Intel Core i9-12900E vs Intel Core i7-1255UL
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CPU comparison with benchmarks
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| Intel Core i9-12900E | Intel Core i7-1255UL | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i9-12900E and the Intel Core i7-1255UL and use benchmarks to check which processor is faster.
We compare the Intel Core i9-12900E 16 core processor released in Q1/2022 with the Intel Core i7-1255UL which has 10 CPU cores and was introduced in Q3/2022. |
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| Intel Core i9 (78) | Family | Intel Core i7 (298) |
| Intel Core i 12000 (34) | CPU group | Intel Core i 1200P/1200U (21) |
| 12 | Generation | 12 |
| Alder Lake S | Architecture | Alder Lake U |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| Intel Core i9-13900E | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-12900E is a 16 core processor with a clock frequency of 2.30 GHz (5.00 GHz). The processor can compute 24 threads at the same time. The Intel Core i7-1255UL clocks with 2.60 GHz (4.70 GHz), has 10 CPU cores and can calculate 12 threads in parallel. |
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| Intel Core i9-12900E | Characteristic | Intel Core i7-1255UL |
| 16 | Cores | 10 |
| 24 | Threads | 12 |
| hybrid (big.LITTLE) | Core architecture | hybrid (big.LITTLE) |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.30 GHz (5.00 GHz) 8x Golden Cove |
A-Core | 2.60 GHz (4.70 GHz) 2x Golden Cove |
| 1.70 GHz (3.80 GHz) 8x Gracemont |
B-Core | 1.20 GHz (3.50 GHz) 8x Gracemont |
Internal GraphicsGraphics (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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| Intel UHD Graphics 770 | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
| 0.30 GHz | GPU frequency | 0.35 GHz |
| 1.55 GHz | GPU (Turbo) | 1.25 GHz |
| 11 | GPU Generation | 13 |
| 10 nm | Technology | 10 nm |
| 3 | Max. displays | 4 |
| 32 | Compute units | 96 |
| 256 | Shader | 768 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 64 GB | Max. GPU Memory | 32 GB |
| 12 | DirectX Version | 12.1 |
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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| Intel UHD Graphics 770 | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
| Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
| Decode / Encode | Codec h265 / HEVC (10 bit) | Decode / Encode |
| Decode / Encode | Codec h264 | Decode / Encode |
| Decode / Encode | Codec VP9 | Decode / Encode |
| Decode / Encode | Codec VP8 | Decode |
| Decode | Codec AV1 | Decode |
| Decode / Encode | Codec AVC | Decode / Encode |
| Decode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i9-12900E, while the Intel Core i7-1255UL supports a maximum of 64 GB of memory with a maximum memory bandwidth of 76.8 GB/s enabled. |
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| Intel Core i9-12900E | Characteristic | Intel Core i7-1255UL |
| DDR5-4800, DDR4-3200 | Memory | DDR5-4800, DDR4-3200 |
| 128 GB | Max. Memory | 64 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 76.8 GB/s | Max. Bandwidth | 76.8 GB/s |
| Yes | ECC | No |
| 14.00 MB | L2 Cache | 6.50 MB |
| 30.00 MB | L3 Cache | 12.00 MB |
| 5.0 | PCIe version | 4.0 |
| 20 | PCIe lanes | 28 |
| 78.8 GB/s | PCIe Bandwidth | 55.1 GB/s |
Thermal ManagementThe Intel Core i9-12900E has a TDP of 65 W. The TDP of the Intel Core i7-1255UL is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Core i9-12900E | Characteristic | Intel Core i7-1255UL |
| 65 W | TDP (PL1 / PBP) | 15 W |
| 202 W | TDP (PL2) | 55 W |
| -- | TDP up | 28 W |
| -- | TDP down | 12 W |
| 100 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i9-12900E has 44.00 MB cache and is manufactured in 10 nm. The cache of Intel Core i7-1255UL is at 18.50 MB. The processor is manufactured in 10 nm. |
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| Intel Core i9-12900E | Characteristic | Intel Core i7-1255UL |
| 10 nm | Technology | 10 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2, AVX2+ | ISA extensions | SSE4.1, SSE4.2, AVX2 |
| LGA 1700 | Socket | BGA 1744 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
| Q1/2022 | Release date | Q3/2022 |
| 494 $ | Release price | -- |
| show more data | show more data | |
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16C 24T @ 2.30 GHz (5.00 GHz) buy now on Amazon and save!
10C 12T @ 2.60 GHz (4.70 GHz) buy now on Amazon and save!
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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 Core i9-12900E
Intel UHD Graphics 770 @ 1.55 GHz |
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Intel Core i7-1255UL
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 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 Core i9-12900E
16C 24T @ 5.00 GHz |
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Intel Core i7-1255UL
10C 12T @ 4.70 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 i9-12900E
16C 24T @ 4.00 GHz |
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Intel Core i7-1255UL
10C 12T @ 3.30 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Intel Core i9-12900E
16C 24T @ 5.00 GHz |
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Intel Core i7-1255UL
10C 12T @ 4.70 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Intel Core i9-12900E
16C 24T @ 4.00 GHz |
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Intel Core i7-1255UL
10C 12T @ 3.30 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 Core i9-12900E
16C 24T @ 4.00 GHz |
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Intel Core i7-1255UL
10C 12T @ 3.30 GHz |
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Devices using this processor |
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| Intel Core i9-12900E | Intel Core i7-1255UL |
| Unknown | Unknown |
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