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 $580 less on MSRP ($160 MSRP vs $740 MSRP).
✅Delivers 48.0% more PassMark for each dollar spent, at 81.4 vs 55.0 PassMark/$ ($160 MSRP vs $740 MSRP).
✅Draws 65W instead of 150W, a 85W reduction.
✅Includes a boxed cooler (Yes), unlike Xeon 6515P.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon 6515P across 4 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 40,720).
❌Smaller total L3 cache (12 MB vs 72 MB).
❌Less compelling for workstation-style loads than Xeon 6515P, which brings 16 cores / 32 threads and 88 PCIe lanes.
❌Older platform position on LGA1200 with DDR4, while Xeon 6515P moves to LGA4710 and DDR5.

Xeon 6515P

2025

Why buy it

✅Better for gaming: +68.2% higher average FPS across 4 shared CPU benchmark tests.
✅+500% larger total L3 cache (72 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 88 PCIe lanes vs 16.
✅Newer platform on LGA4710 with DDR5 support instead of LGA1200 and DDR4.
✅450% more PCIe lanes (88 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 55.0 vs 81.4 PassMark/$ ($740 MSRP vs $160 MSRP).
❌130.8% higher power demand at 150W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Xeon 6515P

2025

Why buy it

✅Costs $580 less on MSRP ($160 MSRP vs $740 MSRP).
✅Delivers 48.0% more PassMark for each dollar spent, at 81.4 vs 55.0 PassMark/$ ($160 MSRP vs $740 MSRP).
✅Draws 65W instead of 150W, a 85W reduction.
✅Includes a boxed cooler (Yes), unlike Xeon 6515P.

Why buy it

✅Better for gaming: +68.2% higher average FPS across 4 shared CPU benchmark tests.
✅+500% larger total L3 cache (72 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 88 PCIe lanes vs 16.
✅Newer platform on LGA4710 with DDR5 support instead of LGA1200 and DDR4.
✅450% more PCIe lanes (88 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon 6515P across 4 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 40,720).
❌Smaller total L3 cache (12 MB vs 72 MB).
❌Less compelling for workstation-style loads than Xeon 6515P, which brings 16 cores / 32 threads and 88 PCIe lanes.
❌Older platform position on LGA1200 with DDR4, while Xeon 6515P moves to LGA4710 and DDR5.

Trade-offs

❌Lower PassMark per dollar, at 55.0 vs 81.4 PassMark/$ ($740 MSRP vs $160 MSRP).
❌130.8% higher power demand at 150W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Xeon 6515P better than Core i5-10400F?

Not in a simple one-size-fits-all way. Xeon 6515P 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 6515P is the better pick here. According to our tests, it delivers 68.2% 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 6515P is the better fit. You are getting 212.5% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 500% larger total L3 cache (72 MB vs 12 MB).

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

Xeon 6515P is the smarter buy by a wide margin for a fresh build. Xeon 6515P is 362.5% more expensive on MSRP at $740 MSRP versus $160 MSRP, and it gives you a 68.2% average FPS lead across 4 shared CPU game tests in our data. Core i5-10400F only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2020 platform. Even with 48.0% better value on paper (81.4 vs 55.0 PassMark/$), 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 6515P 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, 500% larger total L3 cache (72 MB vs 12 MB), more multi-core headroom with 16 cores / 32 threads instead of 6/12, and AVX-512 support for heavier modern compute workloads. 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 6515P Benchmark Check

Path of Exile 2

Preset	Core i5-10400F	Xeon 6515P
1080p
low	192 FPS	189 FPS
medium	152 FPS	152 FPS
high	123 FPS	122 FPS
ultra	100 FPS	95 FPS
1440p
low	153 FPS	155 FPS
medium	119 FPS	121 FPS
high	97 FPS	94 FPS
ultra	79 FPS	75 FPS
4K
low	82 FPS	71 FPS
medium	70 FPS	59 FPS
high	55 FPS	46 FPS
ultra	43 FPS	38 FPS

