Intel Core2 Duo E4300 vs Intel Atom Z2420
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CPU comparison with benchmarks
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| Intel Core2 Duo E4300 | Intel Atom Z2420 | |
CPU comparisonIn this CPU comparison, we compare the Intel Core2 Duo E4300 and the Intel Atom Z2420 and use benchmarks to check which processor is faster.
We compare the Intel Core2 Duo E4300 2 core processor released in Q3/2007 with the Intel Atom Z2420 which has 1 CPU cores and was introduced in Q1/2013. |
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| Intel Core2 Duo (29) | Family | Intel Atom (108) |
| Intel Core 2 Duo E4000/E6000 (15) | CPU group | Intel Atom Z2400/Z2600 (2) |
| 1 | Generation | 3 |
| Conroe (Core) | Architecture | Penwell |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core2 Duo E4300 is a 2 core processor with a clock frequency of 1.80 GHz. The processor can compute 2 threads at the same time. The Intel Atom Z2420 clocks with 1.20 GHz, has 1 CPU cores and can calculate 2 threads in parallel. |
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| Intel Core2 Duo E4300 | Characteristic | Intel Atom Z2420 |
| 2 | Cores | 1 |
| 2 | Threads | 2 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| Yes | Overclocking ? | No |
| 1.80 GHz | Frequency | 1.20 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
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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| no iGPU | GPU | PowerVR SGX540 |
| GPU frequency | 0.40 GHz | |
| -- | GPU (Turbo) | -- |
| -- | GPU Generation | -- |
| Technology | 45nm | |
| Max. displays | 1 | |
| -- | Compute units | 1 |
| -- | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | -- |
| -- | DirectX Version | 10.1 |
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 | PowerVR SGX540 |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| No | Codec h264 | No |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | No |
| No | Codec VC-1 | No |
| No | Codec JPEG | No |
Memory & PCIeUp to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core2 Duo E4300, while the Intel Atom Z2420 supports a maximum of 1 GB of memory with a maximum memory bandwidth of 6.4 GB/s enabled. |
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| Intel Core2 Duo E4300 | Characteristic | Intel Atom Z2420 |
| DDR3-1333, DDR2-1066 | Memory | LPDDR2-800 |
| 16 GB | Max. Memory | 1 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 6.4 GB/s |
| No | ECC | No |
| 2.00 MB | L2 Cache | 0.50 MB |
| -- | L3 Cache | -- |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe Intel Core2 Duo E4300 has a TDP of 65 W. The TDP of the Intel Atom Z2420 is 3 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Core2 Duo E4300 | Characteristic | Intel Atom Z2420 |
| 65 W | TDP (PL1 / PBP) | 3 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | 90 °C |
Technical detailsThe Intel Core2 Duo E4300 has 2.00 MB cache and is manufactured in 65 nm. The cache of Intel Atom Z2420 is at 0.50 MB. The processor is manufactured in 32 nm. |
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| Intel Core2 Duo E4300 | Characteristic | Intel Atom Z2420 |
| 65 nm | Technology | 32 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, SSE, SSE2, SSE3 | ISA extensions | MMX, SSE3, SSSE3 |
| LGA 775 | Socket | BGA 617 |
| VT-x | Virtualization | None |
| No | AES-NI | No |
| Windows 10, Linux | Operating systems | |
| Q3/2007 | Release date | Q1/2013 |
| -- | Release price | -- |
| show more data | show more data | |
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Rate these processors
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 Core2 Duo E4300
2C 2T @ 1.80 GHz |
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Intel Atom Z2420
1C 2T @ 1.20 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 Core2 Duo E4300
2C 2T @ 1.80 GHz |
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Intel Atom Z2420
1C 2T @ 1.20 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 Core2 Duo E4300
@ 0.00 GHz |
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Intel Atom Z2420
PowerVR SGX540 @ 0.40 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 Core2 Duo E4300
2C 2T @ 1.80 GHz |
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Intel Atom Z2420
1C 2T @ 1.20 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 Core2 Duo E4300
2C 2T @ 1.80 GHz |
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Intel Atom Z2420
1C 2T @ 1.20 GHz |
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Devices using this processor |
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| Intel Core2 Duo E4300 | Intel Atom Z2420 |
| Unknown | Unknown |
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