Qualcomm Snapdragon 660 | AMD EPYC 7643 | |
CPU comparisonQualcomm Snapdragon 660 or AMD EPYC 7643 - 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 660 has 8 cores with 8 threads and clocks with a maximum frequency of 2.20 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Qualcomm Snapdragon 660 was released in Q2/2017. The AMD EPYC 7643 has 48 cores with 96 threads and clocks with a maximum frequency of 3.60 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The AMD EPYC 7643 was released in Q1/2021. |
||
Qualcomm Snapdragon (103) | Family | AMD EPYC (129) |
Qualcomm Snapdragon 660 (2) | CPU group | AMD EPYC 7003 (29) |
5 | Generation | 3 |
Kryo 260 | Architecture | Milan (Zen 3) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | AMD EPYC 7642 |
-- | Successor | -- |
|
||
CPU Cores and Base FrequencyThe Qualcomm Snapdragon 660 has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Qualcomm Snapdragon 660 is 2.20 GHz while the AMD EPYC 7643 has 48 CPU cores and 96 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7643 is at 2.30 GHz (3.60 GHz). |
||
Qualcomm Snapdragon 660 | Characteristic | AMD EPYC 7643 |
8 | Cores | 48 |
8 | Threads | 96 |
hybrid (big.LITTLE) | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
2.20 GHz 4x Kryo 260 Gold |
A-Core | 2.30 GHz (3.60 GHz) 48x Zen 3 |
1.84 GHz 4x Kryo 260 Silver |
B-Core | -- |
NPU AI performanceThe performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. |
||
Qualcomm Snapdragon 660 | Characteristic | AMD EPYC 7643 |
Qualcomm AI engine | AI hardware | -- |
Hexagon 680 | AI specifications | -- |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The Qualcomm Snapdragon 660 or AMD EPYC 7643 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
||
Qualcomm Adreno 512 | GPU | no iGPU |
0.60 GHz | GPU frequency | -- |
0.60 GHz | GPU (Turbo) | -- |
5 | GPU Generation | -- |
14 nm | Technology | |
0 | Max. displays | |
-- | Compute units | -- |
128 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | -- |
11 | DirectX Version | -- |
Hardware codec supportA 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 512 | GPU | no iGPU |
Decode | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
Decode | Codec h264 | No |
Decode | Codec VP9 | No |
Decode | Codec VP8 | No |
No | Codec AV1 | No |
No | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode | Codec JPEG | No |
Memory & PCIeThe Qualcomm Snapdragon 660 can use up to 8 GB of memory in 2 memory channels. The maximum memory bandwidth is 14.9 GB/s. The AMD EPYC 7643 supports up to 4096 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 204.8 GB/s. |
||
Qualcomm Snapdragon 660 | Characteristic | AMD EPYC 7643 |
LPDDR4-3733 | Memory | DDR4-3200 |
8 GB | Max. Memory | 4096 GB |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
14.9 GB/s | Max. Bandwidth | 204.8 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
-- | L3 Cache | 256.00 MB |
-- | PCIe version | 4.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Qualcomm Snapdragon 660 is --, while the AMD EPYC 7643 has a TDP of 240 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
||
Qualcomm Snapdragon 660 | Characteristic | AMD EPYC 7643 |
-- | TDP (PL1 / PBP) | 240 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | 225 W |
-- | Tjunction max. | -- |
Technical detailsThe Qualcomm Snapdragon 660 is manufactured in 14 nm and has 0.00 MB cache. The AMD EPYC 7643 is manufactured in 7 nm and has a 256.00 MB cache. |
||
Qualcomm Snapdragon 660 | Characteristic | AMD EPYC 7643 |
14 nm | Technology | 7 nm |
Chiplet | Chip design | Chiplet |
Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
-- | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
-- | Socket | SP3 |
None | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Android | Operating systems | Windows 10, Linux |
Q2/2017 | Release date | Q1/2021 |
-- | Release price | 4995 $ |
show more data | show more data | |
Qualcomm Snapdragon 660
8C 8T @ 2.20 GHz |
|||
AMD EPYC 7643
48C 96T @ 3.60 GHz |
Qualcomm Snapdragon 660
8C 8T @ 2.20 GHz |
|||
AMD EPYC 7643
48C 96T @ 3.40 GHz |
Qualcomm Snapdragon 660
8C 8T @ 2.20 GHz |
|||
AMD EPYC 7643
48C 96T @ 3.60 GHz |
Qualcomm Snapdragon 660
8C 8T @ 2.20 GHz |
|||
AMD EPYC 7643
48C 96T @ 3.40 GHz |
Qualcomm Snapdragon 660
8C 8T @ 2.20 GHz |
|||
AMD EPYC 7643
48C 96T @ 3.40 GHz |
Qualcomm Snapdragon 660
Qualcomm Adreno 512 @ 0.60 GHz |
|||
AMD EPYC 7643
@ 0.00 GHz |
Qualcomm Snapdragon 660
8C 8T @ 2.20 GHz |
|||
AMD EPYC 7643
48C 96T @ 2.30 GHz |
Devices using this processor |
|
Qualcomm Snapdragon 660 | AMD EPYC 7643 |
Unknown | Unknown |