AMD Phenom II X2 521 vs Intel Celeron 847 Benchmark, comparison and differences


AMD Phenom II X2 521		Intel Celeron 847
CPU comparison In this CPU comparison, we compare the AMD Phenom II X2 521 and the Intel Celeron 847 and use benchmarks to check which processor is faster. We compare the AMD Phenom II X2 521 2 core processor released in Q2/2011 with the Intel Celeron 847 which has 2 CPU cores and was introduced in Q2/2011.

AMD Phenom II (52)	Family	Intel Celeron (165)
AMD Phenom II - 500 (2)	CPU group	Intel Celeron 800 (2)
1	Generation	2
Regor (K10)	Architecture	Sandy Bridge U
Desktop / Server	Segment	Mobile
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The AMD Phenom II X2 521 is a 2 core processor with a clock frequency of 3.50 GHz. The processor can compute 2 threads at the same time. The Intel Celeron 847 clocks with 1.10 GHz, has 2 CPU cores and can calculate 2 threads in parallel.
AMD Phenom II X2 521	Characteristic	Intel Celeron 847
2	Cores	2
2	Threads	2
normal	Core architecture	normal
No	Hyperthreading	No
Yes	Overclocking ?	No
3.50 GHz	Frequency	1.10 GHz
--	Turbo Frequency (1 Core)	--
--	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.
AMD Phenom II X2 521	Characteristic	Intel Celeron 847
--	AI hardware	--
--	AI specifications	--

Internal Graphics 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 HD Graphics (Sandy Bridge GT1)
	GPU frequency	0.35 GHz
--	GPU (Turbo)	0.80 GHz
--	GPU Generation	6
	Technology	32 nm
	Max. displays	2
--	Compute units	6
--	Shader	48
No	Hardware Raytracing	No
No	Frame Generation	No
--	Max. GPU Memory	2 GB
--	DirectX Version	10.1

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 HD Graphics (Sandy Bridge GT1)
No	Codec h265 / HEVC (8 bit)	No
No	Codec h265 / HEVC (10 bit)	No
No	Codec h264	Decode / Encode
No	Codec VP9	No
No	Codec VP8	No
No	Codec AV1	No
No	Codec AVC	Decode / Encode
No	Codec VC-1	Decode
No	Codec JPEG	No

Memory & PCIe Up to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X2 521, while the Intel Celeron 847 supports a maximum of 16 GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled.
AMD Phenom II X2 521	Characteristic	Intel Celeron 847
DDR3-1333, DDR2-1066	Memory	DDR3-1333
	Max. Memory	16 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
21.3 GB/s	Max. Bandwidth	21.3 GB/s
No	ECC	No
--	L2 Cache	--
2.00 MB	L3 Cache	2.00 MB
--	PCIe version	2.0
--	PCIe lanes	16
--	PCIe Bandwidth	8.0 GB/s
Thermal Management The AMD Phenom II X2 521 has a TDP of 65 W. The TDP of the Intel Celeron 847 is 17 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.
AMD Phenom II X2 521	Characteristic	Intel Celeron 847
65 W	TDP (PL1 / PBP)	17 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	--
--	Tjunction max.	100 °C
Technical details The AMD Phenom II X2 521 has 2.00 MB cache and is manufactured in 45 nm. The cache of Intel Celeron 847 is at 2.00 MB. The processor is manufactured in 32 nm.
AMD Phenom II X2 521	Characteristic	Intel Celeron 847
45 nm	Technology	32 nm
Unknown	Chip design	Monolithic
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE3, SSE4a	ISA extensions	SSE4.1, SSE4.2
AM3	Socket	BGA 1023
AMD-V	Virtualization	VT-x, VT-x EPT, VT-d
No	AES-NI	Yes
Windows 10, Linux	Operating systems	Windows 10, Linux
Q2/2011	Release date	Q2/2011
35 $	Release price	134 $

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AMD Phenom II X2 521 2C 2T @ 3.50 GHz buy now on Amazon and save! Intel Celeron 847 2C 2T @ 1.10 GHz buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks

AMD Phenom II X2 521 (0%)

Intel Celeron 847 (0%)

⌀ Multi core performance in 2 CPU benchmarks

AMD Phenom II X2 521 (100%)

Intel Celeron 847 (30%)

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.


	AMD Phenom II X2 521 2C 2T @ 3.50 GHz	2253 (100%)
	Intel Celeron 847 2C 2T @ 1.10 GHz	472 (21%)

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.


	AMD Phenom II X2 521 2C 2T @ 3.50 GHz	177 (100%)
	Intel Celeron 847 2C 2T @ 1.10 GHz	68 (38%)

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.


	AMD Phenom II X2 521 2C 2T @ 3.50 GHz	0 (0%)
	Intel Celeron 847 2C 2T @ 1.10 GHz	230 (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.


	AMD Phenom II X2 521 2C 2T @ 3.50 GHz	0 (0%)
	Intel Celeron 847 2C 2T @ 1.10 GHz	405 (100%)

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.


	AMD Phenom II X2 521 @ 0.00 GHz	0 (0%)
	Intel Celeron 847 Intel HD Graphics (Sandy Bridge GT1) @ 0.80 GHz	77 (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.


	AMD Phenom II X2 521 2C 2T @ 3.50 GHz	0 (0%)
	Intel Celeron 847 2C 2T @ 1.10 GHz	200 (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.


	AMD Phenom II X2 521 2C 2T @ 3.50 GHz	92 (100%)
	Intel Celeron 847 2C 2T @ 1.10 GHz	0 (0%)


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AMD Phenom II X2 521 vs Intel Celeron 847

CPU comparison with benchmarks

CPU comparison

CPU Cores and Base Frequency

Artificial Intelligence and Machine Learning

Internal Graphics

Hardware codec support

Memory & PCIe

Thermal Management

Technical details