Intel Atom Z2420 vs Intel Pentium Gold 5405U
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CPU comparison with benchmarks
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| Intel Atom Z2420 | Intel Pentium Gold 5405U | |
CPU comparisonIntel Atom Z2420 or Intel Pentium Gold 5405U - 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 Z2420 has 1 cores with 2 threads and clocks with a maximum frequency of 1.20 GHz. Up to 1 GB of memory is supported in 2 memory channels. The Intel Atom Z2420 was released in Q1/2013. The Intel Pentium Gold 5405U has 2 cores with 4 threads and clocks with a maximum frequency of 2.30 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Pentium Gold 5405U was released in Q1/2019. |
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| Intel Atom (101) | Family | Intel Pentium (150) |
| Intel Atom Z2400/Z2600 (2) | CPU group | Intel Pentium 5000 (1) |
| 3 | Generation | 8 |
| Penwell | Architecture | Whiskey Lake U |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom Z2420 has 1 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Atom Z2420 is 1.20 GHz while the Intel Pentium Gold 5405U has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Pentium Gold 5405U is at 2.30 GHz. |
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| Intel Atom Z2420 | Characteristic | Intel Pentium Gold 5405U |
| 1 | Cores | 2 |
| 2 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.20 GHz | Frequency | 2.30 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
Internal GraphicsThe Intel Atom Z2420 or Intel Pentium Gold 5405U 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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| PowerVR SGX540 | GPU | Intel UHD Graphics 610 |
| 0.40 GHz | GPU frequency | 0.30 GHz |
| -- | GPU (Turbo) | 0.95 GHz |
| -- | GPU Generation | 9.5 |
| 45nm | Technology | 14 nm |
| 1 | Max. displays | 3 |
| 1 | Compute units | 12 |
| -- | Shader | 96 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 32 GB |
| 10.1 | 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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| PowerVR SGX540 | GPU | Intel UHD Graphics 610 |
| 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 | No |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Atom Z2420 can use up to 1 GB of memory in 2 memory channels. The maximum memory bandwidth is 6.4 GB/s. The Intel Pentium Gold 5405U supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 34.1 GB/s. |
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| Intel Atom Z2420 | Characteristic | Intel Pentium Gold 5405U |
| LPDDR2-800 | Memory | LPDDR3-1866, DDR4-2133 |
| 1 GB | Max. Memory | 64 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 6.4 GB/s | Max. Bandwidth | 34.1 GB/s |
| No | ECC | No |
| 0.50 MB | L2 Cache | -- |
| -- | L3 Cache | 2.00 MB |
| -- | PCIe version | 2.0 |
| -- | PCIe lanes | 12 |
| -- | PCIe Bandwidth | 6.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Atom Z2420 is 3 W, while the Intel Pentium Gold 5405U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Atom Z2420 | Characteristic | Intel Pentium Gold 5405U |
| 3 W | TDP (PL1 / PBP) | 15 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | 12.5 W |
| 90 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Atom Z2420 is manufactured in 32 nm and has 0.50 MB cache. The Intel Pentium Gold 5405U is manufactured in 14 nm and has a 2.00 MB cache. |
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| Intel Atom Z2420 | Characteristic | Intel Pentium Gold 5405U |
| 32 nm | Technology | 14 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, SSE3, SSSE3 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
| BGA 617 | Socket | BGA 1528 |
| None | Virtualization | VT-x, VT-x EPT, VT-d |
| No | AES-NI | Yes |
| Operating systems | Windows 10, Windows 11, Linux | |
| Q1/2013 | Release date | Q1/2019 |
| -- | Release price | 161 $ |
| show more data | show more data | |
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Rate these processors
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 Z2420
PowerVR SGX540 @ 0.40 GHz |
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Intel Pentium Gold 5405U
Intel UHD Graphics 610 @ 0.95 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 Z2420
1C 2T @ 1.20 GHz |
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Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz |
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Cinebench R23 (Multi-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 multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Atom Z2420
1C 2T @ 1.20 GHz |
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Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz |
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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 Z2420
1C 2T @ 1.20 GHz |
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Intel Pentium Gold 5405U
2C 4T @ 2.30 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 Z2420
1C 2T @ 1.20 GHz |
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Intel Pentium Gold 5405U
2C 4T @ 2.30 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 Z2420
1C 2T @ 1.20 GHz |
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Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz |
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CPU-Z Benchmark 17 (Multi-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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Intel Atom Z2420
1C 2T @ 1.20 GHz |
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Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz |
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Devices using this processor |
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| Intel Atom Z2420 | Intel Pentium Gold 5405U |
| Unknown | Lenovo V340 Lenovo IdeaPad C340 Lenovo IdeaPad L340 DELL Inspiron 15 3583 |
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