Intel Core i5 8400 6-core LGA1151

Intel Core i5 8400 6-core LGA1151

Intel
60 Overall Score
vs
Intel 5120

Intel 5120

Intel
50 Overall Score

What Buyers Say

Intel Core i5 8400 6-core LGA1151

85 out of 100 medium confidence 26 reviews

The Intel Core i5-8400 is praised as a strong value-for-money processor, especially for gaming at 1080p, with many users noting excellent performance per dollar. It runs cool even with the stock cooler, is easy to install, and provides a noticeable upgrade from older CPUs. However, a few reviews mention defects or limited core count for heavy multitasking or video editing.

Pros
  • Great value for money
  • Runs cool even with stock cooler
  • Easy installation
  • Solid gaming performance at 1080p
  • Significant upgrade from older CPUs
Cons
  • Defective unit received by some users
  • Limited core count for heavy multitasking
  • Stock cooler not sufficient for heavy loads
  • No overclocking support
👍 Performance 14
👍 Value for money 12
👍 Cooling 10
👍 Ease of install 8
🤔 Stock cooler 8
👎 Defects 2

Intel 5120

No customer feedback yet

Scores

Budget
Intel
64
Intel
34
Efficiency
Intel
63
Intel
38
Productivity
Intel
60
Intel
60
Server
Intel
47
Intel
55
Gaming
Intel
53
Intel
24
Ai Llm
Intel
49
Intel
45

Specifications

Intel Core i5 8400Intel 5120
Processor
BrandIntelIntel
SeriesCore i5Xeon Gold
Model84005120
CodenameCoffee Lake—
Classdesktopserver
Process14★—
Cores & Clocks
Cores614★
Threads628★
Base Clock
2,800
2,200
Boost Clock
4,000
3,200
Cache
L2 Cache1.514★
L3 Cache919.25★
Performance
PassMark Multi
9,232
18,243
PassMark Single
2,365
1,756
Memory
Memory TypeDDR4★—
Max Speed
2,666
No data
Channels2★—
Max Memory
128
No data
ECC✗—
Platform & Power
SocketLGA 1151LGA 3647
PCIe3.0—
PCIe Lanes16★—
TDP65★105
Max Turbo Power65★—
Unlocked✗—
Graphics & AI
Integrated GraphicsIntel UHD Graphics 630—

Pros & Cons

Intel Core i5 8400 6-core LGA1151

  • Strong social proof (91st percentile)91st %ile
  • Strong platform (69th percentile)
  • Strong efficiency (67th percentile)
  • Strong single thread (67th percentile)

Intel 5120

  • Strong multi thread (74th percentile)
  • Strong ai (74th percentile)
  • Strong efficiency (73rd percentile)
  • Below average platform (18th percentile)18th %ile
  • Below average feature (20th percentile)20th %ile

Pricing

Intel Core i5 8400 6-core LGA1151 is £150 cheaper (1.9x less).

Intel Core i5 8400 6-core LGA11510.344score per dollar
vs
Intel 51200.155score per dollar

Intel Core i5 8400 6-core LGA1151 offers 2.2x better value for money

Intel Core i5 8400 6-core LGA1151

Intel 5120

Verdict

★ Winner: Intel Core i5 8400

Scores 60 overall, wins 4 of 6 usage categories and 11 of 26 specs.

Intel Core i5 8400 Better at:

Ai LlmBudgetGamingEfficiency

Intel 5120 Better at:

Server

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