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AMD Athlon II X4 638 vs AMD Athlon II X4 620

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AMD Athlon II X4 638

The AMD Athlon II X4 638 operates with 4 cores and 4 CPU threads. It run at -- base -- all cores while the TDP is set at 65 W.The processor is attached to the FM1 CPU socket. This version includes -- of L3 cache on one chip, supports 2 memory channels to support DDR3-1333 RAM and features PCIe Gen lanes. Tjunction keeps below -- degrees C. In particular, Llano Architecture is enhanced with 32 nm technology and supports AMD-V. The product was launched on Q1/2012

AMD Athlon II X4 620

The AMD Athlon II X4 620 operates with 4 cores and 4 CPU threads. It run at -- base -- all cores while the TDP is set at 95 W.The processor is attached to the AM3 CPU socket. This version includes -- of L3 cache on one chip, supports 2 memory channels to support DDR3-1333 RAM and features PCIe Gen lanes. Tjunction keeps below -- degrees C. In particular, Propus Architecture is enhanced with 45 nm technology and supports AMD-V. The product was launched on Q3/2009

AMD Athlon II X4 638

AMD Athlon II X4 620

AMD Athlon II X4 638

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AMD Athlon II X4 620

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Compare Detail

2.70 GHz	Frequency	2.60 GHz
4	Cores	4
--	Turbo (1 Core)	--
--	Turbo (All Cores)	--
No	Hyperthreading	No
No	Overclocking	No
normal	Core Architecture	normal
no iGPU	GPU	no iGPU
No turbo	GPU (Turbo)	No turbo
32 nm	Technology	45 nm
No turbo	GPU (Turbo)	No turbo
	DirectX Version
	Max. displays
DDR3-1333	Memory	DDR3-1333
2	Memory channels	2
	Max memory
No	ECC	No
4.00 MB	L2 Cache	2.00 MB
--	L3 Cache	--
	PCIe version
	PCIe lanes
32 nm	Technology	45 nm
FM1	Socket	AM3
65 W	TDP	95 W
AMD-V	Virtualization	AMD-V
Q1/2012	Release date	Q3/2009
Show more data		Show more data

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 Athlon II X4 638 (0%)

AMD Athlon II X4 620 340 (15%)

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 Athlon II X4 638 (0%)

AMD Athlon II X4 620 1,276 (2%)

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 Athlon II X4 638 (0%)

AMD Athlon II X4 620 135 (15%)

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 Athlon II X4 638 (0%)

AMD Athlon II X4 620 506 (2%)

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 Athlon II X4 638 (0%)

AMD Athlon II X4 620 65 (19%)

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 Athlon II X4 638 (0%)

AMD Athlon II X4 620 239 (2%)

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 Athlon II X4 638 377 (17%)

AMD Athlon II X4 620 337 (15%)

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 Athlon II X4 638 1,327 (3%)

AMD Athlon II X4 620 1,156 (2%)

Geekbench 3, 64bit (Single-Core)

Geekbench 3 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 Athlon II X4 638 (0%)

AMD Athlon II X4 620 1,406 (20%)

Geekbench 3, 64bit (Multi-Core)

Geekbench 3 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 Athlon II X4 638 (0%)

AMD Athlon II X4 620 4,857 (5%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-Comparison. However the majority of CPUs have not been tested and the results have been estimated by a CPU-Comparison’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 Athlon II X4 638 (0%)

AMD Athlon II X4 620 1,917 (2%)

Electric Usage Estimate

Average hours of use per day

Average CPU Utilization (0-100%)

Power cost, dollar per kWh

Electric Usage Estimate

Average hours of use per day

Average CPU Utilization (0-100%)

Power cost, dollar per kWh

AMD Athlon II X4 638		AMD Athlon II X4 620
65 W	Max TDP	95 W
NA	Power consumption per day (kWh)	NA
NA	Running cost per day	NA
NA	Power consumption per year (kWh)	NA
NA	Running cost per year	NA