Intel Core i9-9900KS vs Intel Xeon E3-1275 v6

Let's find out which one of Intel Core i9-9900KS and Intel Xeon E3-1275 v6 is of a more recent generation, and what segment it belongs to.

• Name
  Intel Core i9-9900KS Intel Xeon E3-1275 v6
• Segment
  Desktop / Server Desktop / Server
• Family
  Intel Core i9 Intel Xeon E3
• Generation
  9 6
• CPU group
  Intel Core i 9000 Intel Xeon E3 v6

In this block we are going to compare Intel Core i9-9900KS vs Intel Xeon E3-1275 v6 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

• Frequency
  4.00 GHz 3.80 GHz
• CPU Cores
  8 4
• Turbo (1 Core)
  5.00 GHz 4.20 GHz
• CPU Threads
  16 8
• Hyperthreading
  Yes Yes
• Overclocking
  Yes No
• Core architecture
  normal normal

Common specifications for integrated graphics cards in Intel Core i9-9900KS and Intel Xeon E3-1275 v6 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  Intel UHD Graphics 630 Intel HD Graphics P630
• GPU frequency
  0.35 GHz 0.35 GHz
• GPU (Turbo)
  1.20 GHz 1.15 GHz
• Execution units
  24 24
• Shader
  192 192
• Max. GPU Memory
  64 GB 64 GB
• Max. displays
  3 3
• Generation
  9.5 9.5
• DirectX Version
  12 12
• Technology
  14 nm 14 nm
• Release date
  Q4/2017 Q2/2016

Let's compare the support of video codecs between Intel Core i9-9900KS and Intel Xeon E3-1275 v6. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between Intel Core i9-9900KS and Intel Xeon E3-1275 v6 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

• Memory type
  DDR4-2666 DDR4-2400
• Max. Memory
  128 GB
• ECC
  No Yes
• Memory channels
  2 2
• PCIe version
  3.0 3.0
• PCIe lanes
  16 16

AES-NI encryption support for CPUs Intel Core i9-9900KS and Intel Xeon E3-1275 v6.

• AES-NI
  Yes Yes

Let's find out what TDP value would be better for Intel Core i9-9900KS or Intel Xeon E3-1275 v6? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

• TDP (PL1)
  127 W 73 W
• TDP (PL2)
  159 W / 28 s --
• Tjunction max.
  100 °C --

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Core i9-9900KS and Intel Xeon E3-1275 v6 CPUs along with a list of ISA extensions.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2
• L3-Cache
  16.00 MB 8.00 MB
• Architecture
  Coffee Lake S Refresh Kaby Lake S
• Technology
  14 nm 14 nm
• Socket
  LGA 1151-2 LGA 1151
• Release date
  Q4/2019 Q1/2017

List of devices based on Intel Core i9-9900KS and Intel Xeon E3-1275 v6.

• Used in
  Unknown Unknown