Intel Pentium 987 vs Intel Atom Z3745
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CPU comparison with benchmarks
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| Intel Pentium 987 | Intel Atom Z3745 | |
CPU comparisonIntel Pentium 987 or Intel Atom Z3745 - 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 Pentium 987 has 2 cores with 2 threads and clocks with a maximum frequency of 1.50 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Pentium 987 was released in Q3/2012. The Intel Atom Z3745 has 4 cores with 4 threads and clocks with a maximum frequency of 1.86 GHz. The CPU supports up to 4 GB of memory in 2 memory channels. The Intel Atom Z3745 was released in Q1/2014. |
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| Intel Pentium (150) | Family | Intel Atom (108) |
| Intel Pentium 900 (10) | CPU group | Intel Atom Z3700 (16) |
| 3 | Generation | 4 |
| Sandy Bridge U | Architecture | Bay Trail |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Pentium 987 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Pentium 987 is 1.50 GHz while the Intel Atom Z3745 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom Z3745 is at 1.33 GHz (1.86 GHz). |
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| Intel Pentium 987 | Characteristic | Intel Atom Z3745 |
| 2 | Cores | 4 |
| 2 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 1.50 GHz | Frequency | 1.33 GHz |
| -- | Turbo Frequency (1 Core) | 1.86 GHz |
| -- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The Intel Pentium 987 or Intel Atom Z3745 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 (Sandy Bridge GT1) | GPU | Intel HD Graphics (Bay Trail GT1) |
| 0.35 GHz | GPU frequency | 0.31 GHz |
| 1.00 GHz | GPU (Turbo) | 0.78 GHz |
| 6 | GPU Generation | 7 |
| 32 nm | Technology | 22 nm |
| 2 | Max. displays | 2 |
| 6 | Compute units | 4 |
| 48 | Shader | 32 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | 2 GB |
| 10.1 | DirectX Version | 11.2 |
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 (Sandy Bridge GT1) | GPU | Intel HD Graphics (Bay Trail GT1) |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | Decode / Encode |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | Decode / Encode |
| Decode | Codec VC-1 | Decode |
| No | Codec JPEG | Decode |
Memory & PCIeThe Intel Pentium 987 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Atom Z3745 supports up to 4 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s. |
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| Intel Pentium 987 | Characteristic | Intel Atom Z3745 |
| DDR3-1066, DDR3-1333 | Memory | LPDDR3-1066 |
| 16 GB | Max. Memory | 4 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 17.1 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| 2.00 MB | L3 Cache | 2.00 MB |
| 2.0 | PCIe version | -- |
| 16 | PCIe lanes | -- |
| 8.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Pentium 987 is 17 W, while the Intel Atom Z3745 has a TDP of 4 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Pentium 987 | Characteristic | Intel Atom Z3745 |
| 17 W | TDP (PL1 / PBP) | 4 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 100 °C | Tjunction max. | 90 °C |
Technical detailsThe Intel Pentium 987 is manufactured in 32 nm and has 2.00 MB cache. The Intel Atom Z3745 is manufactured in 22 nm and has a 2.00 MB cache. |
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| Intel Pentium 987 | Characteristic | Intel Atom Z3745 |
| 32 nm | Technology | 22 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 |
| BGA 1023 | Socket | BGA 1380 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | |
| Q3/2012 | Release date | Q1/2014 |
| -- | Release price | -- |
| show more data | show more data | |
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2C 2T @ 1.50 GHz buy now on Amazon and save!
4C 4T @ 1.33 GHz (1.86 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 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 Pentium 987
2C 2T @ 1.50 GHz |
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Intel Atom Z3745
4C 4T @ 1.86 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 Pentium 987
2C 2T @ 1.50 GHz |
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Intel Atom Z3745
4C 4T @ 1.33 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 Pentium 987
Intel HD Graphics (Sandy Bridge GT1) @ 1.00 GHz |
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Intel Atom Z3745
Intel HD Graphics (Bay Trail GT1) @ 0.78 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 Pentium 987
2C 2T @ 1.50 GHz |
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Intel Atom Z3745
4C 4T @ 1.33 GHz |
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Devices using this processor |
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| Intel Pentium 987 | Intel Atom Z3745 |
| Unknown | Unknown |
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