Intel Xeon E3-1265L v3 vs Intel Core i5-12400. Specifications, performance, tests

Background information about the processors being compared, series, generation and market segment.

• CPU group
  Intel Xeon E3 v3 Intel Core i 12000
• Family
  Intel Xeon E3 12th Generation Intel Core i5 Processors
• Generation
  4 12
• Predecessor
  - Intel Core i5-11400
• Segment
  Desktop / Server Desktop
• Processor Number
  - i5-12400

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• A-Core
  - 6x Golden Cove
• Base Frequency
  2.5 GHz 2.5 GHz
• Core architecture
  normal normal
• CPU Cores
  4 6
• CPU Threads
  8 12
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  No No
• Turbo Frequency (1 Core)
  3.7 GHz 4.4 GHz
• Turbo Frequency (4 Cores)
  3.7 GHz -
• Efficient Cores
  - 0
• Max. Boost Clock
  - 4.4 GHz
• P-core Base Clock
  - 2.5 GHz
• P-core Max Turbo
  - 4.4 GHz
• Performance Cores
  - 6
• Turbo Frequency (6 Cores)
  - 4 GHz

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• DirectX Version
  11.1 12
• Execution units
  10 24
• Generation
  7.5 12
• GPU Frequency
  350 MHz 300 MHz
• GPU name
  Intel HD Graphics (Haswell GT1) Intel UHD Graphics 730
• GPU Turbo
  1200 MHz 1450 MHz
• Max. displays
  3 3
• Max. GPU Memory
  - 64 GB
• Release date
  Q4/2012 Q1/2021
• Shader
  80 192
• Technology
  22 nm 14 nm
• Graphics Base Frequency
  - 300 MHz
• Graphics Output
  - eDP 1.4b, DP 1.4a, HDMI 2.1

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

• AV1
  No Decode
• H.264 / AVC
  Decode / Encode Decode / Encode
• h265 / HEVC (8 bit)
  No Decode / Encode
• h265 / HEVC (10 bit)
  No Decode / Encode
• JPEG
  Decode Decode / Encode
• VC-1
  Decode Decode
• VP8
  No Decode / Encode
• VP9
  No Decode / Encode

Types, channel quantity of RAM supported by Intel Core i5-12400 and Intel Xeon E3-1265L v3. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes No
• Max. Memory
  - 128 GB
• Memory channels
  2 2
• Memory type
  DDR3-1600 Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s
• PCIe lanes
  16 20
• PCIe version
  3.0 5.0 and 4.0
• PCIe
  - 5.0 x 20

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Xeon E3-1265L v3 and Intel Core i5-12400 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  - 100 °C
• TDP (PL1, legacy label)
  45 W 65 W
• TDP (PL2)
  - 117 W
• Maximum Turbo Power
  - 117 W
• Processor Base Power (PBP)
  - 65 W

Architecture, interfaces, additional instructions supported by Intel Xeon E3-1265L v3 and Intel Core i5-12400, virtual machine technologies and process technology.

• Architecture
  Haswell S Alder Lake S
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2, AVX2+
• L2-Cache
  - 7.5 MB (Total cache capacity)
• L3-Cache
  8 MB 18 MB
• Release date
  Q2/2013 Q1/2022
• Socket
  LGA 1150 FCLGA1700
• Technology
  22 nm Intel 7 (Manufacturer process designation)
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• Cache (manufacturer label)
  - 18 MB Intel Smart Cache
• Codename
  - Products formerly Alder Lake
• Marketing Status (manufacturer label)
  - Launched
• Use Conditions
  - PC/Client/Tablet