Intel Xeon X3440 vs Intel Core i9-11900KB

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CPU comparison with benchmarks


Intel Xeon X3440 CPU1 vs CPU2 Intel Core i9-11900KB
Intel Xeon X3440 Intel Core i9-11900KB

CPU comparison

Intel Xeon X3440 or Intel Core i9-11900KB - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Xeon X3440 has 4 cores with 8 threads and clocks with a maximum frequency of 2.93 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Xeon X3440 was released in Q3/2009.

The Intel Core i9-11900KB has 8 cores with 16 threads and clocks with a maximum frequency of 5.30 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i9-11900KB was released in Q2/2021.
Intel Xeon X (2) Family Intel Core i9 (78)
Intel Xeon X (2) CPU group Intel Core i 11000H (17)
0 Generation 11
Lynnfield Architecture Tiger Lake H
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon X3440 is a 4 core processor with a clock frequency of 2.53 GHz (2.93 GHz). The Intel Core i9-11900KB has 8 CPU cores with a clock frequency of 3.30 GHz (5.30 GHz).

Intel Xeon X3440 Characteristic Intel Core i9-11900KB
4 Cores 8
8 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes
2.53 GHz Frequency 3.30 GHz
2.93 GHz Turbo Frequency (1 Core) 5.30 GHz
-- Turbo Frequency (All Cores) 4.90 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 X3440 Characteristic Intel Core i9-11900KB
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

no iGPU GPU Intel UHD Graphics 11th Gen (32 EU)
GPU frequency 0.35 GHz
-- GPU (Turbo) 1.45 GHz
-- GPU Generation 11
Technology 10 nm
Max. displays 3
-- Compute units 32
-- Shader 256
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 GB
-- DirectX Version 12

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 Intel UHD Graphics 11th Gen (32 EU)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Xeon X3440 supports a maximum of 32 GB of memory in 2 memory channels. The Intel Core i9-11900KB can connect up to 128 GB of memory in 2 memory channels.

Intel Xeon X3440 Characteristic Intel Core i9-11900KB
DDR3-1333, DDR3-1066, DDR3-800 Memory DDR4-3200
32 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 51.2 GB/s
Yes ECC No
8.00 MB L2 Cache 4.00 MB
-- L3 Cache 20.00 MB
2.0 PCIe version 3.0
16 PCIe lanes 16
8.0 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Xeon X3440 has a TDP of 95 W, that of the Intel Core i9-11900KB is 65 W.

Intel Xeon X3440 Characteristic Intel Core i9-11900KB
95 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 55 W
-- Tjunction max. 100 °C

Technical details

The Intel Xeon X3440 has a 8.00 MB cache, while the Intel Core i9-11900KB cache has a total of 24.00 MB.

Intel Xeon X3440 Characteristic Intel Core i9-11900KB
45 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
LGA 1156 Socket BGA 1787
VT-d, VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q3/2009 Release date Q2/2021
230 $ Release price 583 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 5 CPU benchmarks
⌀ Multi core performance in 5 CPU benchmarks

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 X3440 Intel Xeon X3440
4C 8T @ 2.93 GHz
457 (27%)
Intel Core i9-11900KB Intel Core i9-11900KB
8C 16T @ 5.30 GHz
1663 (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 X3440 Intel Xeon X3440
4C 8T @ 2.53 GHz
2256 (18%)
Intel Core i9-11900KB Intel Core i9-11900KB
8C 16T @ 4.90 GHz
12264 (100%)

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 X3440 Intel Xeon X3440
4C 8T @ 2.93 GHz
668 (36%)
Intel Core i9-11900KB Intel Core i9-11900KB
8C 16T @ 5.30 GHz
1878 (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 X3440 Intel Xeon X3440
4C 8T @ 2.93 GHz
569 (26%)
Intel Core i9-11900KB Intel Core i9-11900KB
8C 16T @ 5.30 GHz
2231 (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 X3440 Intel Xeon X3440
4C 8T @ 2.53 GHz
2136 (20%)
Intel Core i9-11900KB Intel Core i9-11900KB
8C 16T @ 4.90 GHz
10645 (100%)

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 X3440 Intel Xeon X3440
4C 8T @ 2.93 GHz
178 (28%)
Intel Core i9-11900KB Intel Core i9-11900KB
8C 16T @ 5.30 GHz
640 (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 X3440 Intel Xeon X3440
4C 8T @ 2.53 GHz
885 (19%)
Intel Core i9-11900KB Intel Core i9-11900KB
8C 16T @ 4.90 GHz
4712 (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 X3440 Intel Xeon X3440
4C 8T @ 2.53 GHz
2755 (12%)
Intel Core i9-11900KB Intel Core i9-11900KB
8C 16T @ 4.90 GHz
23151 (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 X3440 Intel Xeon X3440
4C 8T @ 2.93 GHz
86 (34%)
Intel Core i9-11900KB Intel Core i9-11900KB
8C 16T @ 5.30 GHz
256 (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 X3440 Intel Xeon X3440
4C 8T @ 2.53 GHz
416 (19%)
Intel Core i9-11900KB Intel Core i9-11900KB
8C 16T @ 4.90 GHz
2144 (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 X3440 Intel Xeon X3440
4C 8T @ 2.53 GHz
2763 (100%)
Intel Core i9-11900KB Intel Core i9-11900KB
8C 16T @ 4.90 GHz
0 (0%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Xeon X3440 Intel Xeon X3440
@ 0.00 GHz
0 (0%)
Intel Core i9-11900KB Intel Core i9-11900KB
Intel UHD Graphics 11th Gen (32 EU) @ 1.45 GHz
742 (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 X3440 Intel Xeon X3440
4C 8T @ 2.53 GHz
0 (0%)
Intel Core i9-11900KB Intel Core i9-11900KB
8C 16T @ 4.90 GHz
200 (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 X3440 Intel Xeon X3440
4C 8T @ 2.53 GHz
1219 (100%)
Intel Core i9-11900KB Intel Core i9-11900KB
8C 16T @ 3.30 GHz
0 (0%)

Devices using this processor

Intel Xeon X3440 Intel Core i9-11900KB
Unknown Unknown

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