Intel Core i5-12400F vs Intel Core 2 Extreme QX6850

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CPU comparison with benchmarks


Intel Core i5-12400F CPU1 vs CPU2 Intel Core 2 Extreme QX6850
Intel Core i5-12400F Intel Core 2 Extreme QX6850

CPU comparison

Intel Core i5-12400F or Intel Core 2 Extreme QX6850 - 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 Core i5-12400F has 6 cores with 12 threads and clocks with a maximum frequency of 4.40 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i5-12400F was released in Q1/2022.

The Intel Core 2 Extreme QX6850 has 4 cores with 4 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core 2 Extreme QX6850 was released in Q3/2007.
Intel Core i5 (331) Family Intel Core2 Extreme (7)
Intel Core i 12000 (34) CPU group Intel Core 2 Extreme QX6000 (3)
12 Generation 1
Alder Lake S Architecture Kentsfield (Core)
Desktop / Server Segment Desktop / Server
Intel Core i5-11400F Predecessor --
Intel Core i5-13400F Successor --

CPU Cores and Base Frequency

The Intel Core i5-12400F is a 6 core processor with a clock frequency of 2.50 GHz (4.40 GHz). The Intel Core 2 Extreme QX6850 has 4 CPU cores with a clock frequency of 3.00 GHz.
Intel Core i5-12400F Characteristic Intel Core 2 Extreme QX6850
6 Cores 4
12 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
2.50 GHz Frequency 3.00 GHz
4.40 GHz Turbo Frequency (1 Core) --
4.00 GHz Turbo Frequency (All Cores) --

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 i5-12400F Characteristic Intel Core 2 Extreme QX6850
-- 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 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

The Intel Core i5-12400F supports a maximum of 128 GB of memory in 2 memory channels. The Intel Core 2 Extreme QX6850 can connect up to 16 GB of memory in 2 memory channels.
Intel Core i5-12400F Characteristic Intel Core 2 Extreme QX6850
DDR5-4800, DDR4-3200 Memory DDR3-1066, DDR2-800
128 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
76.8 GB/s Max. Bandwidth 17.1 GB/s
No ECC No
7.50 MB L2 Cache 8.00 MB
18.00 MB L3 Cache --
5.0 PCIe version --
20 PCIe lanes --
78.8 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i5-12400F has a TDP of 65 W, that of the Intel Core 2 Extreme QX6850 is 130 W.
Intel Core i5-12400F Characteristic Intel Core 2 Extreme QX6850
65 W TDP (PL1 / PBP) 130 W
117 W TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i5-12400F has a 25.50 MB cache, while the Intel Core 2 Extreme QX6850 cache has a total of 8.00 MB.
Intel Core i5-12400F Characteristic Intel Core 2 Extreme QX6850
10 nm Technology 65 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions MMX, SSE2, SSE3
LGA 1700 Socket LGA 775
VT-x, VT-x EPT, VT-d Virtualization VT-x
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q1/2022 Release date Q3/2007
167 $ Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core i5-12400F (100%)
Intel Core 2 Extreme QX6850 (25%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core i5-12400F (100%)
Intel Core 2 Extreme QX6850 (13%)

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 i5-12400F Intel Core i5-12400F
6C 12T @ 4.40 GHz
1647 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
4C 4T @ 3.00 GHz
417 (25%)

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 i5-12400F Intel Core i5-12400F
6C 12T @ 4.00 GHz
9451 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
4C 4T @ 3.00 GHz
1358 (14%)

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 i5-12400F Intel Core i5-12400F
6C 12T @ 4.00 GHz
19559 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
4C 4T @ 3.00 GHz
2271 (12%)

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 Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.40 GHz
102 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
4C 4T @ 3.00 GHz
0 (0%)

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 Core i5-12400F Intel Core i5-12400F
6C 12T @ 4.40 GHz
701 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
4C 4T @ 3.00 GHz
0 (0%)

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 i5-12400F Intel Core i5-12400F
6C 12T @ 4.40 GHz
1623 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
4C 4T @ 3.00 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 i5-12400F Intel Core i5-12400F
6C 12T @ 4.00 GHz
12454 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
4C 4T @ 3.00 GHz
0 (0%)

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 i5-12400F Intel Core i5-12400F
6C 12T @ 4.40 GHz
2197 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
4C 4T @ 3.00 GHz
0 (0%)

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 i5-12400F Intel Core i5-12400F
6C 12T @ 4.00 GHz
8668 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
4C 4T @ 3.00 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 i5-12400F Intel Core i5-12400F
6C 12T @ 4.40 GHz
664 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
4C 4T @ 3.00 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 i5-12400F Intel Core i5-12400F
6C 12T @ 4.00 GHz
4784 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
4C 4T @ 3.00 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 i5-12400F Intel Core i5-12400F
6C 12T @ 4.00 GHz
170 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
4C 4T @ 3.00 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 i5-12400F Intel Core i5-12400F
6C 12T @ 2.50 GHz
4772 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
4C 4T @ 3.00 GHz
0 (0%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
Intel Core i5-12400F Intel Core i5-12400F
12,454 CB R23 MC @ 82 W
152 (100%)
Intel Core 2 Extreme QX6850 Intel Core 2 Extreme QX6850
3.00 GHz
0 (0%)

Devices using this processor
Intel Core i5-12400F Intel Core 2 Extreme QX6850
Unknown Unknown

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