Intel Core i7-3940XM | Intel Atom N475 | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i7-3940XM and the Intel Atom N475 and use benchmarks to check which processor is faster.
We compare the Intel Core i7-3940XM 4 core processor released in Q3/2012 with the Intel Atom N475 which has 1 CPU cores and was introduced in Q1/2010. |
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Intel Core i7 Extreme Edition (24) | Family | Intel Atom (108) |
Intel Core i 3000M (29) | CPU group | Intel Atom N400/N500 (3) |
3 | Generation | 2 |
Ivy Bridge H | Architecture | Pineview |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-3940XM is a 4 core processor with a clock frequency of 3.00 GHz (3.90 GHz). The processor can compute 8 threads at the same time. The Intel Atom N475 clocks with 1.83 GHz, has 1 CPU cores and can calculate 2 threads in parallel. |
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Intel Core i7-3940XM | Characteristic | Intel Atom N475 |
4 | Cores | 1 |
8 | Threads | 2 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.00 GHz | Frequency | 1.83 GHz |
3.90 GHz | Turbo Frequency (1 Core) | -- |
-- | Turbo Frequency (All Cores) | -- |
Internal GraphicsGraphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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Intel HD Graphics 4000 | GPU | Intel GMA 3150 |
0.65 GHz | GPU frequency | 0.20 GHz |
1.35 GHz | GPU (Turbo) | -- |
7 | GPU Generation | -- |
22 nm | Technology | 45 |
3 | Max. displays | 0 |
16 | Compute units | 2 |
128 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | 1 GB |
11.0 | 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 HD Graphics 4000 | GPU | Intel GMA 3150 |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | No |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode | Codec JPEG | No |
Memory & PCIeUp to 32 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i7-3940XM, while the Intel Atom N475 supports a maximum of 2 GB of memory with a maximum memory bandwidth of 6.4 GB/s enabled. |
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Intel Core i7-3940XM | Characteristic | Intel Atom N475 |
DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600 | Memory | DDR3-800, DDR2-800 |
32 GB | Max. Memory | 2 GB |
2 (Dual Channel) | Memory channels | 1 (Single Channel) |
25.6 GB/s | Max. Bandwidth | 6.4 GB/s |
No | ECC | No |
-- | L2 Cache | 0.50 MB |
8.00 MB | L3 Cache | -- |
3.0 | PCIe version | -- |
16 | PCIe lanes | -- |
15.8 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe Intel Core i7-3940XM has a TDP of 55 W. The TDP of the Intel Atom N475 is 6.5 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core i7-3940XM | Characteristic | Intel Atom N475 |
55 W | TDP (PL1 / PBP) | 6.5 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
105 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i7-3940XM has 8.00 MB cache and is manufactured in 22 nm. The cache of Intel Atom N475 is at 0.50 MB. The processor is manufactured in 45 nm. |
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Intel Core i7-3940XM | Characteristic | Intel Atom N475 |
22 nm | Technology | 45 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX | ISA extensions | MMX, SSE3, SSSE3 |
PGA 988 | Socket | BGA 559 |
VT-x, VT-x EPT | Virtualization | None |
Yes | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q3/2012 | Release date | Q1/2010 |
-- | Release price | -- |
show more data | show more data | |
Intel Core i7-3940XM
4C 8T @ 3.00 GHz |
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Intel Atom N475
1C 2T @ 1.83 GHz |
Intel Core i7-3940XM
4C 8T @ 3.90 GHz |
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Intel Atom N475
1C 2T @ 1.83 GHz |
Intel Core i7-3940XM
4C 8T @ 3.00 GHz |
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Intel Atom N475
1C 2T @ 1.83 GHz |
Intel Core i7-3940XM
4C 8T @ 3.90 GHz |
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Intel Atom N475
1C 2T @ 1.83 GHz |
Intel Core i7-3940XM
4C 8T @ 3.00 GHz |
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Intel Atom N475
1C 2T @ 1.83 GHz |
Intel Core i7-3940XM
Intel HD Graphics 4000 @ 1.35 GHz |
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Intel Atom N475
Intel GMA 3150 @ 0.20 GHz |
Intel Core i7-3940XM
4C 8T @ 3.00 GHz |
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Intel Atom N475
1C 2T @ 1.83 GHz |
Devices using this processor |
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Intel Core i7-3940XM | Intel Atom N475 |
Unknown | Unknown |