Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 8cx Gen. 2

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Qualcomm Snapdragon 821

The Qualcomm Snapdragon 821 operates with 4 cores and 4 CPU threads. It run at 2.40 GHz base 1.60 GHz all cores while the TDP is set at .The processor is attached to the N/A CPU socket. This version includes -- of L3 cache on one chip, supports 4 memory channels to support LPDDR4-1866 RAM and features PCIe Gen lanes. Tjunction keeps below -- degrees C. In particular, Kryo Architecture is enhanced with 14 nm technology and supports None. The product was launched on Q3/2016

Qualcomm Snapdragon 8cx Gen. 2

The Qualcomm Snapdragon 8cx Gen. 2 operates with 8 cores and 4 CPU threads. It run at 2.84 GHz base 2.84 GHz all cores while the TDP is set at 7 W.The processor is attached to the N/A CPU socket. This version includes 2.00 MB of L3 cache on one chip, supports 8 memory channels to support LPDDR4X-2133 RAM and features PCIe Gen lanes. Tjunction keeps below -- degrees C. In particular, Kryo 495 Architecture is enhanced with 7 nm technology and supports None. The product was launched on Q4/2018

Qualcomm Snapdragon 821

Qualcomm Snapdragon 8cx Gen. 2

Qualcomm Snapdragon 821

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Qualcomm Snapdragon 8cx Gen. 2

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Compare Detail

2.40 GHz	Frequency	1.80 GHz
4	Cores	8
2.40 GHz	Turbo (1 Core)	2.84 GHz
1.60 GHz	Turbo (All Cores)	2.84 GHz
No	Hyperthreading	No
No	Overclocking	No
hybrid (big.LITTLE)	Core Architecture	hybrid (big.LITTLE)
Qualcomm Adreno 530	GPU	Qualcomm Adreno 690
0.62 GHz	GPU (Turbo)	0.59 GHz
14 nm	Technology	7 nm
0.62 GHz	GPU (Turbo)	0.59 GHz
11,1	DirectX Version	12.0
0	Max. displays	0
LPDDR4-1866	Memory	LPDDR4X-2133
4	Memory channels	8
	Max memory
No	ECC	No
--	L2 Cache	--
--	L3 Cache	2.00 MB
	PCIe version
	PCIe lanes
14 nm	Technology	7 nm
N/A	Socket	N/A
	TDP	7 W
None	Virtualization	None
Q3/2016	Release date	Q4/2018
Show more data		Show more data

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.

Qualcomm Snapdragon 821 306 (14%)

Qualcomm Snapdragon 8cx Gen. 2 765 (36%)

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.

Qualcomm Snapdragon 821 787 (2%)

Qualcomm Snapdragon 8cx Gen. 2 2,856 (7%)

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.

Qualcomm Snapdragon 821 477 (2%)

Qualcomm Snapdragon 8cx Gen. 2 (0%)

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

Qualcomm Snapdragon 821		Qualcomm Snapdragon 8cx Gen. 2
	Max TDP	7 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