AMD Ryzen 9 7940HS vs Intel Core i7-4790K. Specifications, performance, tests

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

• CPU group
  AMD Ryzen 7040 Intel Core i 4000
• Family
  Ryzen Intel Core i7
• Form Factor
  Laptops / Desktops -
• Generation
  6 4
• Segment
  Mobile Desktop / Server
• Series
  Ryzen 7000 Series -

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

• Base Frequency
  4 GHz 4 GHz
• Core architecture
  normal normal
• Core Configuration
  8x Zen 4 -
• CPU Cores
  8 4
• CPU Threads
  16 8
• Hyperthreading / SMT
  Yes Yes
• Max. Boost Clock
  5.2 GHz -
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  5.2 GHz 4.4 GHz
• Turbo Frequency (4 Cores)
  - 4.2 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
  12 11.1
• Execution units
  12 20
• Generation
  10 7.5
• GPU Frequency
  2800 MHz 350 MHz
• GPU name
  AMD Radeon 780M Intel HD Graphics 4600
• GPU Turbo
  2700 MHz 1250 MHz
• Graphics Cores
  12 -
• Max. displays
  4 3
• Max. GPU Memory
  32 GB 2 GB
• Release date
  Q1/2023 Q2/2013
• Shader
  768 160
• Technology
  4 nm 22 nm

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

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

Types, channel quantity of RAM supported by Intel Core i7-4790K and AMD Ryzen 9 7940HS. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes No
• Max. Memory
  256 GB 32 GB
• Memory Bandwidth
  89.6 GB/s -
• Memory channels
  2 2
• Memory type
  DDR5 (FP7r2) / LPDDR5X (FP7-FP8) -
• PCIe
  PCIe 4.0 -
• PCIe lanes
  - 16
• PCIe version
  - 3.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen 9 7940HS and Intel Core i7-4790K Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Configurable TDP
  35-54 W -
• Default TDP
  35-54 W -
• Maximum Operating Temperature
  100 °C -
• TDP (PL1 / PBP, legacy combined label)
  54 W -
• TDP down
  35 W -
• TDP (PL1, legacy label)
  - 88 W

Architecture, interfaces, additional instructions supported by AMD Ryzen 9 7940HS and Intel Core i7-4790K, virtual machine technologies and process technology.

• Architecture
  Phoenix (Zen 4) Devils Canyon S
• Chip design
  Monolithic -
• Codename
  Phoenix -
• Documents
  Technical data sheet -
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 SSE4.1, SSE4.2, AVX2
• L2-Cache
  8 MB -
• L3-Cache
  16 MB 8 MB
• Operating systems
  Windows 10, Windows 11, Linux -
• Part Number
  100-000001128 -
• Release date
  2023-04-30 Q2/2014
• Socket
  FP7 / FP7r2 / FP8 LGA 1150
• Technology
  TSMC 4nm FinFET 22 nm
• Virtualization
  AMD-V, SVM VT-x, VT-x EPT, VT-d