AMD Phenom II X4 975 vs AMD FX-4350. Specifications, performance, tests

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

• CPU group
  AMD Phenom II - 800/900 AMD FX-4300
• Family
  AMD Phenom II FX-Series
• Generation
  4 2
• Segment
  Desktop / Server Desktop / Server
• Form Factor
  - Desktops
• Series
  - FX 4-Core Black Edition Processors

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

• Base Frequency
  3.6 GHz 4.2 GHz
• Core architecture
  normal normal
• CPU Cores
  4 4
• CPU Threads
  4 4
• Hyperthreading / SMT
  No No
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  No turbo 4.3 GHz
• Turbo Frequency (4 Cores)
  No turbo 4.3 GHz
• Max. Boost Clock
  - 4.3 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.

• GPU name
  no iGPU None
• GPU Turbo
  No turbo No turbo

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

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

Types, channel quantity of RAM supported by AMD FX-4350 and AMD Phenom II X4 975. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No Yes
• Memory channels
  2 2
• Memory type
  DDR2-1066 DDR3
• System Memory Specification
  - 1866

• AES-NI
  No Yes

Compare the TDP requirements of TDP AMD Phenom II X4 975 and AMD FX-4350 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
  - 61.1 °C
• TDP (PL1, legacy label)
  125 W 125 W
• Default TDP
  - 125 W

Architecture, interfaces, additional instructions supported by AMD Phenom II X4 975 and AMD FX-4350, virtual machine technologies and process technology.

• Architecture
  Deneb (K10) Vishera (Bulldozer)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE3, SSE4a SSE4.1, SSE4.2, AVX, FMA3, FMA4
• L2-Cache
  - 4 MB
• L3-Cache
  6 MB 8 MB
• Release date
  Q1/2011 Q2/2013
• Socket
  AM3 AM3+
• Technology
  45 nm 32nm SOI
• Virtualization
  AMD-V AMD-V
• Codename
  - Vishera
• L1-Cache
  - 0.1875 MB
• Manufacturer product ID (boxed)
  - FD4350FRHKBOX
• Manufacturer product ID (tray)
  - FD4350FRW4KHK