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 $1,672 less on MSRP ($160 MSRP vs $1,832 MSRP).
✅Delivers 902.6% more PassMark for each dollar spent, at 81.4 vs 8.1 PassMark/$ ($160 MSRP vs $1,832 MSRP).
✅Draws 65W instead of 105W, a 40W reduction.
✅Includes a boxed cooler (Yes), unlike Xeon E5-2658A V3.

Trade-offs

❌Lower PassMark (13,029 vs 14,879).
❌Smaller total L3 cache (12 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon E5-2658A V3, which brings 12 cores / 24 threads and 40 PCIe lanes.

Xeon E5-2658A V3

2015

Why buy it

✅+14.2% higher PassMark.
✅+150% larger total L3 cache (30 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 40 PCIe lanes vs 16.
✅150% more PCIe lanes (40 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 8.1 vs 81.4 PassMark/$ ($1,832 MSRP vs $160 MSRP).
❌61.5% higher power demand at 105W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Xeon E5-2658A V3

2015

Why buy it

✅Costs $1,672 less on MSRP ($160 MSRP vs $1,832 MSRP).
✅Delivers 902.6% more PassMark for each dollar spent, at 81.4 vs 8.1 PassMark/$ ($160 MSRP vs $1,832 MSRP).
✅Draws 65W instead of 105W, a 40W reduction.
✅Includes a boxed cooler (Yes), unlike Xeon E5-2658A V3.

Why buy it

✅+14.2% higher PassMark.
✅+150% larger total L3 cache (30 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 40 PCIe lanes vs 16.
✅150% more PCIe lanes (40 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (13,029 vs 14,879).
❌Smaller total L3 cache (12 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon E5-2658A V3, which brings 12 cores / 24 threads and 40 PCIe lanes.

Trade-offs

❌Lower PassMark per dollar, at 8.1 vs 81.4 PassMark/$ ($1,832 MSRP vs $160 MSRP).
❌61.5% higher power demand at 105W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Core i5-10400F better than Xeon E5-2658A V3?

Not in a simple one-size-fits-all way. Xeon E5-2658A V3 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 E5-2658A V3 is the better fit. You are getting 14.2% better PassMark, backed by 12 cores and 24 threads. It also carries the larger cache pool with 150% larger total L3 cache (30 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 $1,672 cheaper on MSRP at $160 MSRP versus $1,832 MSRP, and it gives you a 1.4% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Xeon E5-2658A V3 is still stronger for heavier multi-core work with 14.2% better PassMark. It is also 902.6% better value on MSRP (81.4 vs 8.1 PassMark/$), 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 2015). 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 E5-2658A V3 Benchmark Check

Path of Exile 2

Preset	Core i5-10400F	Xeon E5-2658A V3
1080p
low	192 FPS	160 FPS
medium	152 FPS	138 FPS
high	123 FPS	112 FPS
ultra	100 FPS	92 FPS
1440p
low	153 FPS	134 FPS
medium	119 FPS	113 FPS
high	97 FPS	89 FPS
ultra	79 FPS	72 FPS
4K
low	82 FPS	62 FPS
medium	70 FPS	56 FPS
high	55 FPS	44 FPS
ultra	43 FPS	35 FPS

Open Core i5-10400F Open Xeon E5-2658A V3

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-10400F	Xeon E5-2658A V3
1080p
low	326 FPS	193 FPS
medium	318 FPS	175 FPS
high	290 FPS	151 FPS
ultra	253 FPS	125 FPS
1440p
low	326 FPS	167 FPS
medium	292 FPS	153 FPS
high	267 FPS	134 FPS
ultra	234 FPS	109 FPS
4K
low	309 FPS	109 FPS
medium	258 FPS	101 FPS
high	235 FPS	89 FPS
ultra	199 FPS	71 FPS

