Intel Core i5-8265U vs Intel Core2 Extreme X6800

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CPU comparison with benchmarks


Intel Core i5-8265U CPU1 vs CPU2 Intel Core2 Extreme X6800
Intel Core i5-8265U Intel Core2 Extreme X6800

CPU comparison

Intel Core i5-8265U or Intel Core2 Extreme X6800 - 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 i5-8265U has 4 cores with 8 threads and clocks with a maximum frequency of 3.90 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i5-8265U was released in Q3/2018.

The Intel Core2 Extreme X6800 has 2 cores with 2 threads and clocks with a maximum frequency of 2.93 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core2 Extreme X6800 was released in Q3/2006.
Intel Core i5 (328) Family Intel Core2 Extreme (7)
Intel Core i 8000U (8) CPU group Intel Core 2 Extreme X6000 (1)
8 Generation 1
Whiskey Lake U Architecture Conroe (Core)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i5-8265U is a 4 core processor with a clock frequency of 1.60 GHz (3.90 GHz). The Intel Core2 Extreme X6800 has 2 CPU cores with a clock frequency of 2.93 GHz.

Intel Core i5-8265U Characteristic Intel Core2 Extreme X6800
4 Cores 2
8 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
1.60 GHz Frequency 2.93 GHz
3.90 GHz Turbo Frequency (1 Core) --
2.30 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 i5-8265U Characteristic Intel Core2 Extreme X6800
-- 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.

Intel UHD Graphics 620 GPU no iGPU
0.30 GHz GPU frequency --
1.10 GHz GPU (Turbo) --
9.5 GPU Generation --
14 nm Technology
3 Max. displays
24 Compute units --
192 Shader --
No Hardware Raytracing No
No Frame Generation No
16 GB Max. GPU Memory --
12 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.

Intel UHD Graphics 620 GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Core i5-8265U supports a maximum of 32 GB of memory in 2 memory channels. The Intel Core2 Extreme X6800 can connect up to 16 GB of memory in 2 memory channels.

Intel Core i5-8265U Characteristic Intel Core2 Extreme X6800
DDR4-2400 Memory DDR3-1333, DDR2-1066
32 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
38.4 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache 4.00 MB
6.00 MB L3 Cache --
3.0 PCIe version --
16 PCIe lanes --
15.8 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i5-8265U has a TDP of 15 W, that of the Intel Core2 Extreme X6800 is 75 W.

Intel Core i5-8265U Characteristic Intel Core2 Extreme X6800
15 W TDP (PL1 / PBP) 75 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core i5-8265U has a 6.00 MB cache, while the Intel Core2 Extreme X6800 cache has a total of 4.00 MB.

Intel Core i5-8265U Characteristic Intel Core2 Extreme X6800
14 nm Technology 65 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions MMX, SSE2, SSE3
BGA 1356 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
Q3/2018 Release date Q3/2006
385 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 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 Core i5-8265U Intel Core i5-8265U
4C 8T @ 3.90 GHz
909 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 GHz
417 (46%)

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 i5-8265U Intel Core i5-8265U
4C 8T @ 2.30 GHz
2806 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 GHz
746 (27%)

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 i5-8265U Intel Core i5-8265U
4C 8T @ 2.30 GHz
6062 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 GHz
942 (16%)

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 i5-8265U Intel Core i5-8265U
4C 8T @ 3.90 GHz
606 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 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 i5-8265U Intel Core i5-8265U
4C 8T @ 2.30 GHz
1674 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 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 i5-8265U Intel Core i5-8265U
4C 8T @ 3.90 GHz
1286 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 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 i5-8265U Intel Core i5-8265U
4C 8T @ 2.30 GHz
3267 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 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 i5-8265U Intel Core i5-8265U
Intel UHD Graphics 620 @ 1.10 GHz
422 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
@ 0.00 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 i5-8265U Intel Core i5-8265U
4C 8T @ 2.30 GHz
30 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 GHz
0 (0%)

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 Core i5-8265U Intel Core i5-8265U
4C 8T @ 2.30 GHz
637.2 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 GHz
0 (0%)

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 Core i5-8265U Intel Core i5-8265U
4C 8T @ 2.30 GHz
390 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 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 i5-8265U Intel Core i5-8265U
4C 8T @ 1.60 GHz
1737 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 GHz
0 (0%)

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 i5-8265U Intel Core i5-8265U
4C 8T @ 3.90 GHz
171 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 GHz
0 (0%)

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 i5-8265U Intel Core i5-8265U
4C 8T @ 2.30 GHz
549 (100%)
Intel Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 GHz
0 (0%)

Devices using this processor

Intel Core i5-8265U Intel Core2 Extreme X6800
Acer Aspire 3 (A315-54-56KY) - 15.6 Zoll Laptop
HP 250 G7 15.6 Zoll Business Laptop - Intel Core i5-8265U
Lenovo ThinkPad X390 Yoga - Intel i5-8265U
Acer Aspire 5 (A515-54G-59WR) - 15.6 Zoll Laptop
Unknown

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