Qualcomm Snapdragon 8cx vs. AMD Ryzen 9 4900U

CPU comparison with benchmarks


Qualcomm Snapdragon 8cx CPU1 vs CPU2 AMD Ryzen 9 4900U
Qualcomm Snapdragon 8cx AMD Ryzen 9 4900U
1.80 GHz Frequency 2.00 GHz
2.84 GHz Turbo (1 Core) 4.40 GHz
2.84 GHz Turbo (All Cores) 3.40 GHz
8 Cores 8
No Hyperthreading Yes
No Overclocking ? No
hybrid (big.LITTLE) Core architecture normal
Qualcomm Adreno 680 GPU AMD Radeon 8 Graphics (Renoir)
0.25 GHz GPU frequency 1.75 GHz
0.59 GHz GPU (Turbo)
5 GPU Generation 9
7 nm Technology 7 nm
12.0 DirectX Version 12
2 Max. displays 3
8 Execution units 8
768 Shader 512
4 GB Max. GPU Memory 2 GB
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
Decode Codec VP9 Decode / Encode
No Codec AV1 No
Decode Codec VC-1 Decode
Decode Codec AVC Decode / Encode
Decode / Encode Codec JPEG Decode / Encode
Kryo 495 Architecture Renoir (Zen 2)
LPDDR4X-2133 Memory DDR4-3200, LPDDR4-4266
8 Memory channels 2
16 GB Max. Memory 32 GB
No ECC Yes
L2 Cache
2.00 MB L3 Cache 8.00 MB
PCIe version 3.0
PCIe lanes 12
7 nm Technology 7 nm
ARMv8-A64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
N/A Socket FP6
7W TDP (PL1) 15W
Yes AES-NI Yes
None Virtualization AMD-V, SEV
Q4/2018 Release date Q1/2020
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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.

Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8x 1.80 GHz (2.84 GHz)
0 (0%)
Amazon
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8x 2.00 GHz (4.40 GHz) HT
1279 (100%)
Amazon



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.

Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8x 1.80 GHz (2.84 GHz)
0 (0%)
Amazon
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8x 2.00 GHz (4.40 GHz) HT
501 (100%)
Amazon



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.

Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8x 1.80 GHz (2.84 GHz)
0 (0%)
Amazon
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8x 2.00 GHz (4.40 GHz) HT
3292 (100%)
Amazon



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 8cx Qualcomm Snapdragon 8cx
8x 1.80 GHz (2.84 GHz)
0 (0%)
Amazon
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8x 2.00 GHz (4.40 GHz) HT
204 (100%)
Amazon



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 8cx Qualcomm Snapdragon 8cx
8x 1.80 GHz (2.84 GHz)
0 (0%)
Amazon
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8x 2.00 GHz (4.40 GHz) HT
1384 (100%)
Amazon



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 8cx Qualcomm Snapdragon 8cx
8x 1.80 GHz (2.84 GHz)
724 (59%)
Amazon
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8x 2.00 GHz (4.40 GHz) HT
1225 (100%)
Amazon



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 8cx Qualcomm Snapdragon 8cx
8x 1.80 GHz (2.84 GHz)
2808 (100%)
Amazon
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8x 2.00 GHz (4.40 GHz) HT
0 (0%)
Amazon



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 8cx Qualcomm Snapdragon 8cx
Qualcomm Adreno 680 @ 0.59 GHz
1843 (100%)
Amazon
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
AMD Radeon 8 Graphics (Renoir) @ 1.75 GHz
1792 (97%)
Amazon



Devices using this processorDevices using this processor

Qualcomm Snapdragon 8cx AMD Ryzen 9 4900U
Lenovo Flex 5G
Lenovo Yoga C 5G
Samsung Galaxy Book S
Unknown

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