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 $8,800 less on MSRP ($160 MSRP vs $8,960 MSRP).
✅Delivers 518.6% more PassMark for each dollar spent, at 81.4 vs 13.2 PassMark/$ ($160 MSRP vs $8,960 MSRP).
✅Draws 65W instead of 350W, a 285W reduction.
✅Includes a boxed cooler (Yes), unlike Xeon 6781P.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon 6781P across 4 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 117,946).
❌Less compelling for workstation-style loads than Xeon 6781P, which brings 80 cores / 160 threads and 136 PCIe lanes.
❌Older platform position on LGA1200 with DDR4, while Xeon 6781P moves to LGA4710 and DDR5.

Xeon 6781P

2025

Why buy it

✅Better for gaming: +55.4% higher average FPS across 4 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 80 cores / 160 threads, plus 136 PCIe lanes vs 16.
✅Newer platform on LGA4710 with DDR5 support instead of LGA1200 and DDR4.
✅750% more PCIe lanes (136 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 13.2 vs 81.4 PassMark/$ ($8,960 MSRP vs $160 MSRP).
❌438.5% higher power demand at 350W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Xeon 6781P

2025

Why buy it

✅Costs $8,800 less on MSRP ($160 MSRP vs $8,960 MSRP).
✅Delivers 518.6% more PassMark for each dollar spent, at 81.4 vs 13.2 PassMark/$ ($160 MSRP vs $8,960 MSRP).
✅Draws 65W instead of 350W, a 285W reduction.
✅Includes a boxed cooler (Yes), unlike Xeon 6781P.

Why buy it

✅Better for gaming: +55.4% higher average FPS across 4 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 80 cores / 160 threads, plus 136 PCIe lanes vs 16.
✅Newer platform on LGA4710 with DDR5 support instead of LGA1200 and DDR4.
✅750% more PCIe lanes (136 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon 6781P across 4 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 117,946).
❌Less compelling for workstation-style loads than Xeon 6781P, which brings 80 cores / 160 threads and 136 PCIe lanes.
❌Older platform position on LGA1200 with DDR4, while Xeon 6781P moves to LGA4710 and DDR5.

Trade-offs

❌Lower PassMark per dollar, at 13.2 vs 81.4 PassMark/$ ($8,960 MSRP vs $160 MSRP).
❌438.5% higher power demand at 350W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Xeon 6781P better than Core i5-10400F?

Not in a simple one-size-fits-all way. Xeon 6781P 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 6781P is the better pick here. According to our tests, it delivers 55.4% more average FPS across 4 shared CPU game tests. It also has a big cache advantage at 336 MB vs 12 MB.

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

For streaming, content creation, and heavier multitasking, Xeon 6781P is the better fit. You are getting 805.3% better PassMark, backed by 80 cores and 160 threads. It also carries the larger cache pool with 2700% larger total L3 cache (336 MB vs 12 MB).

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

Xeon 6781P is the smarter buy by a wide margin for a fresh build. Xeon 6781P is 5500.0% more expensive on MSRP at $8,960 MSRP versus $160 MSRP, and it gives you a 55.4% average FPS lead across 4 shared CPU game tests in our data. Core i5-10400F only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2020 platform. Even with 518.6% better value on paper (81.4 vs 13.2 PassMark/$), it really only makes sense as a very cheap stopgap or a niche existing-platform option for someone already on LGA1200.

Which one is more future-proof for 2026 and beyond?

Xeon 6781P is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2020), a healthier platform with LGA4710 and DDR5 instead of LGA1200, 3D V-Cache and a much larger 336 MB L3 cache instead of 12 MB, and more multi-core headroom with 80 cores / 160 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 6781P Benchmark Check

Path of Exile 2

Preset	Core i5-10400F	Xeon 6781P
1080p
low	192 FPS	187 FPS
medium	152 FPS	165 FPS
high	123 FPS	131 FPS
ultra	100 FPS	106 FPS
1440p
low	153 FPS	155 FPS
medium	119 FPS	131 FPS
high	97 FPS	100 FPS
ultra	79 FPS	82 FPS
4K
low	82 FPS	70 FPS
medium	70 FPS	63 FPS
high	55 FPS	49 FPS
ultra	43 FPS	40 FPS

Open Core i5-10400F Open Xeon 6781P

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-10400F	Xeon 6781P
1080p
low	326 FPS	285 FPS
medium	318 FPS	252 FPS
high	290 FPS	208 FPS
ultra	253 FPS	171 FPS
1440p
low	326 FPS	233 FPS
medium	292 FPS	210 FPS
high	267 FPS	178 FPS
ultra	234 FPS	142 FPS
4K
low	309 FPS	144 FPS
medium	258 FPS	133 FPS
high	235 FPS	120 FPS
ultra	199 FPS	100 FPS

