Core i5-10400F vs Core M-5Y10a

Intel

Core i5-10400F

6 Cores12 Thrd65 WWMax: 4.3 GHz2020
Core family
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VS
Intel

Core M-5Y10a

2 Cores4 Thrd512 WWMax: 2 GHz2014
Similar parts
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Core i5-10400F vs Core M-5Y10a 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.

Core i5-10400F vs Core M-5Y10a 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.

Core i5-10400F vs Core M-5Y10a: Pros, Cons & Final Verdict

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

Core i5-10400F

2020

Why buy it

  • Better for gaming: +289.9% higher average FPS across 50 shared CPU benchmark tests.
  • +200% larger total L3 cache (12 MB vs 4 MB).
  • Costs $121 less on MSRP ($160 MSRP vs $281 MSRP).
  • Delivers 1101.2% more PassMark for each dollar spent, at 81.4 vs 6.8 PassMark/$ ($160 MSRP vs $281 MSRP).
  • Draws 65W instead of 512W, a 447W reduction.

Trade-offs

  • No integrated graphics, while Core M-5Y10a can still boot and troubleshoot without a discrete GPU.

Core M-5Y10a

2014

Why buy it

  • Integrated graphics onboard with HD Graphics 5300, while Core i5-10400F needs a discrete GPU.

Trade-offs

  • Worse for gaming: lower average FPS than Core i5-10400F across 50 shared CPU benchmark tests.
  • Lower PassMark (1,905 vs 13,029).
  • Smaller total L3 cache (4 MB vs 12 MB).
  • Lower PassMark per dollar, at 6.8 vs 81.4 PassMark/$ ($281 MSRP vs $160 MSRP).
  • 687.7% higher power demand at 512W vs 65W.

Quick Answers

So, is Core i5-10400F better than Core M-5Y10a?
Yes. Core i5-10400F is the better all-around CPU here. It gives you a 289.9% average FPS lead across 50 shared CPU game tests in our data, 583.9% better PassMark, and the stronger long-term platform, 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 289.9% 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 583.9% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 200% larger total L3 cache (12 MB vs 4 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 $121 cheaper on MSRP at $160 MSRP versus $281 MSRP, and it still gives you a 289.9% average FPS lead across 50 shared CPU game tests in our data. It is also 1101.2% better value on MSRP (81.4 vs 6.8 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Core i5-10400F makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2014), 200% larger total L3 cache (12 MB vs 4 MB), and more multi-core headroom with 6 cores / 12 threads instead of 2/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-10400F vs Core M-5Y10a Technical Specifications

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

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 M-5Y10a

The Core M-5Y10a is manufactured by Intel. It was released in 5 September 2014 (11 years ago). It is based on the Broadwell-Y (2014) architecture. It features 2 cores and 4 threads. Base frequency is 0.8 GHz, with boost up to 2 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1234. Thermal design power (TDP): 4.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,905 points. Launch price was $69.

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Core M-5Y10a offers 2 cores / 4 threads — the Core i5-10400F has 4 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 2 GHz on the Core M-5Y10a — a 73% clock advantage for the Core i5-10400F (base: 2.9 GHz vs 0.8 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Core M-5Y10a uses Broadwell-Y (2014) (14 nm). In PassMark, the Core i5-10400F scores 13,029 against the Core M-5Y10a's 1,905 — a 149% lead for the Core i5-10400F. L3 cache: 12 MB (total) on the Core i5-10400F vs 4 MB (total) on the Core M-5Y10a.

FeatureCore i5-10400FCore M-5Y10a
Cores / Threads
6 / 12+200%
2 / 4
Boost Clock
4.3 GHz+115%
2 GHz
Base Clock
2.9 GHz+262%
0.8 GHz
L3 Cache
12 MB (total)+200%
4 MB (total)
L2 Cache
256K (per core)
256K (per core)
Process
14 nm
14 nm
Architecture
Comet Lake (2020−2025)
Broadwell-Y (2014)
PassMark
13,029+584%
1,905
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 Core M-5Y10a uses FCBGA1234 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus LPDDR3-1600 on the Core M-5Y10a — the Core i5-10400F supports 66.6% 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 16 GB 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-10400F) vs 12 (Core M-5Y10a) — the Core i5-10400F offers 4 more lanes for additional GPUs or NVMe drives.

FeatureCore i5-10400FCore M-5Y10a
Socket
LGA1200
FCBGA1234
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR4-2666+67%
LPDDR3-1600
Max RAM Capacity
128 GB+700%
16 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
16+33%
12
🔧

Advanced Features

Neither processor supports overclocking. Both support VT-x, VT-d virtualization. The Core M-5Y10a includes integrated graphics (HD Graphics 5300), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core i5-10400F targets Gaming, Core M-5Y10a targets Mobile. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

FeatureCore i5-10400FCore M-5Y10a
Integrated GPU
No
Yes
IGPU Model
HD Graphics 5300
Unlocked
No
No
AVX-512
No
No
Virtualization
VT-x, VT-d
VT-x, VT-d
Target Use
Gaming
Mobile
💰

Value Analysis

At launch, the Core i5-10400F was priced at $160, while the Core M-5Y10a came in at $281. On launch pricing ($160 vs $281), Core i5-10400F was $121 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 6.8 pts/$ for the Core M-5Y10a — making the Core i5-10400F the 169.3% better value option.

FeatureCore i5-10400FCore M-5Y10a
MSRP
$160-43%
$281
Performance per Dollar
81.4+1097%
6.8
Release Date
2020
2014

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