Intel Xeon Platinum 8276 vs Intel Core i9-9900KF

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CPU comparison with benchmarks


Intel Xeon Platinum 8276 CPU1 vs CPU2 Intel Core i9-9900KF
Intel Xeon Platinum 8276 Intel Core i9-9900KF

CPU comparison

In this CPU comparison, we compare the Intel Xeon Platinum 8276 and the Intel Core i9-9900KF and use benchmarks to check which processor is faster.

We compare the Intel Xeon Platinum 8276 28 core processor released in Q2/2019 with the Intel Core i9-9900KF which has 8 CPU cores and was introduced in Q1/2019.
Intel Xeon Platinum (77) Family Intel Core i9 (78)
Intel Xeon Platinum 8200/9200 (21) CPU group Intel Core i 9000 (34)
2 Generation 9
Cascade Lake Architecture Coffee Lake S Refresh
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor Intel Core i9-10900KF

CPU Cores and Base Frequency

The Intel Xeon Platinum 8276 is a 28 core processor with a clock frequency of 2.20 GHz (4.00 GHz). The processor can compute 56 threads at the same time. The Intel Core i9-9900KF clocks with 3.60 GHz (5.00 GHz), has 8 CPU cores and can calculate 16 threads in parallel.

Intel Xeon Platinum 8276 Characteristic Intel Core i9-9900KF
28 Cores 8
56 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? Yes
2.20 GHz Frequency 3.60 GHz
4.00 GHz Turbo Frequency (1 Core) 5.00 GHz
2.20 GHz Turbo Frequency (All Cores) 4.70 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Xeon Platinum 8276 Characteristic Intel Core i9-9900KF
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

Up to 1024 GB of memory in a maximum of 6 memory channels is supported by the Intel Xeon Platinum 8276, while the Intel Core i9-9900KF supports a maximum of 128 GB of memory with a maximum memory bandwidth of 42.7 GB/s enabled.

Intel Xeon Platinum 8276 Characteristic Intel Core i9-9900KF
DDR4-2933 Memory DDR4-2666
1024 GB Max. Memory 128 GB
6 (Hexa Channel) Memory channels 2 (Dual Channel)
140.7 GB/s Max. Bandwidth 42.7 GB/s
Yes ECC No
-- L2 Cache --
38.50 MB L3 Cache 16.00 MB
3.0 PCIe version 3.0
48 PCIe lanes 16
47.3 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The Intel Xeon Platinum 8276 has a TDP of 165 W. The TDP of the Intel Core i9-9900KF is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Xeon Platinum 8276 Characteristic Intel Core i9-9900KF
165 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) 119 W @ 28 s
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The Intel Xeon Platinum 8276 has 38.50 MB cache and is manufactured in 14 nm. The cache of Intel Core i9-9900KF is at 16.00 MB. The processor is manufactured in 14 nm.

Intel Xeon Platinum 8276 Characteristic Intel Core i9-9900KF
14 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2
LGA 3647 Socket LGA 1151-2
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q2/2019 Release date Q1/2019
8719 $ Release price 600 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 4.00 GHz
1152 (86%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 5.00 GHz
1342 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 2.20 GHz
20489 (100%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 4.70 GHz
8779 (43%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 4.00 GHz
378 (73%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 5.00 GHz
518 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 4.00 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 5.00 GHz
77 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 4.00 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 5.00 GHz
640 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 4.00 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 5.00 GHz
1294 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 2.20 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 4.70 GHz
12812 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 4.00 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 5.00 GHz
1650 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 2.20 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 4.70 GHz
8182 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 2.20 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 4.70 GHz
4995 (100%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 2.20 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 4.70 GHz
171 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 2.20 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 4.70 GHz
18702 (100%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 2.20 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 4.70 GHz
165.4 (100%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 2.20 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 4.70 GHz
557 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 2.20 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 3.60 GHz
5564 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 4.00 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 5.00 GHz
219 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Xeon Platinum 8276 Intel Xeon Platinum 8276
28C 56T @ 2.20 GHz
0 (0%)
Intel Core i9-9900KF Intel Core i9-9900KF
8C 16T @ 4.70 GHz
2245 (100%)

Devices using this processor

Intel Xeon Platinum 8276 Intel Core i9-9900KF
Unknown Unknown

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