Open Core i5-10400F Open Xeon 6781P

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-10400F	Xeon 6781P
1080p
low	326 FPS	849 FPS
medium	326 FPS	768 FPS
high	326 FPS	730 FPS
ultra	326 FPS	641 FPS
1440p
low	326 FPS	737 FPS
medium	326 FPS	662 FPS
high	326 FPS	626 FPS
ultra	326 FPS	558 FPS
4K
low	326 FPS	493 FPS
medium	326 FPS	402 FPS
high	289 FPS	364 FPS
ultra	229 FPS	303 FPS

Open Core i5-10400F Open Xeon 6781P

League of Legends

League of Legends

Valorant

Preset	Core i5-10400F	Xeon 6781P
1080p
low	326 FPS	958 FPS
medium	326 FPS	864 FPS
high	326 FPS	745 FPS
ultra	326 FPS	644 FPS
1440p
low	326 FPS	783 FPS
medium	326 FPS	684 FPS
high	326 FPS	587 FPS
ultra	326 FPS	502 FPS
4K
low	326 FPS	562 FPS
medium	326 FPS	505 FPS
high	326 FPS	447 FPS
ultra	326 FPS	386 FPS

Open Core i5-10400F Open Xeon 6781P

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-10400F and Xeon 6781P

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 6781P

The Xeon 6781P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 80 cores and 160 threads. Base frequency is 2 GHz, with boost up to 3.8 GHz. L3 cache: 336 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 350 Watt. Memory support: DDR5(6400MT/s), MRDIMM(8800MT/s). Passmark benchmark score: 117,946 points. Launch price was $8,960.

⚡

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Xeon 6781P offers 80 cores / 160 threads — the Xeon 6781P has 74 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 3.8 GHz on the Xeon 6781P — a 12.3% clock advantage for the Core i5-10400F (base: 2.9 GHz vs 2 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Xeon 6781P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the Core i5-10400F scores 13,029 against the Xeon 6781P's 117,946 — a 160.2% lead for the Xeon 6781P. L3 cache: 12 MB (total) on the Core i5-10400F vs 336 MB (total) on the Xeon 6781P.

Feature	Core i5-10400F	Xeon 6781P
Cores / Threads	6 / 12	80 / 160+1233%
Boost Clock	4.3 GHz+13%	3.8 GHz
Base Clock	2.9 GHz+45%	2 GHz
L3 Cache	12 MB (total)	336 MB (total)+2700%
L2 Cache	256K (per core)	2 MB (per core)+700%
Process	14 nm	Intel 3 nm-79%
Architecture	Comet Lake (2020−2025)	Granite Rapids (2024−2025)
PassMark	13,029	117,946+805%
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 6781P uses LGA4710 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus DDR5-6400 on the Xeon 6781P — the Xeon 6781P supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-10400F supports up to 128 GB of RAM compared to 4 TB — 187.9% more capacity for professional workloads. Memory channels: 2 (Core i5-10400F) vs 8 (Xeon 6781P). PCIe lanes: 16 (Core i5-10400F) vs 136 (Xeon 6781P) — the Xeon 6781P offers 120 more lanes for additional GPUs or NVMe drives.

Feature	Core i5-10400F	Xeon 6781P
Socket	LGA1200	LGA4710
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	DDR5-6400+25%
Max RAM Capacity	128 GB	4 TB+3100%
RAM Channels	2	8+300%
ECC Support	No	Yes
PCIe Lanes	16	136+750%

🔧

Advanced Features

Virtualization support: VT-x, VT-d (Core i5-10400F) vs VT-x, VT-d, VT-x EPT (Xeon 6781P). Primary use case: Core i5-10400F targets Gaming, Xeon 6781P targets Data Center / Cloud Scale. Direct competitor: Core i5-10400F rivals Ryzen 5 3600; Xeon 6781P rivals EPYC 9655.

Feature	Core i5-10400F	Xeon 6781P
Integrated GPU	No	No
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	VT-x, VT-d, VT-x EPT
Target Use	Gaming	Data Center / Cloud Scale

💰

Value Analysis

The Core i5-10400F launched at $160 MSRP, while the Xeon 6781P debuted at $8960. On MSRP ($160 vs $8960), the Core i5-10400F is $8800 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 13.2 pts/$ for the Xeon 6781P — making the Core i5-10400F the 144.3% better value option.