Intel Atom C3958 | Intel Core i9-12900KS | |
CPU comparisonIntel Atom C3958 or Intel Core i9-12900KS - 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 Intel Atom C3958 has 16 cores with 16 threads and clocks with a maximum frequency of 2.00 GHz. Up to 256 GB of memory is supported in 2 memory channels. The Intel Atom C3958 was released in Q3/2017. The Intel Core i9-12900KS has 16 cores with 24 threads and clocks with a maximum frequency of 5.50 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i9-12900KS was released in Q2/2022. |
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Intel Atom (108) | Family | Intel Core i9 (78) |
Intel Atom C3000 (20) | CPU group | Intel Core i 12000 (34) |
5 | Generation | 12 |
Denverton | Architecture | Alder Lake S |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | Intel Core i9-13900KS |
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CPU Cores and Base FrequencyThe Intel Atom C3958 has 16 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Atom C3958 is 2.00 GHz while the Intel Core i9-12900KS has 16 CPU cores and 24 threads can calculate simultaneously. The clock frequency of the Intel Core i9-12900KS is at 3.40 GHz (5.50 GHz). |
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Intel Atom C3958 | Characteristic | Intel Core i9-12900KS |
16 | Cores | 16 |
16 | Threads | 24 |
normal | Core architecture | hybrid (big.LITTLE) |
No | Hyperthreading | Yes |
No | Overclocking ? | Yes |
2.00 GHz | A-Core | 3.40 GHz (5.50 GHz) 8x Golden Cove |
-- | B-Core | 2.50 GHz (4.00 GHz) 8x Gracemont |
Integrated graphics (iGPU)The Intel Atom C3958 or Intel Core i9-12900KS 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 | Intel UHD Graphics 770 |
GPU frequency | 0.30 GHz | |
-- | GPU (Turbo) | 1.55 GHz |
-- | GPU Generation | 11 |
Technology | 10 nm | |
Max. displays | 3 | |
-- | Compute units | 32 |
-- | Shader | 256 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 64 GB |
-- | DirectX Version | 12 |
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 | Intel UHD Graphics 770 |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | Decode |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Atom C3958 can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The Intel Core i9-12900KS supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 76.8 GB/s. |
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Intel Atom C3958 | Characteristic | Intel Core i9-12900KS |
DDR4-2400 | Memory | DDR5-4800, DDR4-3200 |
256 GB | Max. Memory | 128 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
38.4 GB/s | Max. Bandwidth | 76.8 GB/s |
Yes | ECC | Yes |
16.00 MB | L2 Cache | 14.00 MB |
-- | L3 Cache | 30.00 MB |
3.0 | PCIe version | 5.0 |
16 | PCIe lanes | 20 |
15.8 GB/s | PCIe Bandwidth | 78.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Atom C3958 is 31 W, while the Intel Core i9-12900KS has a TDP of 150 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Atom C3958 | Characteristic | Intel Core i9-12900KS |
31 W | TDP (PL1 / PBP) | 150 W |
-- | TDP (PL2) | 241 W |
-- | TDP up | -- |
-- | TDP down | -- |
100 °C | Tjunction max. | 90 °C |
Technical detailsThe Intel Atom C3958 is manufactured in 14 nm and has 16.00 MB cache. The Intel Core i9-12900KS is manufactured in 10 nm and has a 44.00 MB cache. |
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Intel Atom C3958 | Characteristic | Intel Core i9-12900KS |
14 nm | Technology | 10 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX2+ |
BGA 1310 | Socket | LGA 1700 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q3/2017 | Release date | Q2/2022 |
449 $ | Release price | 749 $ |
show more data | show more data | |
Intel Atom C3958
16C 16T @ 2.00 GHz |
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Intel Core i9-12900KS
16C 24T @ 5.50 GHz |
Intel Atom C3958
16C 16T @ 2.00 GHz |
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Intel Core i9-12900KS
16C 24T @ 5.20 GHz |
Intel Atom C3958
16C 16T @ 2.00 GHz |
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Intel Core i9-12900KS
16C 24T @ 5.20 GHz |
Intel Atom C3958
16C 16T @ 2.00 GHz |
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Intel Core i9-12900KS
16C 24T @ 5.50 GHz |
Intel Atom C3958
16C 16T @ 2.00 GHz |
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Intel Core i9-12900KS
16C 24T @ 5.20 GHz |
Intel Atom C3958
16C 16T @ 2.00 GHz |
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Intel Core i9-12900KS
16C 24T @ 5.50 GHz |
Intel Atom C3958
16C 16T @ 2.00 GHz |
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Intel Core i9-12900KS
16C 24T @ 5.20 GHz |
Intel Atom C3958
16C 16T @ 2.00 GHz |
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Intel Core i9-12900KS
16C 24T @ 5.50 GHz |
Intel Atom C3958
16C 16T @ 2.00 GHz |
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Intel Core i9-12900KS
16C 24T @ 5.20 GHz |
Intel Atom C3958
@ 0.00 GHz |
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Intel Core i9-12900KS
Intel UHD Graphics 770 @ 1.55 GHz |
Intel Atom C3958
16C 16T @ 2.00 GHz |
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Intel Core i9-12900KS
16C 24T @ 5.20 GHz |
Intel Atom C3958
16C 16T @ 2.00 GHz |
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Intel Core i9-12900KS
16C 24T @ 5.20 GHz |
Intel Atom C3958
16C 16T @ 2.00 GHz |
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Intel Core i9-12900KS
16C 24T @ 5.50 GHz |
Intel Atom C3958
16C 16T @ 2.00 GHz |
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Intel Core i9-12900KS
16C 24T @ 5.20 GHz |
Intel Atom C3958
2.00 GHz |
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Intel Core i9-12900KS
27,796 CB R23 MC @ 241 W |
Devices using this processor |
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Intel Atom C3958 | Intel Core i9-12900KS |
Unknown | Unknown |