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

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

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

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• 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

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• GPU name
  no iGPU no iGPU
• GPU (Turbo)
  No turbo No turbo

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

• 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

Overview of the types and quantities of RAM supported by AMD EPYC 9634 and AMD EPYC 9334. The supported memory frequencies may vary depending on the motherboard configuration.

• 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

Analyze the TDP (Thermal Design Power) requirements of AMD EPYC 9334 and AMD EPYC 9634 to make an informed decision on the appropriate cooling system. Remember that TDP 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

Information on architecture, interfaces, and additional instructions supported by AMD EPYC 9334 and AMD EPYC 9634, including virtual machine technologies and fabrication processes.

• 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