Intel Core 2 Quad Q8400 vs Intel Xeon W-11555MLE

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CPU comparison with benchmarks


Intel Core 2 Quad Q8400 CPU1 vs CPU2 Intel Xeon W-11555MLE
Intel Core 2 Quad Q8400 Intel Xeon W-11555MLE

CPU comparison

In this CPU comparison, we compare the Intel Core 2 Quad Q8400 and the Intel Xeon W-11555MLE and use benchmarks to check which processor is faster.

We compare the Intel Core 2 Quad Q8400 4 core processor released in Q2/2009 with the Intel Xeon W-11555MLE which has 6 CPU cores and was introduced in Q3/2021.
Intel Core2 Quad (19) Family Intel Xeon W (83)
Intel Core 2 Quad Q8000/Q9000 (16) CPU group Intel Xeon W-11000M (8)
2 Generation 11
Yorkfield (Penryn) Architecture Tiger Lake H
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core 2 Quad Q8400 is a 4 core processor with a clock frequency of 2.66 GHz. The processor can compute 4 threads at the same time. The Intel Xeon W-11555MLE clocks with 1.90 GHz (4.40 GHz), has 6 CPU cores and can calculate 12 threads in parallel.
Intel Core 2 Quad Q8400 Characteristic Intel Xeon W-11555MLE
4 Cores 6
4 Threads 12
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.66 GHz Frequency 1.90 GHz
-- Turbo Frequency (1 Core) 4.40 GHz
-- Turbo Frequency (All Cores) 2.60 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.
Intel Core 2 Quad Q8400 Characteristic Intel Xeon W-11555MLE
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 Intel UHD Graphics 11th Gen (32 EU)
GPU frequency 0.35 GHz
-- GPU (Turbo) 1.35 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

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core 2 Quad Q8400, while the Intel Xeon W-11555MLE supports a maximum of 128 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled.
Intel Core 2 Quad Q8400 Characteristic Intel Xeon W-11555MLE
DDR3-1066, DDR2-800 Memory DDR4-3200
16 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
17.1 GB/s Max. Bandwidth 51.2 GB/s
No ECC Yes
4.00 MB L2 Cache --
-- L3 Cache 12.00 MB
-- PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 GB/s

Thermal Management

The Intel Core 2 Quad Q8400 has a TDP of 95 W. The TDP of the Intel Xeon W-11555MLE is 25 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.
Intel Core 2 Quad Q8400 Characteristic Intel Xeon W-11555MLE
95 W TDP (PL1 / PBP) 25 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The Intel Core 2 Quad Q8400 has 4.00 MB cache and is manufactured in 45 nm. The cache of Intel Xeon W-11555MLE is at 12.00 MB. The processor is manufactured in 10 nm.
Intel Core 2 Quad Q8400 Characteristic Intel Xeon W-11555MLE
45 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE2, SSE3, SSE4.1 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
LGA 775 Socket BGA 1787
VT-x, VT-d Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems
Q2/2009 Release date Q3/2021
-- Release price 317 $
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Rate these processors

Here you can rate the Intel Core 2 Quad Q8400 to help other visitors make their purchasing decisions. The average rating is 4.0 stars (1 ratings). Rate now:
Here you can rate the Intel Xeon W-11555MLE to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


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 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
369 (100%)
Intel Xeon W-11555MLE Intel Xeon W-11555MLE
6C 12T @ 4.40 GHz
0 (0%)

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 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
1155 (100%)
Intel Xeon W-11555MLE Intel Xeon W-11555MLE
6C 12T @ 2.60 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 Core 2 Quad Q8400 Intel Core 2 Quad Q8400
@ 0.00 GHz
0 (0%)
Intel Xeon W-11555MLE Intel Xeon W-11555MLE
Intel UHD Graphics 11th Gen (32 EU) @ 1.35 GHz
691 (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 Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
2029 (100%)
Intel Xeon W-11555MLE Intel Xeon W-11555MLE
6C 12T @ 2.60 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 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
894 (100%)
Intel Xeon W-11555MLE Intel Xeon W-11555MLE
6C 12T @ 1.90 GHz
0 (0%)

Devices using this processor
Intel Core 2 Quad Q8400 Intel Xeon W-11555MLE
Unknown Unknown

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