Intel Atom x6427FE vs Intel Core i9-11900T
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CPU comparison with benchmarks
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| Intel Atom x6427FE | Intel Core i9-11900T | |
CPU comparisonIn this CPU comparison, we compare the Intel Atom x6427FE and the Intel Core i9-11900T and use benchmarks to check which processor is faster.
We compare the Intel Atom x6427FE 4 core processor released in Q1/2021 with the Intel Core i9-11900T which has 8 CPU cores and was introduced in Q1/2021. |
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| Intel Atom (108) | Family | Intel Core i9 (78) |
| Intel Atom x6000 (10) | CPU group | Intel Core i 11000 (22) |
| 6 | Generation | 11 |
| Elkhart Lake | Architecture | Rocket Lake S |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | Intel Core i9-10900T |
| -- | Successor | Intel Core i9-12900T |
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CPU Cores and Base FrequencyThe Intel Atom x6427FE is a 4 core processor with a clock frequency of 1.90 GHz. The processor can compute 4 threads at the same time. The Intel Core i9-11900T clocks with 1.50 GHz (4.90 GHz), has 8 CPU cores and can calculate 16 threads in parallel. |
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| Intel Atom x6427FE | Characteristic | Intel Core i9-11900T |
| 4 | Cores | 8 |
| 4 | Threads | 16 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.90 GHz | Frequency | 1.50 GHz |
| -- | Turbo Frequency (1 Core) | 4.90 GHz |
| -- | Turbo Frequency (All Cores) | 3.60 GHz |
Integrated graphics (iGPU)Graphics (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 UHD Graphics 10th Gen (32 EU) | GPU | Intel UHD Graphics 750 |
| 0.40 GHz | GPU frequency | 0.35 GHz |
| -- | GPU (Turbo) | 1.30 GHz |
| 11 | GPU Generation | 12 |
| 14 nm | Technology | 14 nm |
| 3 | Max. displays | 3 |
| 32 | Compute units | 32 |
| 256 | Shader | 256 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 64 GB | Max. GPU Memory | 64 GB |
| 12 | 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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| Intel UHD Graphics 10th Gen (32 EU) | GPU | Intel UHD Graphics 750 |
| Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
| Decode / Encode | Codec h265 / HEVC (10 bit) | Decode / Encode |
| Decode / Encode | Codec h264 | Decode / Encode |
| Decode / Encode | Codec VP9 | Decode / Encode |
| Decode / Encode | Codec VP8 | Decode |
| Decode | Codec AV1 | Decode |
| Decode / Encode | Codec AVC | Decode / Encode |
| Decode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 32 GB of memory in a maximum of 4 memory channels is supported by the Intel Atom x6427FE, while the Intel Core i9-11900T supports a maximum of 128 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled. |
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| Intel Atom x6427FE | Characteristic | Intel Core i9-11900T |
| LPDDR4X-4266, DDR4-3200 | Memory | DDR4-3200 |
| 32 GB | Max. Memory | 128 GB |
| 4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
| 136.4 GB/s | Max. Bandwidth | 51.2 GB/s |
| Yes | ECC | No |
| 1.50 MB | L2 Cache | 4.00 MB |
| -- | L3 Cache | 16.00 MB |
| 3.0 | PCIe version | 4.0 |
| 8 | PCIe lanes | 20 |
| 7.9 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe Intel Atom x6427FE has a TDP of 12 W. The TDP of the Intel Core i9-11900T is 35 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Atom x6427FE | Characteristic | Intel Core i9-11900T |
| 12 W | TDP (PL1 / PBP) | 35 W |
| -- | TDP (PL2) | 115 W @ 28 s |
| -- | TDP up | -- |
| -- | TDP down | 25 W |
| 110 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Atom x6427FE has 1.50 MB cache and is manufactured in 10 nm. The cache of Intel Core i9-11900T is at 20.00 MB. The processor is manufactured in 14 nm. |
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| Intel Atom x6427FE | Characteristic | Intel Core i9-11900T |
| 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 1200 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Operating systems | Windows 10, Windows 11, Linux | |
| Q1/2021 | Release date | Q1/2021 |
| -- | Release price | 439 $ |
| show more data | show more data | |
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8C 16T @ 1.50 GHz (4.90 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks
Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Atom x6427FE
4C 4T @ 1.90 GHz |
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Intel Core i9-11900T
8C 16T @ 4.90 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Atom x6427FE
4C 4T @ 1.90 GHz |
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Intel Core i9-11900T
8C 16T @ 3.60 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Intel Atom x6427FE
4C 4T @ 1.90 GHz |
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Intel Core i9-11900T
8C 16T @ 4.90 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Intel Atom x6427FE
4C 4T @ 1.90 GHz |
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Intel Core i9-11900T
8C 16T @ 3.60 GHz |
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iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
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Intel Atom x6427FE
Intel UHD Graphics 10th Gen (32 EU) @ 0.40 GHz |
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Intel Core i9-11900T
Intel UHD Graphics 750 @ 1.30 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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Intel Atom x6427FE
4C 4T @ 1.90 GHz |
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Intel Core i9-11900T
8C 16T @ 3.60 GHz |
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Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Atom x6427FE
4C 4T @ 1.90 GHz |
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Intel Core i9-11900T
8C 16T @ 4.90 GHz |
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Devices using this processor |
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| Intel Atom x6427FE | Intel Core i9-11900T |
| Unknown | Unknown |
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