Intel Atom x6425E | Intel Core i9-7940X | |
CPU comparisonIntel Atom x6425E or Intel Core i9-7940X - 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 x6425E has 4 cores with 4 threads and clocks with a maximum frequency of 3.00 GHz. Up to 32 GB of memory is supported in 4 memory channels. The Intel Atom x6425E was released in Q1/2021. The Intel Core i9-7940X has 14 cores with 28 threads and clocks with a maximum frequency of 4.30 GHz. The CPU supports up to 128 GB of memory in 4 memory channels. The Intel Core i9-7940X was released in Q4/2017. |
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Intel Atom (108) | Family | Intel Core i9 (78) |
Intel Atom x6000 (10) | CPU group | Intel Core i 7000X (9) |
6 | Generation | 7 |
Elkhart Lake | Architecture | Skylake X |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
Intel Atom x7425E | Successor | Intel Core i9-9940X |
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CPU Cores and Base FrequencyThe Intel Atom x6425E is a 4 core processor with a clock frequency of 2.00 GHz (3.00 GHz). The Intel Core i9-7940X has 14 CPU cores with a clock frequency of 3.10 GHz (4.30 GHz). |
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Intel Atom x6425E | Characteristic | Intel Core i9-7940X |
4 | Cores | 14 |
4 | Threads | 28 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | Yes |
2.00 GHz | Frequency | 3.10 GHz |
3.00 GHz | Turbo Frequency (1 Core) | 4.30 GHz |
2.70 GHz | Turbo Frequency (All Cores) | 3.70 GHz |
Integrated graphics (iGPU)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. |
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Intel UHD Graphics 10th Gen (32 EU) | GPU | no iGPU |
0.50 GHz | GPU frequency | -- |
0.75 GHz | GPU (Turbo) | -- |
11 | GPU Generation | -- |
14 nm | Technology | |
3 | Max. displays | |
32 | Compute units | -- |
256 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
64 GB | Max. GPU Memory | -- |
12 | 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. |
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Intel UHD Graphics 10th Gen (32 EU) | GPU | no iGPU |
Decode / Encode | Codec h265 / HEVC (8 bit) | No |
Decode / Encode | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | No |
Decode / Encode | Codec VP9 | No |
Decode / Encode | Codec VP8 | No |
Decode | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Intel Atom x6425E supports a maximum of 32 GB of memory in 4 memory channels. The Intel Core i9-7940X can connect up to 128 GB of memory in 4 memory channels. |
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Intel Atom x6425E | Characteristic | Intel Core i9-7940X |
LPDDR4X-3733, DDR4-3200 | Memory | DDR4-2666 |
32 GB | Max. Memory | 128 GB |
4 (Quad Channel) | Memory channels | 4 (Quad Channel) |
119.2 GB/s | Max. Bandwidth | 85.4 GB/s |
Yes | ECC | No |
1.50 MB | L2 Cache | -- |
-- | L3 Cache | 19.00 MB |
3.0 | PCIe version | 3.0 |
8 | PCIe lanes | 44 |
7.9 GB/s | PCIe Bandwidth | 43.3 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom x6425E has a TDP of 12 W, that of the Intel Core i9-7940X is 165 W. |
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Intel Atom x6425E | Characteristic | Intel Core i9-7940X |
12 W | TDP (PL1 / PBP) | 165 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
105 °C | Tjunction max. | -- |
Technical detailsThe Intel Atom x6425E has a 1.50 MB cache, while the Intel Core i9-7940X cache has a total of 19.00 MB. |
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Intel Atom x6425E | Characteristic | Intel Core i9-7940X |
10 nm | Technology | 14 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, AVX-512 |
BGA 1493 | Socket | LGA 2066 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Operating systems | Windows 10, Linux | |
Q1/2021 | Release date | Q4/2017 |
56 $ | Release price | 1399 $ |
show more data | show more data | |
Intel Atom x6425E
4C 4T @ 3.00 GHz |
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Intel Core i9-7940X
14C 28T @ 4.30 GHz |
Intel Atom x6425E
4C 4T @ 2.70 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
Intel Atom x6425E
4C 4T @ 3.00 GHz |
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Intel Core i9-7940X
14C 28T @ 4.30 GHz |
Intel Atom x6425E
4C 4T @ 2.70 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
Intel Atom x6425E
4C 4T @ 2.70 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
Intel Atom x6425E
4C 4T @ 3.00 GHz |
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Intel Core i9-7940X
14C 28T @ 4.30 GHz |
Intel Atom x6425E
4C 4T @ 2.70 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
Intel Atom x6425E
Intel UHD Graphics 10th Gen (32 EU) @ 0.75 GHz |
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Intel Core i9-7940X
@ 0.00 GHz |
Intel Atom x6425E
4C 4T @ 2.70 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
Devices using this processor |
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Intel Atom x6425E | Intel Core i9-7940X |
Unknown | Unknown |