Intel Atom Z3735E vs Intel Core 2 Quad Q8400s
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CPU comparison with benchmarks
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| Intel Atom Z3735E | Intel Core 2 Quad Q8400s | |
CPU comparisonIntel Atom Z3735E or Intel Core 2 Quad Q8400s - 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 Z3735E has 4 cores with 4 threads and clocks with a maximum frequency of 1.83 GHz. Up to 1 GB of memory is supported in 1 memory channels. The Intel Atom Z3735E was released in Q1/2014. The Intel Core 2 Quad Q8400s has 4 cores with 4 threads and clocks with a maximum frequency of 2.66 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core 2 Quad Q8400s was released in Q2/2009. |
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| Intel Atom (108) | Family | Intel Core2 Quad (19) |
| Intel Atom Z3700 (16) | CPU group | Intel Core 2 Quad Q8000/Q9000 (16) |
| 4 | Generation | 2 |
| Bay Trail | Architecture | Yorkfield (Penryn) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom Z3735E has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Atom Z3735E is 1.33 GHz (1.83 GHz) while the Intel Core 2 Quad Q8400s has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core 2 Quad Q8400s is at 2.66 GHz. |
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| Intel Atom Z3735E | Characteristic | Intel Core 2 Quad Q8400s |
| 4 | Cores | 4 |
| 4 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 1.33 GHz | Frequency | 2.66 GHz |
| 1.83 GHz | Turbo Frequency (1 Core) | -- |
| 1.83 GHz | Turbo Frequency (All Cores) | -- |
Internal GraphicsThe Intel Atom Z3735E or Intel Core 2 Quad Q8400s 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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| Intel HD Graphics (Bay Trail GT1) | GPU | no iGPU |
| 0.31 GHz | GPU frequency | -- |
| 0.65 GHz | GPU (Turbo) | -- |
| 7 | GPU Generation | -- |
| 22 nm | Technology | |
| 2 | Max. displays | |
| 4 | Compute units | -- |
| 32 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| 11.2 | 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 (Bay Trail GT1) | GPU | no iGPU |
| 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 & PCIeThe Intel Atom Z3735E can use up to 1 GB of memory in 1 memory channels. The maximum memory bandwidth is 10.6 GB/s. The Intel Core 2 Quad Q8400s supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s. |
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| Intel Atom Z3735E | Characteristic | Intel Core 2 Quad Q8400s |
| DDR3L-1333 | Memory | DDR3-1066, DDR2-800 |
| 1 GB | Max. Memory | 16 GB |
| 1 (Single Channel) | Memory channels | 2 (Dual Channel) |
| 10.6 GB/s | Max. Bandwidth | 17.1 GB/s |
| No | ECC | No |
| -- | L2 Cache | 4.00 MB |
| 2.00 MB | L3 Cache | -- |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Atom Z3735E is 4 W, while the Intel Core 2 Quad Q8400s has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Atom Z3735E | Characteristic | Intel Core 2 Quad Q8400s |
| 4 W | TDP (PL1 / PBP) | 65 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Intel Atom Z3735E is manufactured in 22 nm and has 2.00 MB cache. The Intel Core 2 Quad Q8400s is manufactured in 45 nm and has a 4.00 MB cache. |
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| Intel Atom Z3735E | Characteristic | Intel Core 2 Quad Q8400s |
| 22 nm | Technology | 45 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2 | ISA extensions | MMX, SSE2, SSE3, SSE4.1 |
| BGA 138 | Socket | LGA 775 |
| VT-x, VT-x EPT | Virtualization | VT-x, VT-d |
| Yes | AES-NI | No |
| Operating systems | Windows 10, Linux | |
| Q1/2014 | Release date | Q2/2009 |
| -- | 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 Atom Z3735E
4C 4T @ 1.83 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 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 Z3735E
4C 4T @ 1.83 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 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 Z3735E
Intel HD Graphics (Bay Trail GT1) @ 0.65 GHz |
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Intel Core 2 Quad Q8400s
@ 0.00 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 Z3735E
4C 4T @ 1.83 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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Devices using this processor |
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| Intel Atom Z3735E | Intel Core 2 Quad Q8400s |
| Unknown | Unknown |
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