FPS	197 FPS
ultra	326 FPS	197 FPS
4K
low	326 FPS	197 FPS
medium	326 FPS	197 FPS
high	289 FPS	197 FPS
ultra	229 FPS	197 FPS

Open Core i5-10400F Open Xeon X7550

League of Legends

League of Legends

Valorant

Preset	Core i5-10400F	Xeon X7550
1080p
low	326 FPS	197 FPS
medium	326 FPS	197 FPS
high	326 FPS	197 FPS
ultra	326 FPS	197 FPS
1440p
low	326 FPS	197 FPS
medium	326 FPS	197 FPS
high	326 FPS	197 FPS
ultra	326 FPS	197 FPS
4K
low	326 FPS	197 FPS
medium	326 FPS	197 FPS
high	326 FPS	197 FPS
ultra	326 FPS	197 FPS

Open Core i5-10400F Open Xeon X7550

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-10400F and Xeon X7550

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 X7550

The Xeon X7550 is manufactured by Intel. It was released in 2015-01-01. It features 8 cores and 16 threads. Base frequency is 2 GHz, with boost up to 2.4 GHz. L3 cache: 18 MB L3 Cache. Built on 45 nm process technology. Socket: LGA1567. Thermal design power (TDP): 130 Watt. Memory support: DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066. Passmark benchmark score: 7,873 points. Launch price was $800.

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Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Xeon X7550 offers 8 cores / 16 threads — the Xeon X7550 has 2 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 2.4 GHz on the Xeon X7550 — a 56.7% clock advantage for the Core i5-10400F (base: 2.9 GHz vs 2 GHz). The Core i5-10400F is built on the Comet Lake (2020−2025) architecture. In PassMark, the Core i5-10400F scores 13,029 against the Xeon X7550's 7,873 — a 49.3% lead for the Core i5-10400F. L3 cache: 12 MB (total) on the Core i5-10400F vs 18 MB L3 Cache on the Xeon X7550.

Feature	Core i5-10400F	Xeon X7550
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	4.3 GHz+79%	2.4 GHz
Base Clock	2.9 GHz+45%	2 GHz
L3 Cache	12 MB (total)	18 MB L3 Cache+50%
L2 Cache	256K (per core)	—
Process	14 nm-69%	45 nm
Architecture	Comet Lake (2020−2025)	—
PassMark	13,029+65%	7,873
Cinebench R23 Multi	8,191	—
Geekbench 6 Single	1,454	—
Geekbench 6 Multi	5,783	—

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Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Xeon X7550 uses LGA1567 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus DDR3-1333 on the Xeon X7550 — the Core i5-10400F supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 2 (Core i5-10400F) vs 4 (Xeon X7550). Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and Nehalem-EX (Xeon X7550).

Feature	Core i5-10400F	Xeon X7550
Socket	LGA1200	LGA1567
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2666+33%	DDR3-1333
Max RAM Capacity	128 GB	—
RAM Channels	2	4+100%
ECC Support	No	Yes
PCIe Lanes	16	—

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core i5-10400F) vs VT-x, VT-d, EPT (Xeon X7550). Primary use case: Core i5-10400F targets Gaming, Xeon X7550 targets Server. Direct competitor: Core i5-10400F rivals Ryzen 5 3600; Xeon X7550 rivals Core i7-980X.

Feature	Core i5-10400F	Xeon X7550
Integrated GPU	No	No
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x, VT-d, EPT
Target Use	Gaming	Server

💰

Value Analysis

The Core i5-10400F launched at $160 MSRP, while the Xeon X7550 debuted at $1500. On MSRP ($160 vs $1500), the Core i5-10400F is $1340 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 5.2 pts/$ for the Xeon X7550 — making the Core i5-10400F the 175.8% better value option.