Qualcomm Snapdragon 636 VS Qualcomm Snapdragon 845

Comparison of video cards Qualcomm Snapdragon 636 vs Qualcomm Snapdragon 845 in benchmarks and specifications.

Differences Specifications Benchmarks

Differences

Top features of Qualcomm Snapdragon 636

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Top features of Qualcomm Snapdragon 845

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Higher clock speed

1.80 GHz 1.60 GHz

Around 11% better clock speed
Higher turbo clock speed

2.80 GHz 1.80 GHz

Around 36 % better overclocked clock speed

Specifications

Complete list of technical specifications

Qualcomm Snapdragon 636 Qualcomm Snapdragon 845

CPU generation and family

Let's find out which one of Qualcomm Snapdragon 636 and Qualcomm Snapdragon 845 is of a more recent generation, and what segment it belongs to.

Specification	Value
Name	Qualcomm Snapdragon 636 Qualcomm Snapdragon 845
Segment	Mobile Mobile
Family	Qualcomm Snapdragon Qualcomm Snapdragon
Generation	5 5
CPU group	Qualcomm Snapdragon 636 Qualcomm Snapdragon 845

CPU Cores and Base Frequency

In this block we are going to compare Qualcomm Snapdragon 636 vs Qualcomm Snapdragon 845 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

Specification	Value
Frequency	1.60 GHz 1.80 GHz
CPU Cores	8 8
Turbo (1 Core)	1.80 GHz 2.80 GHz
CPU Threads	8 8
Turbo (8 Cores)	1.60 GHz 2.80 GHz
Hyperthreading	No No
Overclocking	No No
Core architecture	hybrid (big.LITTLE) hybrid (big.LITTLE)
A core	4x Kryo 260 Gold 4x Kryo 385 Gold
B core	4x Kryo 260 Silver 4x Kryo 385 Silver

Internal Graphics

Common specifications for integrated graphics cards in Qualcomm Snapdragon 636 and Qualcomm Snapdragon 845 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

Specification	Value
GPU name	Qualcomm Adreno 509 Qualcomm Adreno 630
GPU frequency	0.72 GHz 0.70 GHz
GPU (Turbo)	0.72 GHz No turbo
Shader	128 256
Max. GPU Memory	-- 8 GB
Max. displays	0 2
Generation	5 4
DirectX Version	12.1 11
Technology	14 nm 10 nm
Release date	Q2/2017 Q1/2018

Hardware codec support

Let's compare the support of video codecs between Qualcomm Snapdragon 636 and Qualcomm Snapdragon 845. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

Specification	Value
h265 / HEVC (8 bit)	Decode Decode
h265 / HEVC (10 bit)	No Decode
h264	Decode Decode / Encode
VP9	Decode Decode
VP8	Decode Decode
AV1	No No
AVC	No Decode
VC-1	Decode Decode
JPEG	Decode Decode / Encode

Memory & PCIe

To choose the best model between Qualcomm Snapdragon 636 and Qualcomm Snapdragon 845 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

Specification	Value
Memory type	LPDDR4-1333 LPDDR4X-1866
Max. Memory	8 GB
ECC	No No
Memory channels	2 4

Encryption

AES-NI encryption support for CPUs Qualcomm Snapdragon 636 and Qualcomm Snapdragon 845.

Specification	Value
AES-NI	No No

Thermal Management

Let's find out what TDP value would be better for Qualcomm Snapdragon 636 or Qualcomm Snapdragon 845? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

Specification	Value

Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for Qualcomm Snapdragon 636 and Qualcomm Snapdragon 845 CPUs along with a list of ISA extensions.

Specification	Value
Instruction set (ISA)	ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
Virtualization	None None
L2-Cache	-- 0.51 MB
L3-Cache	-- 2.00 MB
Architecture	Kryo 260 Kryo 385
Technology	14 nm 10 nm
Socket	N/A N/A
Release date	Q4/2017 Q1/2018
Part Number	SDM636 SDM845