Intel Core i5-750 vs Intel Core i5-8400B
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CPU comparison with benchmarks
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| Intel Core i5-750 | Intel Core i5-8400B | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i5-750 and the Intel Core i5-8400B and use benchmarks to check which processor is faster.
We compare the Intel Core i5-750 4 core processor released in Q3/2009 with the Intel Core i5-8400B which has 6 CPU cores and was introduced in Q2/2018. |
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| Intel Core i5 (331) | Family | Intel Core i5 (331) |
| Intel Core i5 700 (3) | CPU group | Intel Core i 8000 (20) |
| 1 | Generation | 8 |
| Lynnfield | Architecture | Coffee Lake S |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i5-750 is a 4 core processor with a clock frequency of 2.66 GHz (3.20 GHz). The processor can compute 4 threads at the same time. The Intel Core i5-8400B clocks with 2.80 GHz (3.80 GHz), has 6 CPU cores and can calculate 6 threads in parallel. |
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| Intel Core i5-750 | Characteristic | Intel Core i5-8400B |
| 4 | Cores | 6 |
| 4 | Threads | 6 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.66 GHz | Frequency | 2.80 GHz |
| 3.20 GHz | Turbo Frequency (1 Core) | 3.80 GHz |
| -- | Turbo Frequency (All Cores) | 4.00 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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| no iGPU | GPU | Intel UHD Graphics 630 |
| GPU frequency | 0.35 GHz | |
| -- | GPU (Turbo) | 1.15 GHz |
| -- | GPU Generation | 9.5 |
| Technology | 14 nm | |
| Max. displays | 3 | |
| -- | Compute units | 24 |
| -- | Shader | 192 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 64 GB |
| -- | 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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| no iGPU | GPU | Intel UHD Graphics 630 |
| 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 & PCIeUp to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i5-750, while the Intel Core i5-8400B supports a maximum of 64 GB of memory with a maximum memory bandwidth of 42.7 GB/s enabled. |
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| Intel Core i5-750 | Characteristic | Intel Core i5-8400B |
| DDR3-1066, DDR3-1333 | Memory | DDR4-2666 |
| 16 GB | Max. Memory | 64 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 21.3 GB/s | Max. Bandwidth | 42.7 GB/s |
| No | ECC | No |
| 1.00 MB | L2 Cache | -- |
| 8.00 MB | L3 Cache | 9.00 MB |
| 2.0 | PCIe version | 3.0 |
| 16 | PCIe lanes | 16 |
| 8.0 GB/s | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe Intel Core i5-750 has a TDP of 95 W. The TDP of the Intel Core i5-8400B is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Core i5-750 | Characteristic | Intel Core i5-8400B |
| 95 W | TDP (PL1 / PBP) | 65 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i5-750 has 9.00 MB cache and is manufactured in 45 nm. The cache of Intel Core i5-8400B is at 9.00 MB. The processor is manufactured in 14 nm. |
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| Intel Core i5-750 | Characteristic | Intel Core i5-8400B |
| 45 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 |
| LGA 1156 | Socket | BGA 1440 |
| VT-x, VT-x EPT | Virtualization | VT-x, VT-x EPT, VT-d |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
| Q3/2009 | Release date | Q2/2018 |
| 213 $ | Release price | 260 $ |
| show more data | show more data | |
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4C 4T @ 2.66 GHz (3.20 GHz) buy now on Amazon and save!
6C 6T @ 2.80 GHz (3.80 GHz) buy now on Amazon and save!
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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 Core i5-750
4C 4T @ 3.20 GHz |
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Intel Core i5-8400B
6C 6T @ 3.80 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 Core i5-750
4C 4T @ 2.66 GHz |
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Intel Core i5-8400B
6C 6T @ 4.00 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 Core i5-750
@ 0.00 GHz |
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Intel Core i5-8400B
Intel UHD Graphics 630 @ 1.15 GHz |
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Blender 3.1 Benchmark
In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
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Intel Core i5-750
4C 4T @ 2.66 GHz |
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Intel Core i5-8400B
6C 6T @ 4.00 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 Core i5-750
4C 4T @ 2.66 GHz |
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Intel Core i5-8400B
6C 6T @ 4.00 GHz |
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CPU-Z Benchmark 17 (Single-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 Core i5-750
4C 4T @ 2.66 GHz |
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Intel Core i5-8400B
6C 6T @ 4.00 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 Core i5-750
4C 4T @ 2.66 GHz |
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Intel Core i5-8400B
6C 6T @ 2.80 GHz |
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Devices using this processor |
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| Intel Core i5-750 | Intel Core i5-8400B |
| Unknown | Unknown |
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