AMD EPYC 9334 vs AMD EPYC 9634. Specifications, performance, tests

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

• Family
  AMD EPYC AMD EPYC
• CPU group
  AMD EPYC 9004 AMD EPYC 9004
• Segment
  Desktop / Server Desktop / Server
• Generation
  4 4

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

• CPU Cores / Threads
  32 / 64 84 / 168
• Core architecture
  normal normal
• Cores
  32x Zen 4 84x Zen 4
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  No No
• Frequency
  2.70 GHz 2.25 GHz
• Turbo Frequency (1 Core)
  3.90 GHz 3.70 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 no iGPU
• GPU (Turbo)
  No turbo No turbo

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

• h265 / HEVC (8 bit)
  No No
• h265 / HEVC (10 bit)
  No No
• h264
  No No
• VP8
  No No
• VP9
  No No
• AV1
  No No
• AVC
  No No
• VC-1
  No No
• JPEG
  No No

Types, channel quantity of RAM supported by AMD EPYC 9634 and AMD EPYC 9334. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR5-4800 DDR5-4800
• Max. Memory
  6144 GB 6144 GB
• Memory channels
  12 12
• Bandwidth
  461.0 GB/s 461.0 GB/s
• ECC
  Yes Yes
• PCIe
  5.0 x 128 5.0 x 128
• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD EPYC 9334 and AMD EPYC 9634 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  210 W 290 W
• TDP up
  240 W 300 W
• TDP down
  200 W 240 W
• Tjunction max.
  100 °C 100 °C

Architecture, interfaces, additional instructions supported by AMD EPYC 9334 and AMD EPYC 9334, virtual machine technologies and process technology.

• Technology
  5 nm 5 nm
• Chip design
  Chiplet Chiplet
• Socket
  SP5 SP5
• L2-Cache
  32.00 MB 84.00 MB
• L3-Cache
  128.00 MB 384.00 MB
• Architecture
  Genoa (Zen 4) Genoa (Zen 4)
• Operating systems
  Windows Server 2022, Linux, Windows 11 Windows Server 2022, Linux, Windows 11
• Virtualization
  AMD-V, SVM AMD-V, SVM
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI
• Release date
  Q4/2022 Q4/2022
• Release price
  2990 $ 10304 $
• Part Number
  100-000000800 100-000000797
• Documents
  Technical data sheet Technical data sheet