Open Core i5-10400F Open Xeon E5-2658A V3

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-10400F	Xeon E5-2658A V3
1080p
low	326 FPS	372 FPS
medium	326 FPS	372 FPS
high	326 FPS	372 FPS
ultra	326 FPS	366 FPS
1440p
low	326 FPS	372 FPS
medium	326 FPS	372 FPS
high	326 FPS	372 FPS
ultra	326 FPS	330 FPS
4K
low	326 FPS	372 FPS
medium	326 FPS	316 FPS
high	289 FPS	281 FPS
ultra	229 FPS	232 FPS

Open Core i5-10400F Open Xeon E5-2658A V3

League of Legends

League of Legends

Valorant

Preset	Core i5-10400F	Xeon E5-2658A V3
1080p
low	326 FPS	372 FPS
medium	326 FPS	372 FPS
high	326 FPS	372 FPS
ultra	326 FPS	372 FPS
1440p
low	326 FPS	372 FPS
medium	326 FPS	372 FPS
high	326 FPS	372 FPS
ultra	326 FPS	372 FPS
4K
low	326 FPS	372 FPS
medium	326 FPS	372 FPS
high	326 FPS	372 FPS
ultra	326 FPS	324 FPS

Open Core i5-10400F Open Xeon E5-2658A V3

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-10400F and Xeon E5-2658A V3

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 E5-2658A V3

The Xeon E5-2658A V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 2.2 GHz, with boost up to 2.9 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 105 Watt. Memory support: DDR4-2133. Passmark benchmark score: 14,879 points. Launch price was $800.

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Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Xeon E5-2658A V3 offers 12 cores / 24 threads — the Xeon E5-2658A V3 has 6 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 2.9 GHz on the Xeon E5-2658A V3 — a 38.9% clock advantage for the Core i5-10400F (base: 2.9 GHz vs 2.2 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Xeon E5-2658A V3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core i5-10400F scores 13,029 against the Xeon E5-2658A V3's 14,879 — a 13.3% lead for the Xeon E5-2658A V3. L3 cache: 12 MB (total) on the Core i5-10400F vs 30 MB (total) on the Xeon E5-2658A V3.

Feature	Core i5-10400F	Xeon E5-2658A V3
Cores / Threads	6 / 12	12 / 24+100%
Boost Clock	4.3 GHz+48%	2.9 GHz
Base Clock	2.9 GHz+32%	2.2 GHz
L3 Cache	12 MB (total)	30 MB (total)+150%
L2 Cache	256K (per core)	256K (per core)
Process	14 nm-36%	22 nm
Architecture	Comet Lake (2020−2025)	Haswell-EP (2014−2015)
PassMark	13,029	14,879+14%
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 E5-2658A V3 uses LGA2011-3 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR4-2666 memory speed. The Xeon E5-2658A V3 supports up to 768 GB of RAM compared to 128 GB — 142.9% more capacity for professional workloads. Memory channels: 2 (Core i5-10400F) vs 4 (Xeon E5-2658A V3). PCIe lanes: 16 (Core i5-10400F) vs 40 (Xeon E5-2658A V3) — the Xeon E5-2658A V3 offers 24 more lanes for additional GPUs or NVMe drives.

Feature	Core i5-10400F	Xeon E5-2658A V3
Socket	LGA1200	LGA2011-3
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2666	DDR4-2133
Max RAM Capacity	128 GB	768 GB+500%
RAM Channels	2	4+100%
ECC Support	No	Yes
PCIe Lanes	16	40+150%

🔧

Advanced Features

Neither processor supports overclocking. Only the Xeon E5-2658A V3 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, Xeon E5-2658A V3 targets Server. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

Feature	Core i5-10400F	Xeon E5-2658A V3
Integrated GPU	No	No
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Gaming	Server

💰

Value Analysis

The Core i5-10400F launched at $160 MSRP, while the Xeon E5-2658A V3 debuted at $1832. On MSRP ($160 vs $1832), the Core i5-10400F is $1672 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 8.1 pts/$ for the Xeon E5-2658A V3 — making the Core i5-10400F the 163.7% better value option.