Qualcomm Snapdragon 427 vs AMD Phenom II X4 805

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CPU comparison with benchmarks


Qualcomm Snapdragon 427 CPU1 vs CPU2 AMD Phenom II X4 805
Qualcomm Snapdragon 427 AMD Phenom II X4 805

CPU comparison

Qualcomm Snapdragon 427 or AMD Phenom II X4 805 - 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 Qualcomm Snapdragon 427 has 4 cores with 4 threads and clocks with a maximum frequency of 1.40 GHz. Up to 4 GB of memory is supported in 1 memory channels. The Qualcomm Snapdragon 427 was released in Q1/2017.

The AMD Phenom II X4 805 has 4 cores with 4 threads and clocks with a maximum frequency of 2.50 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X4 805 was released in Q1/2009.
Qualcomm Snapdragon (102) Family AMD Phenom II (52)
Qualcomm Snapdragon 425/427 (2) CPU group AMD Phenom II - 800/900 (23)
3 Generation 4
Cortex-A53 Architecture Deneb (K10)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Qualcomm Snapdragon 427 is a 4 core processor with a clock frequency of 1.40 GHz. The AMD Phenom II X4 805 has 4 CPU cores with a clock frequency of 2.50 GHz.

Qualcomm Snapdragon 427 Characteristic AMD Phenom II X4 805
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? Yes
1.40 GHz Frequency 2.50 GHz
-- Turbo Frequency (1 Core) --
-- 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.

Qualcomm Snapdragon 427 Characteristic AMD Phenom II X4 805
Qualcomm AI engine AI hardware --
Hexagon 536 AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Qualcomm Adreno 308 GPU no iGPU
0.50 GHz GPU frequency --
0.50 GHz GPU (Turbo) --
3 GPU Generation --
28 nm Technology
0 Max. displays
-- Compute units --
24 Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
11 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.

Qualcomm Adreno 308 GPU no iGPU
Decode Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Qualcomm Snapdragon 427 supports a maximum of 4 GB of memory in 1 memory channels. The AMD Phenom II X4 805 can connect up to GB of memory in 2 memory channels.

Qualcomm Snapdragon 427 Characteristic AMD Phenom II X4 805
LPDDR3-1333 Memory DDR3-1333, DDR2-1066
4 GB Max. Memory
1 (Single Channel) Memory channels 2 (Dual Channel)
5.4 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
-- L3 Cache 4.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Qualcomm Snapdragon 427 has a TDP of --, that of the AMD Phenom II X4 805 is 95 W.

Qualcomm Snapdragon 427 Characteristic AMD Phenom II X4 805
-- TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Qualcomm Snapdragon 427 has a 0.00 MB cache, while the AMD Phenom II X4 805 cache has a total of 4.00 MB.

Qualcomm Snapdragon 427 Characteristic AMD Phenom II X4 805
28 nm Technology 45 nm
Chiplet Chip design Unknown
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE3, SSE4a
-- Socket AM3
None Virtualization AMD-V
No AES-NI No
Android Operating systems Windows 10, Linux
Q1/2017 Release date Q1/2009
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Qualcomm Snapdragon 427 (33%)
AMD Phenom II X4 805 (100%)
⌀ Multi core performance in 2 CPU benchmarks
Qualcomm Snapdragon 427 (28%)
AMD Phenom II X4 805 (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.
Qualcomm Snapdragon 427 Qualcomm Snapdragon 427
4C 4T @ 1.40 GHz
116 (33%)
AMD Phenom II X4 805 AMD Phenom II X4 805
4C 4T @ 2.50 GHz
348 (100%)

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 427 Qualcomm Snapdragon 427
4C 4T @ 1.40 GHz
376 (31%)
AMD Phenom II X4 805 AMD Phenom II X4 805
4C 4T @ 2.50 GHz
1209 (100%)

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.
Qualcomm Snapdragon 427 Qualcomm Snapdragon 427
4C 4T @ 1.40 GHz
437 (24%)
AMD Phenom II X4 805 AMD Phenom II X4 805
4C 4T @ 2.50 GHz
1844 (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.
Qualcomm Snapdragon 427 Qualcomm Snapdragon 427
Qualcomm Adreno 308 @ 0.50 GHz
24 (100%)
AMD Phenom II X4 805 AMD Phenom II X4 805
@ 0.00 GHz
0 (0%)

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.
Qualcomm Snapdragon 427 Qualcomm Snapdragon 427
4C 4T @ 1.40 GHz
0 (0%)
AMD Phenom II X4 805 AMD Phenom II X4 805
4C 4T @ 2.50 GHz
66 (100%)

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.
Qualcomm Snapdragon 427 Qualcomm Snapdragon 427
4C 4T @ 1.40 GHz
0 (0%)
AMD Phenom II X4 805 AMD Phenom II X4 805
4C 4T @ 2.50 GHz
253 (100%)

Devices using this processor

Qualcomm Snapdragon 427 AMD Phenom II X4 805
Unknown Unknown

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