Atom x7809C vs Core i5-10400F

Intel

Atom x7809C

8 Cores8 Thrd25 WWMax: 3.6 GHz2024
Similar parts
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VS
Intel

Core i5-10400F

6 Cores12 Thrd65 WWMax: 4.3 GHz2020
Core family
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Atom x7809C vs Core i5-10400F Performance Spectrum

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.

Atom x7809C vs Core i5-10400F FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Atom x7809C vs Core i5-10400F: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Atom x7809C

2024

Why buy it

  • Draws 25W instead of 65W, a 40W reduction.
  • Newer platform on FCBGA1264 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

  • Worse for gaming: lower average FPS than Core i5-10400F across 50 shared CPU benchmark tests.
  • Lower Geekbench multi-core (4,657 vs 5,783).
  • Smaller total L3 cache (6 MB vs 12 MB).
  • No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Why buy it

  • Better for gaming: +29.3% higher average FPS across 50 shared CPU benchmark tests.
  • +100% larger total L3 cache (12 MB vs 6 MB).
  • 77.8% more PCIe lanes (16 vs 9) for storage and expansion-heavy builds.
  • Includes a boxed cooler (Yes), unlike Atom x7809C.

Trade-offs

  • Launch MSRP is still $160 MSRP, while Atom x7809C mostly shows up through inconsistent older-market listings.
  • 160% higher power demand at 65W vs 25W.
  • Older platform position on LGA1200 with DDR4, while Atom x7809C moves to FCBGA1264 and DDR5.

Quick Answers

So, is Core i5-10400F better than Atom x7809C?
Yes. Core i5-10400F is the better all-around CPU here. It gives you a 29.3% average FPS lead across 50 shared CPU game tests in our data, 24.2% better Geekbench multi-core, and 38.5% higher PassMark, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core i5-10400F is the better pick. According to our tests, it delivers 29.3% 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, Core i5-10400F is the stronger fit. You are getting 24.2% better Geekbench multi-core, backed by 6 cores and 12 threads. It also has the larger cache pool with 100% larger total L3 cache (12 MB vs 6 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i5-10400F is the better buy right now. Core i5-10400F comes in at an unclear MSRP at $160 MSRP versus unclear MSRP, and it still gives you a 29.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (81.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Atom x7809C makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020) and a healthier platform with FCBGA1264 and DDR5 instead of LGA1200. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Atom x7809C vs Core i5-10400F Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

Atom x7809C

The Atom x7809C is manufactured by Intel. It was released in 8 April 2024 (1 year ago). It is based on the Amston Lake (2024−2025) architecture. It features 8 cores and 8 threads. Base frequency is 2 GHz, with boost up to 3.6 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (per module). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 25 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 9,409 points. Launch price was $117.

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.

Processing Power

The Atom x7809C packs 8 cores / 8 threads, while the Core i5-10400F offers 6 cores / 12 threads — the Atom x7809C has 2 more cores. Boost clocks reach 3.6 GHz on the Atom x7809C versus 4.3 GHz on the Core i5-10400F — a 17.7% clock advantage for the Core i5-10400F (base: 2 GHz vs 2.9 GHz). The Atom x7809C uses the Amston Lake (2024−2025) architecture (10 nm), while the Core i5-10400F uses Comet Lake (2020−2025) (14 nm). In PassMark, the Atom x7809C scores 9,409 against the Core i5-10400F's 13,029 — a 32.3% lead for the Core i5-10400F. Geekbench 6 single-core — the metric most relevant to gaming — records 1,102 vs 1,454, a 27.5% lead for the Core i5-10400F that directly translates to higher frame rates. Multi-core Geekbench: 4,657 vs 5,783 (21.6% advantage for the Core i5-10400F). L3 cache: 6 MB (total) on the Atom x7809C vs 12 MB (total) on the Core i5-10400F.

FeatureAtom x7809CCore i5-10400F
Cores / Threads
8 / 8+33%
6 / 12
Boost Clock
3.6 GHz
4.3 GHz+19%
Base Clock
2 GHz
2.9 GHz+45%
L3 Cache
6 MB (total)
12 MB (total)+100%
L2 Cache
2 MB (per module)
256K (per core)+12700%
Process
10 nm-29%
14 nm
Architecture
Amston Lake (2024−2025)
Comet Lake (2020−2025)
PassMark
9,409
13,029+38%
Cinebench R23 Multi
8,191
Geekbench 6 Single
1,102
1,454+32%
Geekbench 6 Multi
4,657
5,783+24%
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Memory & Platform

The Atom x7809C uses the FCBGA1264 socket (PCIe 4.0), while the Core i5-10400F uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Atom x7809C versus DDR4-2666 on the Core i5-10400F — the Atom x7809C supports 80% 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 32 GB 300% more capacity for professional workloads. Memory channels: 1 (Atom x7809C) vs 2 (Core i5-10400F). PCIe lanes: 9 (Atom x7809C) vs 16 (Core i5-10400F) — the Core i5-10400F offers 7 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FCBGA1264 (Atom x7809C) and H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F).

FeatureAtom x7809CCore i5-10400F
Socket
FCBGA1264
LGA1200
PCIe Generation
PCIe 4.0+33%
PCIe 3.0
Max RAM Speed
DDR5-4800+80%
DDR4-2666
Max RAM Capacity
32 GB
128 GB+300%
RAM Channels
1
2+100%
ECC Support
Yes
No
PCIe Lanes
9
16+78%
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Advanced Features

Neither processor supports overclocking. Both support VT-x, VT-d virtualization. Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

FeatureAtom x7809CCore i5-10400F
Integrated GPU
No
No
Unlocked
No
No
AVX-512
No
No
Virtualization
VT-x, VT-d
VT-x, VT-d
Target Use
Gaming