Core i5-10400F vs Xeon E5-4667 v3

Intel

Core i5-10400F

6 Cores12 Thrd65 WWMax: 4.3 GHz2020

Popular choices:

VS
Intel

Xeon E5-4667 v3

16 Cores32 Thrd135 WWMax: 2.9 GHz2015

Popular choices:

Performance Spectrum - CPU

About PassMark

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

  • Draws 65W instead of 135W, a 70W reduction.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Includes a boxed cooler (Yes), unlike Xeon E5-4667 v3.

Trade-offs

  • Worse for gaming: lower average FPS than Xeon E5-4667 v3 across 50 shared CPU benchmark tests.
  • Lower PassMark (13,029 vs 15,397).
  • Smaller total L3 cache (12 MB vs 40 MB).
  • Less compelling for workstation-style loads than Xeon E5-4667 v3, which brings 16 cores / 32 threads.
  • Lower PassMark per dollar, at 81.4 vs 120.3 PassMark/$ ($160 MSRP vs $128 MSRP).

Xeon E5-4667 v3

2015

Why buy it

  • Better for gaming: +7.3% higher average FPS across 50 shared CPU benchmark tests.
  • +233.3% larger total L3 cache (40 MB vs 12 MB).
  • Better for workstations and heavier parallel workloads: 16 cores / 32 threads.
  • Costs $32 less on MSRP ($128 MSRP vs $160 MSRP).
  • Delivers 47.7% more PassMark for each dollar spent, at 120.3 vs 81.4 PassMark/$ ($128 MSRP vs $160 MSRP).

Trade-offs

  • 107.7% higher power demand at 135W vs 65W.
  • No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Xeon E5-4667 v3 better than Core i5-10400F?
Not in a simple one-size-fits-all way. Xeon E5-4667 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 gaming?
If gaming is the priority, Xeon E5-4667 v3 is the better pick here. According to our tests, it delivers 7.3% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon E5-4667 v3 is the better fit. You are getting 18.2% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 233.3% larger total L3 cache (40 MB vs 12 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Xeon E5-4667 v3 is the smarter buy today. Xeon E5-4667 v3 is $32 cheaper on MSRP at $128 MSRP versus $160 MSRP, and it gives you a 7.3% average FPS lead across 50 shared CPU game tests in our data. It is also 47.7% better value on MSRP (120.3 vs 81.4 PassMark/$), 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.

Path of Exile 2

Path of Exile 2

PresetCore i5-10400FXeon E5-4667 v3
1080p
low192 FPS175 FPS
medium152 FPS151 FPS
high123 FPS119 FPS
ultra100 FPS96 FPS
1440p
low153 FPS147 FPS
medium119 FPS123 FPS
high97 FPS94 FPS
ultra79 FPS76 FPS
4K
low82 FPS68 FPS
medium70 FPS61 FPS
high55 FPS47 FPS
ultra43 FPS38 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i5-10400FXeon E5-4667 v3
1080p
low326 FPS212 FPS
medium318 FPS193 FPS
high290 FPS164 FPS
ultra253 FPS132 FPS
1440p
low326 FPS183 FPS
medium292 FPS166 FPS
high267 FPS143 FPS
ultra234 FPS112 FPS
4K
low309 FPS115 FPS
medium258 FPS106 FPS
high235 FPS94 FPS
ultra199 FPS74 FPS
League of Legends

League of Legends

PresetCore i5-10400FXeon E5-4667 v3
1080p
low326 FPS385 FPS
medium326 FPS385 FPS
high326 FPS385 FPS
ultra326 FPS385 FPS
1440p
low326 FPS385 FPS
medium326 FPS385 FPS
high326 FPS385 FPS
ultra326 FPS385 FPS
4K
low326 FPS385 FPS
medium326 FPS359 FPS
high289 FPS324 FPS
ultra229 FPS270 FPS
Valorant

Valorant

PresetCore i5-10400FXeon E5-4667 v3
1080p
low326 FPS385 FPS
medium326 FPS385 FPS
high326 FPS385 FPS
ultra326 FPS385 FPS
1440p
low326 FPS385 FPS
medium326 FPS385 FPS
high326 FPS385 FPS
ultra326 FPS385 FPS
4K
low326 FPS385 FPS
medium326 FPS385 FPS
high326 FPS385 FPS
ultra326 FPS358 FPS

Technical Specifications

Side-by-side comparison of Core i5-10400F and Xeon E5-4667 v3

Intel

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.

Intel

Xeon E5-4667 v3

The Xeon E5-4667 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 16 cores and 32 threads. Base frequency is 2 GHz, with boost up to 2.9 GHz. L3 cache: 40 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 135 Watt. Memory support: DDR4. Passmark benchmark score: 15,397 points. Launch price was $800.

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Xeon E5-4667 v3 offers 16 cores / 32 threads — the Xeon E5-4667 v3 has 10 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 2.9 GHz on the Xeon E5-4667 v3 — a 38.9% 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 E5-4667 v3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core i5-10400F scores 13,029 against the Xeon E5-4667 v3's 15,397 — a 16.7% lead for the Xeon E5-4667 v3. L3 cache: 12 MB (total) on the Core i5-10400F vs 40 MB (total) on the Xeon E5-4667 v3.

FeatureCore i5-10400FXeon E5-4667 v3
Cores / Threads
6 / 12
16 / 32+167%
Boost Clock
4.3 GHz+48%
2.9 GHz
Base Clock
2.9 GHz+45%
2 GHz
L3 Cache
12 MB (total)
40 MB (total)+233%
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
15,397+18%
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 E5-4667 v3 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i5-10400FXeon E5-4667 v3
Socket
LGA1200
LGA2011
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 E5-4667 v3). Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

FeatureCore i5-10400FXeon E5-4667 v3
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 E5-4667 v3 debuted at $128. On MSRP ($160 vs $128), the Xeon E5-4667 v3 is $32 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 120.3 pts/$ for the Xeon E5-4667 v3 — making the Xeon E5-4667 v3 the 38.5% better value option.

FeatureCore i5-10400FXeon E5-4667 v3
MSRP
$160
$128-20%
Performance per Dollar
81.4
120.3+48%
Release Date
2020
2015