AMD FX-9800P vs AMD Athlon II X4 645

Last updated: 2022-03-28

CPU comparison with benchmarks


AMD FX-9800P		AMD Athlon II X4 645
CPU comparison AMD FX-9800P or AMD Athlon II X4 645 - 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 AMD FX-9800P has 4 cores with 4 threads and clocks with a maximum frequency of 3.60 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD FX-9800P was released in Q2/2016. The AMD Athlon II X4 645 has 4 cores with 4 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon II X4 645 was released in Q3/2010.

AMD FX (30)	Family	AMD Athlon II (52)
AMD FX-9800 (2)	CPU group	AMD Athlon II X4 (Propus) (10)
4	Generation	1
Excavator (Bristol Ridge)	Architecture	Propus
Mobile	Segment	Desktop / Server
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The AMD FX-9800P has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD FX-9800P is 2.70 GHz (3.60 GHz) while the AMD Athlon II X4 645 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Athlon II X4 645 is at 3.10 GHz.
AMD FX-9800P	Characteristic	AMD Athlon II X4 645
4	Cores	4
4	Threads	4
normal	Core architecture	normal
No	Hyperthreading	No
No	Overclocking ?	No
2.70 GHz	Frequency	3.10 GHz
3.60 GHz	Turbo Frequency (1 Core)	--
3.10 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.
AMD FX-9800P	Characteristic	AMD Athlon II X4 645
--	AI hardware	--
--	AI specifications	--

Internal Graphics The AMD FX-9800P or AMD Athlon II X4 645 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.
AMD Radeon R7 - 512 (Bristol Ridge)	GPU	no iGPU
0.76 GHz	GPU frequency	--
--	GPU (Turbo)	--
6	GPU Generation	--
28 nm	Technology
2	Max. displays
8	Compute units	--
512	Shader	--
No	Hardware Raytracing	No
No	Frame Generation	No
2 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.
AMD Radeon R7 - 512 (Bristol Ridge)	GPU	no iGPU
No	Codec h265 / HEVC (8 bit)	No
No	Codec h265 / HEVC (10 bit)	No
Decode	Codec h264	No
No	Codec VP9	No
No	Codec VP8	No
No	Codec AV1	No
Decode	Codec AVC	No
Decode	Codec VC-1	No
Decode / Encode	Codec JPEG	No

Memory & PCIe The AMD FX-9800P can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 29.9 GB/s. The AMD Athlon II X4 645 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.
AMD FX-9800P	Characteristic	AMD Athlon II X4 645
DDR4-1866	Memory	DDR3-1333
64 GB	Max. Memory	16 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
29.9 GB/s	Max. Bandwidth	21.3 GB/s
No	ECC	No
2.00 MB	L2 Cache	2.00 MB
--	L3 Cache	--
3.0	PCIe version	2.0
8	PCIe lanes	--
7.9 GB/s	PCIe Bandwidth	--
Thermal Management The thermal design power (TDP for short) of the AMD FX-9800P is 15 W, while the AMD Athlon II X4 645 has a TDP of 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD FX-9800P	Characteristic	AMD Athlon II X4 645
15 W	TDP (PL1 / PBP)	95 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	--
90 °C	Tjunction max.	--
Technical details The AMD FX-9800P is manufactured in 28 nm and has 2.00 MB cache. The AMD Athlon II X4 645 is manufactured in 45 nm and has a 2.00 MB cache.
AMD FX-9800P	Characteristic	AMD Athlon II X4 645
28 nm	Technology	45 nm
Unknown	Chip design	Unknown
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX, AVX2, FMA3, FMA4	ISA extensions	MMX, 3DNow!, SSE3, SSE4a
FP4	Socket	AM3
AMD-V	Virtualization	AMD-V
Yes	AES-NI	No
	Operating systems	Windows 10, Linux
Q2/2016	Release date	Q3/2010
--	Release price	--

show more data		show more data

AMD FX-9800P 4C 4T @ 2.70 GHz (3.60 GHz) buy now on Amazon and save! AMD Athlon II X4 645 4C 4T @ 3.10 GHz buy now on Amazon and save!

Rate these processors

Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks

AMD FX-9800P (100%)

AMD Athlon II X4 645 (84%)

⌀ Multi core performance in 1 CPU benchmarks

AMD FX-9800P (94%)

AMD Athlon II X4 645 (100%)

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 FX-9800P 4C 4T @ 3.60 GHz	475 (100%)
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	399 (84%)

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 FX-9800P 4C 4T @ 3.10 GHz	1288 (94%)
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	1374 (100%)

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.


	AMD FX-9800P 4C 4T @ 3.60 GHz	0 (0%)
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	402 (100%)

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.


	AMD FX-9800P 4C 4T @ 3.10 GHz	0 (0%)
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	1520 (100%)

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.


	AMD FX-9800P 4C 4T @ 3.60 GHz	0 (0%)
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	157 (100%)

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.


	AMD FX-9800P 4C 4T @ 3.10 GHz	0 (0%)
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	601 (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 FX-9800P AMD Radeon R7 - 512 (Bristol Ridge) @ 0.76 GHz	782 (100%)
	AMD Athlon II X4 645 @ 0.00 GHz	0 (0%)

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 FX-9800P 4C 4T @ 3.10 GHz	0 (0%)
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	2274 (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 FX-9800P 4C 4T @ 2.70 GHz	0 (0%)
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	575 (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 FX-9800P 4C 4T @ 3.60 GHz	77 (100%)
	AMD Athlon II X4 645 4C 4T @ 3.10 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.


	AMD FX-9800P 4C 4T @ 3.10 GHz	237 (100%)
	AMD Athlon II X4 645 4C 4T @ 3.10 GHz	0 (0%)

Devices using this processor
AMD FX-9800P	AMD Athlon II X4 645
Unknown	Unknown

Popular comparisons containing this CPUs


1.		AMD FX-9800P vs Intel Core i7-970
2.		AMD Phenom II X4 955 vs AMD Athlon II X4 645
3.		Intel Core i7-3740QM vs AMD FX-9800P
4.		AMD Athlon II X4 645 vs Intel Core i5-1240P
5.		Intel Celeron N5105 vs AMD FX-9800P
6.		AMD FX-9800P vs Intel Core i7-960
7.		AMD FX-9800P vs Intel Celeron J4125
8.		Intel Xeon D-1602 vs AMD FX-9800P
9.		AMD FX-9800P vs Intel Celeron J3455
10.		MediaTek MT6738 vs AMD FX-9800P