AMD Opteron X3421
Intel Core i7-6950X
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AMD Opteron X3421 vs Intel Core i7-6950X. Specifications

User rating
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Released
Q2/2015
AMD Opteron X3421
AMD Opteron X3421
Released
Q2/2016
User rating
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Intel Core i7-6950X
Intel Core i7-6950X

What's the best choice AMD Opteron X3421 or Intel Core i7-6950X? Which processor is faster?

Compare the available specifications of these models.

AMD Opteron X3421 has a base frequency of 2.10 GHz. 4 / 4 CPU Cores / Threads. Stated TDP / base power 15 W. Released in Q2/2015.

Intel Core i7-6950X has a base frequency of 3.00 GHz. 10 CPU Cores / Threads. Stated TDP / base power 140 W. Released in Q2/2016.

Differences

AMD Opteron X3421 Reasons to consider
AMD Opteron X3421
Report a bug
  • Lower stated TDP / base power

    Power limits alone do not measure performance per watt.

    15 W left arrow 140 W

Positions in all rankings

Common positions AMD Opteron X3421 CPU in popular benchmarks, for comparison with other models.

  • iGPU - FP32 Performance (Single-precision GFLOPS)
    356 place
  • Place in the overall ranking

    (based on several benchmarks)

    94 left arrow place
  • Higher clock speed

    Around 43% better clock speed

    3.00 GHz left arrow 2.10 GHz
  • More number of cores

    6 more cores

    10 left arrow 4
  • Higher turbo clock speed

    Around 3 % higher specified turbo frequency

    3.50 GHz left arrow 3.40 GHz

Positions in all rankings

Common positions Intel Core i7-6950X CPU in popular benchmarks, for comparison with other models.

  • Cinebench R23 (Single-Core)
    226 place
  • Cinebench R23 (Multi-Core)
    100 place
  • Cinebench R15 (Single-Core)
    386 place
  • Cinebench R15 (Multi-Core)
    156 place
  • Geekbench 5, 64bit (Single-Core)
    437 place
  • Geekbench 5, 64bit (Multi-Core)
    155 place
  • Geekbench 3, 64bit (Single-Core)
    361 place
  • Geekbench 3, 64bit (Multi-Core)
    102 place
  • Cinebench R11.5, 64bit (Single-Core)
    317 place
  • Cinebench R11.5, 64bit (Multi-Core)
    85 place
  • Estimated results for PassMark CPU Mark
    148 place

Specifications

Technical data
AMD Opteron X3421 AMD Opteron X3421
Intel Core i7-6950X Intel Core i7-6950X
CPU family and group

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

  • CPU group
    AMD Opteron X3000 left arrow Intel Core i 6000X
  • Family
    AMD Opteron left arrow Intel Core i7 Extreme Edition
  • Generation
    0 left arrow 6
  • Segment
    Desktop / Server left arrow Desktop / Server
CPU Technical specs

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

  • Base Frequency
    2.1 GHz left arrow 3 GHz
  • Core architecture
    normal left arrow normal
  • Core Configuration
    4x left arrow -
  • CPU Cores
    4 left arrow 10
  • CPU Threads
    4 left arrow 20
  • Hyperthreading / SMT
    No left arrow Yes
  • Overclocking
    No left arrow Yes
  • Turbo Frequency (1 Core)
    3.4 GHz left arrow 3.5 GHz
  • Turbo Frequency (10 Cores)
    - left arrow 3.5 GHz
IGPU

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
    0 left arrow -
  • Execution units
    8 left arrow -
  • Generation
    0 left arrow -
  • GPU Frequency
    800 MHz left arrow -
  • GPU name
    AMD Radeon R7 - 512 (Toronto) left arrow no iGPU
  • GPU Turbo
    No turbo left arrow No turbo
  • Max. displays
    3 left arrow -
  • Shader
    512 left arrow -
  • Technology
    0 left arrow -
Hardware codec support

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

  • AV1
    No left arrow No
  • H.264 / AVC
    Conflicting source values: Decode / Encode | No left arrow No
  • h265 / HEVC (8 bit)
    Decode left arrow No
  • h265 / HEVC (10 bit)
    No left arrow No
  • JPEG
    Decode left arrow No
  • VC-1
    No left arrow No
  • VP8
    No left arrow No
  • VP9
    No left arrow No
Memory specs & PCI

Types, channel quantity of RAM supported by Intel Core i7-6950X and AMD Opteron X3421. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • ECC
    Yes left arrow No
  • Memory channels
    2 left arrow 4
  • Memory type
    DDR4-2400 left arrow DDR4-2400
  • PCIe
    3 x 8 left arrow -
  • PCIe lanes
    - left arrow 40
  • PCIe version
    - left arrow 3.0
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP AMD Opteron X3421 and Intel Core i7-6950X Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

  • TDP (PL1, legacy label)
    15 W left arrow 140 W
  • TDP down
    12 W left arrow -
  • TDP up
    35 W left arrow -
Technologies and extensions

Architecture, interfaces, additional instructions supported by AMD Opteron X3421 and Intel Core i7-6950X, virtual machine technologies and process technology.

  • Architecture
    Toronto (Excavator) left arrow Broadwell E
  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • ISA extensions
    SSE4a, SSE4.1, SSE4.2, AVX2 left arrow SSE4.1, SSE4.2, AVX2
  • L2-Cache
    2 MB left arrow -
  • L3-Cache
    - left arrow 25 MB
  • Part Number
    OX3421AAY43KA left arrow -
  • Release date
    Q2/2015 left arrow Q2/2016
  • Socket
    FP4 left arrow LGA 2011-3
  • Technology
    28 nm left arrow 14 nm
  • Virtualization
    AMD-V, AMD-Vt left arrow VT-x, VT-x EPT, VT-d

Benchmarks

Performance tests CPUs

No comparable benchmark results are available yet. Specifications alone do not determine which model is faster.

These are saved results from the earlier catalog. Measurement dates and test configurations were not recorded. Models with no comparable results are omitted.

Recent models: test results with identified primary sources — Cinebench R23 · Cinebench R20 · Cinebench R15 · Cinebench 2026 · RandomX benchmark

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