AMD EPYC 7643 | Qualcomm Snapdragon 7c+ Gen 3 | |
CPU comparisonAMD EPYC 7643 or Qualcomm Snapdragon 7c+ Gen 3 - 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 AMD EPYC 7643 has 48 cores with 96 threads and clocks with a maximum frequency of 3.60 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The AMD EPYC 7643 was released in Q1/2021. The Qualcomm Snapdragon 7c+ Gen 3 has 8 cores with 8 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Qualcomm Snapdragon 7c+ Gen 3 was released in Q1/2022. |
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AMD EPYC (129) | Family | Qualcomm Snapdragon (104) |
AMD EPYC 7003 (29) | CPU group | Qualcomm Snapdragon 7c Plus (1) |
3 | Generation | 3 |
Milan (Zen 3) | Architecture | Cortex-A78 / Cortex-A55 |
Desktop / Server | Segment | Mobile |
AMD EPYC 7642 | Predecessor | Qualcomm Snapdragon 7c Gen 2 |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7643 has 48 CPU cores and can calculate 96 threads in parallel. The clock frequency of the AMD EPYC 7643 is 2.30 GHz (3.60 GHz) while the Qualcomm Snapdragon 7c+ Gen 3 has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Qualcomm Snapdragon 7c+ Gen 3 is at 2.40 GHz. |
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AMD EPYC 7643 | Characteristic | Qualcomm Snapdragon 7c+ Gen 3 |
48 | Cores | 8 |
96 | Threads | 8 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.30 GHz (3.60 GHz) 48x Zen 3 |
A-Core | 2.40 GHz 4x Cortex-A78 |
-- | B-Core | 1.50 GHz 4x Cortex-A55 |
Integrated graphics (iGPU)The AMD EPYC 7643 or Qualcomm Snapdragon 7c+ Gen 3 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. |
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no iGPU | GPU | Qualcomm Adreno 642L |
GPU frequency | 0.70 GHz | |
-- | GPU (Turbo) | -- |
-- | GPU Generation | 5 |
Technology | 6 nm | |
Max. displays | 1 | |
-- | Compute units | 4 |
-- | Shader | 384 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 4 GB |
-- | DirectX Version | 12.0 |
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. |
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no iGPU | GPU | Qualcomm Adreno 642L |
No | Codec h265 / HEVC (8 bit) | Decode |
No | Codec h265 / HEVC (10 bit) | Decode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode |
No | Codec VP8 | Decode |
No | Codec AV1 | No |
No | Codec AVC | Decode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD EPYC 7643 can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 204.8 GB/s. The Qualcomm Snapdragon 7c+ Gen 3 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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AMD EPYC 7643 | Characteristic | Qualcomm Snapdragon 7c+ Gen 3 |
DDR4-3200 | Memory | LPDDR5-6400, LPDDR4X-4266 |
4096 GB | Max. Memory | 16 GB |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
204.8 GB/s | Max. Bandwidth | 51.2 GB/s |
Yes | ECC | No |
-- | L2 Cache | -- |
256.00 MB | L3 Cache | -- |
4.0 | PCIe version | -- |
128 | PCIe lanes | -- |
252.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7643 is 240 W, while the Qualcomm Snapdragon 7c+ Gen 3 has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD EPYC 7643 | Characteristic | Qualcomm Snapdragon 7c+ Gen 3 |
240 W | TDP (PL1 / PBP) | -- |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
225 W | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7643 is manufactured in 7 nm and has 256.00 MB cache. The Qualcomm Snapdragon 7c+ Gen 3 is manufactured in 6 nm and has a 0.00 MB cache. |
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AMD EPYC 7643 | Characteristic | Qualcomm Snapdragon 7c+ Gen 3 |
7 nm | Technology | 6 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | -- |
SP3 | Socket | -- |
AMD-V, SVM | Virtualization | None |
Yes | AES-NI | No |
Windows 10, Linux | Operating systems | Android |
Q1/2021 | Release date | Q1/2022 |
4995 $ | Release price | -- |
show more data | show more data | |
AMD EPYC 7643
48C 96T @ 3.60 GHz |
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Qualcomm Snapdragon 7c+ Gen 3
8C 8T @ 2.40 GHz |
AMD EPYC 7643
48C 96T @ 3.40 GHz |
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Qualcomm Snapdragon 7c+ Gen 3
8C 8T @ 2.40 GHz |
AMD EPYC 7643
48C 96T @ 3.60 GHz |
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Qualcomm Snapdragon 7c+ Gen 3
8C 8T @ 2.40 GHz |
AMD EPYC 7643
48C 96T @ 3.40 GHz |
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Qualcomm Snapdragon 7c+ Gen 3
8C 8T @ 2.40 GHz |
AMD EPYC 7643
48C 96T @ 3.40 GHz |
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Qualcomm Snapdragon 7c+ Gen 3
8C 8T @ 2.40 GHz |
Devices using this processor |
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AMD EPYC 7643 | Qualcomm Snapdragon 7c+ Gen 3 |
Unknown | Unknown |