Core i5-10400F vs Core i9-10900TE

Intel

Core i5-10400F

6 Cores12 Thrd65 WWMax: 4.3 GHz2020

Popular choices:

VS
Intel

Core i9-10900TE

10 Cores20 Thrd35 WWMax: 4.5 GHz2020

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

  • Costs $149 less on MSRP ($160 MSRP vs $309 MSRP).
  • Delivers 77.7% more PassMark for each dollar spent, at 81.4 vs 45.8 PassMark/$ ($160 MSRP vs $309 MSRP).
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Includes a boxed cooler (Yes), unlike Core i9-10900TE.

Trade-offs

  • Lower PassMark (13,029 vs 14,159).
  • Smaller total L3 cache (12 MB vs 20 MB).
  • 85.7% higher power demand at 65W vs 35W.

Core i9-10900TE

2020

Why buy it

  • +66.7% larger total L3 cache (20 MB vs 12 MB).
  • Draws 35W instead of 65W, a 30W reduction.

Trade-offs

  • Lower PassMark per dollar, at 45.8 vs 81.4 PassMark/$ ($309 MSRP vs $160 MSRP).
  • No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Core i9-10900TE better than Core i5-10400F?
Yes. Core i9-10900TE is the better overall CPU here. You are getting a 2.7% average FPS lead across 8 shared CPU game tests in our data, 8.7% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Core i9-10900TE is the better pick here. According to our tests, it delivers 2.7% more average FPS across 8 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i9-10900TE is the better fit. You are getting 8.7% better PassMark, backed by 10 cores and 20 threads. It also carries the larger cache pool with 66.7% larger total L3 cache (20 MB vs 12 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i9-10900TE is still the faster CPU overall, but Core i5-10400F makes more sense if price matters more than absolute performance. Core i9-10900TE is 93.1% more expensive on MSRP at $309 MSRP versus $160 MSRP, and it gives you a 2.7% average FPS lead across 8 shared CPU game tests in our data. Core i5-10400F is also 77.7% better value on MSRP (81.4 vs 45.8 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.
Which one is more future-proof for 2026 and beyond?
Core i9-10900TE is the more future-proof choice for 2026 and beyond. You are getting 66.7% larger total L3 cache (20 MB vs 12 MB) and more multi-core headroom with 10 cores / 20 threads instead of 6/12. 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.

Path of Exile 2

Path of Exile 2

PresetCore i5-10400FCore i9-10900TE
1080p
low192 FPS163 FPS
medium152 FPS144 FPS
high123 FPS116 FPS
ultra100 FPS98 FPS
1440p
low153 FPS138 FPS
medium119 FPS118 FPS
high97 FPS96 FPS
ultra79 FPS81 FPS
4K
low82 FPS75 FPS
medium70 FPS69 FPS
high55 FPS55 FPS
ultra43 FPS43 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i5-10400FCore i9-10900TE
1080p
low326 FPS267 FPS
medium318 FPS230 FPS
high290 FPS198 FPS
ultra253 FPS178 FPS
1440p
low326 FPS230 FPS
medium292 FPS203 FPS
high267 FPS176 FPS
ultra234 FPS153 FPS
4K
low309 FPS143 FPS
medium258 FPS126 FPS
high235 FPS119 FPS
ultra199 FPS104 FPS
League of Legends

League of Legends

PresetCore i5-10400FCore i9-10900TE
1080p
low326 FPS354 FPS
medium326 FPS354 FPS
high326 FPS354 FPS
ultra326 FPS354 FPS
1440p
low326 FPS354 FPS
medium326 FPS354 FPS
high326 FPS354 FPS
ultra326 FPS354 FPS
4K
low326 FPS354 FPS
medium326 FPS345 FPS
high289 FPS310 FPS
ultra229 FPS254 FPS
Valorant

Valorant

PresetCore i5-10400FCore i9-10900TE
1080p
low326 FPS354 FPS
medium326 FPS354 FPS
high326 FPS354 FPS
ultra326 FPS354 FPS
1440p
low326 FPS354 FPS
medium326 FPS354 FPS
high326 FPS354 FPS
ultra326 FPS354 FPS
4K
low326 FPS354 FPS
medium326 FPS354 FPS
high326 FPS354 FPS
ultra326 FPS354 FPS

Technical Specifications

Side-by-side comparison of Core i5-10400F and Core i9-10900TE

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

Core i9-10900TE

The Core i9-10900TE 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 10 cores and 20 threads. Base frequency is 1.8 GHz, with boost up to 4.5 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 14,159 points. Launch price was $488.

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Core i9-10900TE offers 10 cores / 20 threads — the Core i9-10900TE has 4 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 4.5 GHz on the Core i9-10900TE — a 4.5% clock advantage for the Core i9-10900TE (base: 2.9 GHz vs 1.8 GHz). Both are built on the Comet Lake (2020−2025) architecture using a 14 nm process. In PassMark, the Core i5-10400F scores 13,029 against the Core i9-10900TE's 14,159 — a 8.3% lead for the Core i9-10900TE. L3 cache: 12 MB (total) on the Core i5-10400F vs 20 MB (total) on the Core i9-10900TE.

FeatureCore i5-10400FCore i9-10900TE
Cores / Threads
6 / 12
10 / 20+67%
Boost Clock
4.3 GHz
4.5 GHz+5%
Base Clock
2.9 GHz+61%
1.8 GHz
L3 Cache
12 MB (total)
20 MB (total)+67%
L2 Cache
256K (per core)
256 kB (per core)
Process
14 nm
14 nm
Architecture
Comet Lake (2020−2025)
Comet Lake (2020−2025)
PassMark
13,029
14,159+9%
Cinebench R23 Multi
8,191
Geekbench 6 Single
1,454
Geekbench 6 Multi
5,783
🧠

Memory & Platform

Both processors use the LGA1200 socket with PCIe 3.0.

FeatureCore i5-10400FCore i9-10900TE
Socket
LGA1200
LGA1200
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 (Core i9-10900TE). Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

FeatureCore i5-10400FCore i9-10900TE
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 Core i9-10900TE debuted at $309. On MSRP ($160 vs $309), the Core i5-10400F is $149 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 45.8 pts/$ for the Core i9-10900TE — making the Core i5-10400F the 56% better value option.

FeatureCore i5-10400FCore i9-10900TE
MSRP
$160-48%
$309
Performance per Dollar
81.4+78%
45.8
Release Date
2020
2020