Intel Core2 Extreme X6800 vs Intel Celeron 450

Last updated:

CPU comparison with benchmarks


Intel Core2 Extreme X6800 CPU1 vs CPU2 Intel Celeron 450
Intel Core2 Extreme X6800 Intel Celeron 450

CPU comparison

Intel Core2 Extreme X6800 or Intel Celeron 450 - 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 Core2 Extreme X6800 has 2 cores with 2 threads and clocks with a maximum frequency of 2.93 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core2 Extreme X6800 was released in Q3/2006.

The Intel Celeron 450 has 1 cores with 1 threads and clocks with a maximum frequency of 2.20 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Celeron 450 was released in Q3/2008.
Intel Core2 Extreme (7) Family Intel Celeron (165)
Intel Core 2 Extreme X6000 (1) CPU group Intel Celeron 400 (4)
1 Generation 1
Conroe (Core) Architecture Conroe (Core)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core2 Extreme X6800 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Core2 Extreme X6800 is 2.93 GHz while the Intel Celeron 450 has 1 CPU cores and 1 threads can calculate simultaneously. The clock frequency of the Intel Celeron 450 is at 2.20 GHz.

Intel Core2 Extreme X6800 Characteristic Intel Celeron 450
2 Cores 1
2 Threads 1
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
2.93 GHz Frequency 2.20 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

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 Core2 Extreme X6800 Characteristic Intel Celeron 450
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Core2 Extreme X6800 or Intel Celeron 450 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

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 Core2 Extreme X6800 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Celeron 450 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s.

Intel Core2 Extreme X6800 Characteristic Intel Celeron 450
DDR3-1333, DDR2-1066 Memory DDR3-1066, DDR2-800
16 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 17.1 GB/s
No ECC No
4.00 MB L2 Cache 0.50 MB
-- L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Core2 Extreme X6800 is 75 W, while the Intel Celeron 450 has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core2 Extreme X6800 Characteristic Intel Celeron 450
75 W TDP (PL1 / PBP) 35 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core2 Extreme X6800 is manufactured in 65 nm and has 4.00 MB cache. The Intel Celeron 450 is manufactured in 65 nm and has a 0.50 MB cache.

Intel Core2 Extreme X6800 Characteristic Intel Celeron 450
65 nm Technology 65 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE2, SSE3 ISA extensions MMX, SSE, SSE2, SSE3
LGA 775 Socket LGA 775
VT-x Virtualization None
No AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2006 Release date Q3/2008
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Core2 Extreme X6800 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the Intel Celeron 450 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core2 Extreme X6800 (100%)
Intel Celeron 450 (65%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core2 Extreme X6800 (100%)
Intel Celeron 450 (41%)

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 Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 GHz
417 (100%)
Intel Celeron 450 Intel Celeron 450
1C 1T @ 2.20 GHz
269 (65%)

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 Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 GHz
746 (100%)
Intel Celeron 450 Intel Celeron 450
1C 1T @ 2.20 GHz
269 (36%)

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 Core2 Extreme X6800 Intel Core2 Extreme X6800
2C 2T @ 2.93 GHz
942 (100%)
Intel Celeron 450 Intel Celeron 450
1C 1T @ 2.20 GHz
423 (45%)

Devices using this processor

Intel Core2 Extreme X6800 Intel Celeron 450
Unknown Unknown

Popular comparisons containing this CPUs

1. Intel Core2 Extreme X6800Intel Pentium E5300 Intel Core2 Extreme X6800 vs Intel Pentium E5300
2. Intel Core2 Extreme X6800Intel Core2 Duo E6600 Intel Core2 Extreme X6800 vs Intel Core2 Duo E6600
3. Intel Core2 Extreme X6800AMD Ryzen 5 5500U Intel Core2 Extreme X6800 vs AMD Ryzen 5 5500U
4. Intel Core2 Duo E6700Intel Core2 Extreme X6800 Intel Core2 Duo E6700 vs Intel Core2 Extreme X6800
5. Intel Core2 Extreme X6800Intel Core2 Duo E6400 Intel Core2 Extreme X6800 vs Intel Core2 Duo E6400
6. AMD Ryzen 5 6600HIntel Celeron 450 AMD Ryzen 5 6600H vs Intel Celeron 450
7. MediaTek MT6592Intel Core2 Extreme X6800 MediaTek MT6592 vs Intel Core2 Extreme X6800
8. Intel Core2 Extreme X6800Intel Core i7-2677M Intel Core2 Extreme X6800 vs Intel Core i7-2677M
9. Intel Core2 Extreme X6800AMD A8-6600K Intel Core2 Extreme X6800 vs AMD A8-6600K
10. Intel Celeron 450Intel Celeron N3050 Intel Celeron 450 vs Intel Celeron N3050


back to index