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SOURCE-LINKED COMPARISON

Kirin 990 4G vs Snapdragon 8cx

GPU description: Kirin 990 4G Mali-G76; Snapdragon 8cx Adreno 680 GPU. A sourced specification comparison.

Kirin 990 4G and Snapdragon 8cx are compared as product models in the same soc cohort. CPU cores: Kirin 990 4G lists 8; Snapdragon 8cx lists 8. Architecture: Kirin 990 4G lists Cortex-A76; Snapdragon 8cx lists Cortex-A76. The listed organization describes the documented configuration; it does not rank application speed.

Memory technology: Kirin 990 4G lists LPDDR4X-4266; Snapdragon 8cx lists LPDDR4X-4266. Memory bandwidth: Kirin 990 4G lists 31.78 GiB/s; Snapdragon 8cx lists 63.58 GiB/s. Maximum supported memory: Kirin 990 4G lists 8 GiB; Snapdragon 8cx lists 16 GiB. Process label: Kirin 990 4G lists 7 nm; Snapdragon 8cx lists 7 nm. GPU description: Kirin 990 4G lists Mali-G76; Snapdragon 8cx lists Adreno 680 GPU. The GPU and memory descriptions help identify the documented graphics and data interfaces. Process names and nominal limits require their original source context.

This comparison matches 10 sourced fields across 4 specification sections. 4 fields differ. 0 of 20 field values use manufacturer disclosures; remaining values retain their source evidence class. The field publication dates remain attached to their sources. There is no matched measured workload benchmark or current price evidence in this page, so it cannot establish a purchase winner, energy-efficiency winner or total system cost.

Documented differences

Specification / evidenceKirin 990 4Gproduct-model · socSnapdragon 8cxproduct-model · soc
CPU coresOrganization and listed limits do not establish workload performance.8Scope: product-modelEvidence: third-party-reportSource date: 2021-10-25Source: chipswiki-585-r1343 · Kirin 990 4G · revision 1343 · {{chip}} / core count8Scope: product-modelEvidence: third-party-reportSource date: 2022-01-17Source: chipswiki-539-r1099 · Qualcomm/snapdragon 800/8cx · revision 1099 · {{chip}} / core count
CPU threadsRead the original field scope, conditions and source before comparing.8Scope: product-modelEvidence: third-party-reportSource date: 2021-10-25Source: chipswiki-585-r1343 · Kirin 990 4G · revision 1343 · {{chip}} / thread count8Scope: product-modelEvidence: third-party-reportSource date: 2022-01-17Source: chipswiki-539-r1099 · Qualcomm/snapdragon 800/8cx · revision 1099 · {{chip}} / thread count
GPU descriptionOrganization and listed limits do not establish workload performance.Mali-G76Scope: product-modelEvidence: third-party-reportSource date: 2021-10-25Source: chipswiki-585-r1343 · Kirin 990 4G · revision 1343 · {{integrated graphics}} / gpuAdreno 680 GPUScope: product-modelEvidence: third-party-reportSource date: 2022-01-17Source: chipswiki-539-r1099 · Qualcomm/snapdragon 800/8cx · revision 1099 · {{integrated graphics}} / gpu
ArchitectureRead the original field scope, conditions and source before comparing.Cortex-A76Scope: product-modelEvidence: third-party-reportSource date: 2021-10-25Source: chipswiki-585-r1343 · Kirin 990 4G · revision 1343 · {{chip}} / microarchCortex-A76Scope: product-modelEvidence: third-party-reportSource date: 2022-01-17Source: chipswiki-539-r1099 · Qualcomm/snapdragon 800/8cx · revision 1099 · {{chip}} / microarch
Instruction setRead the original field scope, conditions and source before comparing.ARMv8Scope: product-modelEvidence: third-party-reportSource date: 2021-10-25Source: chipswiki-585-r1343 · Kirin 990 4G · revision 1343 · {{chip}} / isaARMv8Scope: product-modelEvidence: third-party-reportSource date: 2022-01-17Source: chipswiki-539-r1099 · Qualcomm/snapdragon 800/8cx · revision 1099 · {{chip}} / isa
Process labelFoundry process names are labels, not equivalent physical dimensions.7 nmScope: product-modelEvidence: third-party-reportSource date: 2021-10-25Source: chipswiki-585-r1343 · Kirin 990 4G · revision 1343 · {{chip}} / process7 nmScope: product-modelEvidence: third-party-reportSource date: 2022-01-17Source: chipswiki-539-r1099 · Qualcomm/snapdragon 800/8cx · revision 1099 · {{chip}} / process
Maximum supported memoryRead the original field scope, conditions and source before comparing.8 GiBScope: product-modelEvidence: third-party-reportSource date: 2021-10-25Source: chipswiki-585-r1343 · Kirin 990 4G · revision 1343 · {{memory controller}} / max mem16 GiBScope: product-modelEvidence: third-party-reportSource date: 2022-01-17Source: chipswiki-539-r1099 · Qualcomm/snapdragon 800/8cx · revision 1099 · {{memory controller}} / max mem
Memory bandwidthOrganization and listed limits do not establish workload performance.31.78 GiB/sScope: product-modelEvidence: third-party-reportSource date: 2021-10-25Source: chipswiki-585-r1343 · Kirin 990 4G · revision 1343 · {{memory controller}} / max bandwidth63.58 GiB/sScope: product-modelEvidence: third-party-reportSource date: 2022-01-17Source: chipswiki-539-r1099 · Qualcomm/snapdragon 800/8cx · revision 1099 · {{memory controller}} / max bandwidth
Memory channelsRead the original field scope, conditions and source before comparing.4Scope: product-modelEvidence: third-party-reportSource date: 2021-10-25Source: chipswiki-585-r1343 · Kirin 990 4G · revision 1343 · {{memory controller}} / channels8Scope: product-modelEvidence: third-party-reportSource date: 2022-01-17Source: chipswiki-539-r1099 · Qualcomm/snapdragon 800/8cx · revision 1099 · {{memory controller}} / channels
Memory technologyRead the original field scope, conditions and source before comparing.LPDDR4X-4266Scope: product-modelEvidence: third-party-reportSource date: 2021-10-25Source: chipswiki-585-r1343 · Kirin 990 4G · revision 1343 · {{memory controller}} / typeLPDDR4X-4266Scope: product-modelEvidence: third-party-reportSource date: 2022-01-17Source: chipswiki-539-r1099 · Qualcomm/snapdragon 800/8cx · revision 1099 · {{memory controller}} / type

Who should consider each?

Use the soc specifications to check the intended integration requirements. For a purchase, add current availability, price, software compatibility and measurements of your workload. The field differences alone do not justify recommending one model.

Related records

Sources

  1. Snapdragon 8cx — ChipsWiki, revision 1099 · ChipsWiki / WikiChip contributors · 2022-01-17 · CC BY-NC-SA 4.0
  2. Kirin 990 4G — ChipsWiki, revision 1343 · ChipsWiki / WikiChip contributors · 2021-10-25 · CC BY-NC-SA 4.0

A specification difference is not a measured workload result. Sources and entity scope must match before drawing performance conclusions.