Open Core i5-10400F Open Xeon 6515P

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-10400F	Xeon 6515P
1080p
low	326 FPS	489 FPS
medium	318 FPS	424 FPS
high	290 FPS	338 FPS
ultra	253 FPS	280 FPS
1440p
low	326 FPS	412 FPS
medium	292 FPS	365 FPS
high	267 FPS	301 FPS
ultra	234 FPS	239 FPS
4K
low	309 FPS	256 FPS
medium	258 FPS	230 FPS
high	235 FPS	202 FPS
ultra	199 FPS	168 FPS

Open Core i5-10400F Open Xeon 6515P

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-10400F	Xeon 6515P
1080p
low	326 FPS	940 FPS
medium	326 FPS	821 FPS
high	326 FPS	777 FPS
ultra	326 FPS	690 FPS
1440p
low	326 FPS	743 FPS
medium	326 FPS	640 FPS
high	326 FPS	606 FPS
ultra	326 FPS	539 FPS
4K
low	326 FPS	477 FPS
medium	326 FPS	376 FPS
high	289 FPS	335 FPS
ultra	229 FPS	274 FPS

Open Core i5-10400F Open Xeon 6515P

League of Legends

League of Legends

Valorant

Preset	Core i5-10400F	Xeon 6515P
1080p
low	326 FPS	928 FPS
medium	326 FPS	839 FPS
high	326 FPS	725 FPS
ultra	326 FPS	625 FPS
1440p
low	326 FPS	715 FPS
medium	326 FPS	629 FPS
high	326 FPS	541 FPS
ultra	326 FPS	463 FPS
4K
low	326 FPS	517 FPS
medium	326 FPS	462 FPS
high	326 FPS	406 FPS
ultra	326 FPS	351 FPS

Open Core i5-10400F Open Xeon 6515P

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-10400F and Xeon 6515P

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 6515P

The Xeon 6515P 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 16 cores and 32 threads. Base frequency is 2.3 GHz, with boost up to 3.8 GHz. L3 cache: 72 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 150 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 40,720 points. Launch price was $740.

⚡

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Xeon 6515P offers 16 cores / 32 threads — the Xeon 6515P has 10 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 3.8 GHz on the Xeon 6515P — a 12.3% clock advantage for the Core i5-10400F (base: 2.9 GHz vs 2.3 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Xeon 6515P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the Core i5-10400F scores 13,029 against the Xeon 6515P's 40,720 — a 103% lead for the Xeon 6515P. L3 cache: 12 MB (total) on the Core i5-10400F vs 72 MB (total) on the Xeon 6515P.

Feature	Core i5-10400F	Xeon 6515P
Cores / Threads	6 / 12	16 / 32+167%
Boost Clock	4.3 GHz+13%	3.8 GHz
Base Clock	2.9 GHz+26%	2.3 GHz
L3 Cache	12 MB (total)	72 MB (total)+500%
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	40,720+213%
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 6515P uses LGA4710 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus 6400 on the Xeon 6515P — the Xeon 6515P supports 199.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon 6515P supports up to 4096 of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 2 (Core i5-10400F) vs 8 (Xeon 6515P). PCIe lanes: 16 (Core i5-10400F) vs 88 (Xeon 6515P) — the Xeon 6515P offers 72 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and LGA4710 (Xeon 6515P).

Feature	Core i5-10400F	Xeon 6515P
Socket	LGA1200	LGA4710
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2666	6400+159900%
Max RAM Capacity	128 GB+3276700%	4096
RAM Channels	2	8+300%
ECC Support	No	Yes
PCIe Lanes	16	88+450%

🔧

Advanced Features

Neither processor supports overclocking. Only the Xeon 6515P supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600; Xeon 6515P rivals EPYC 9534.

Feature	Core i5-10400F	Xeon 6515P
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Gaming	—

💰

Value Analysis

The Core i5-10400F launched at $160 MSRP, while the Xeon 6515P debuted at $740. On MSRP ($160 vs $740), the Core i5-10400F is $580 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 55.0 pts/$ for the Xeon 6515P — making the Core i5-10400F the 38.7% better value option.