Intel Core i9-11900KF vs Intel Xeon E5-2640 v4

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CPU comparison with benchmarks


Intel Core i9-11900KF CPU1 vs CPU2 Intel Xeon E5-2640 v4
Intel Core i9-11900KF Intel Xeon E5-2640 v4

CPU comparison

In this CPU comparison, we compare the Intel Core i9-11900KF and the Intel Xeon E5-2640 v4 and use benchmarks to check which processor is faster.

We compare the Intel Core i9-11900KF 8 core processor released in Q1/2021 with the Intel Xeon E5-2640 v4 which has 10 CPU cores and was introduced in Q1/2016.
Intel Core i9 (78) Family Intel Xeon E5 (71)
Intel Core i 11000 (22) CPU group Intel Xeon E5 v4 (24)
11 Generation 6
Rocket Lake S Architecture Broadwell E
Desktop / Server Segment Desktop / Server
Intel Core i9-10900KF Predecessor Intel Xeon E5-2640 v3
Intel Core i9-12900KF Successor --

CPU Cores and Base Frequency

The Intel Core i9-11900KF is a 8 core processor with a clock frequency of 3.50 GHz (5.30 GHz). The processor can compute 16 threads at the same time. The Intel Xeon E5-2640 v4 clocks with 2.40 GHz (3.40 GHz), has 10 CPU cores and can calculate 20 threads in parallel.

Intel Core i9-11900KF Characteristic Intel Xeon E5-2640 v4
8 Cores 10
16 Threads 20
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? No
3.50 GHz Frequency 2.40 GHz
5.30 GHz Turbo Frequency (1 Core) 3.40 GHz
4.80 GHz Turbo Frequency (All Cores) 2.80 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 Core i9-11900KF Characteristic Intel Xeon E5-2640 v4
-- 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 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i9-11900KF, while the Intel Xeon E5-2640 v4 supports a maximum of 1536 GB of memory with a maximum memory bandwidth of 68.2 GB/s enabled.

Intel Core i9-11900KF Characteristic Intel Xeon E5-2640 v4
DDR4-3200 Memory DDR4-2133
128 GB Max. Memory 1536 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
51.2 GB/s Max. Bandwidth 68.2 GB/s
No ECC Yes
4.00 MB L2 Cache --
16.00 MB L3 Cache 25.00 MB
4.0 PCIe version 3.0
20 PCIe lanes 40
39.4 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The Intel Core i9-11900KF has a TDP of 125 W. The TDP of the Intel Xeon E5-2640 v4 is 90 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i9-11900KF Characteristic Intel Xeon E5-2640 v4
125 W TDP (PL1 / PBP) 90 W
251 W @ 56 s TDP (PL2) --
-- TDP up --
95 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i9-11900KF has 20.00 MB cache and is manufactured in 14 nm. The cache of Intel Xeon E5-2640 v4 is at 25.00 MB. The processor is manufactured in 14 nm.

Intel Core i9-11900KF Characteristic Intel Xeon E5-2640 v4
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 1200 Socket LGA 2011-3
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q1/2021 Release date Q1/2016
513 $ Release price 940 $
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Rate these processors

Here you can rate the Intel Core i9-11900KF to help other visitors make their purchasing decisions. The average rating is 4.0 stars (10 ratings). Rate now:
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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
Intel Core i9-11900KF (100%)
Intel Xeon E5-2640 v4 (50%)
⌀ Multi core performance in 4 CPU benchmarks
Intel Core i9-11900KF (100%)
Intel Xeon E5-2640 v4 (55%)

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 Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 5.30 GHz
1878 (100%)
Intel Xeon E5-2640 v4 Intel Xeon E5-2640 v4
10C 20T @ 3.40 GHz
923 (49%)

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 Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
11645 (100%)
Intel Xeon E5-2640 v4 Intel Xeon E5-2640 v4
10C 20T @ 2.80 GHz
6823 (59%)

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 Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 5.30 GHz
2349 (100%)
Intel Xeon E5-2640 v4 Intel Xeon E5-2640 v4
10C 20T @ 3.40 GHz
1086 (46%)

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 Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
11167 (100%)
Intel Xeon E5-2640 v4 Intel Xeon E5-2640 v4
10C 20T @ 2.80 GHz
6182 (55%)

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 Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
25385 (100%)
Intel Xeon E5-2640 v4 Intel Xeon E5-2640 v4
10C 20T @ 2.80 GHz
11982 (47%)

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 Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 5.30 GHz
262 (100%)
Intel Xeon E5-2640 v4 Intel Xeon E5-2640 v4
10C 20T @ 3.40 GHz
142 (54%)

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 Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
2515 (100%)
Intel Xeon E5-2640 v4 Intel Xeon E5-2640 v4
10C 20T @ 2.80 GHz
1481 (59%)

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 Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 5.30 GHz
1686 (100%)
Intel Xeon E5-2640 v4 Intel Xeon E5-2640 v4
10C 20T @ 3.40 GHz
0 (0%)

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 Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
16211 (100%)
Intel Xeon E5-2640 v4 Intel Xeon E5-2640 v4
10C 20T @ 2.80 GHz
0 (0%)

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 Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 5.30 GHz
650 (100%)
Intel Xeon E5-2640 v4 Intel Xeon E5-2640 v4
10C 20T @ 3.40 GHz
0 (0%)

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 Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
6187 (100%)
Intel Xeon E5-2640 v4 Intel Xeon E5-2640 v4
10C 20T @ 2.80 GHz
0 (0%)

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 Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 4.80 GHz
243 (100%)
Intel Xeon E5-2640 v4 Intel Xeon E5-2640 v4
10C 20T @ 2.80 GHz
0 (0%)

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 Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 3.50 GHz
6455 (100%)
Intel Xeon E5-2640 v4 Intel Xeon E5-2640 v4
10C 20T @ 2.40 GHz
0 (0%)

Devices using this processor

Intel Core i9-11900KF Intel Xeon E5-2640 v4
Unknown Unknown

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