Intel Core Ultra 7 155U vs AMD Phenom II X4 850
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CPU comparison with benchmarks
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| Intel Core Ultra 7 155U | AMD Phenom II X4 850 | |
CPU comparisonIn this CPU comparison, we compare the Intel Core Ultra 7 155U and the AMD Phenom II X4 850 and use benchmarks to check which processor is faster.
We compare the Intel Core Ultra 7 155U 12 core processor released in Q4/2023 with the AMD Phenom II X4 850 which has 4 CPU cores and was introduced in Q2/2011. |
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| Intel Core Ultra 7 (10) | Family | AMD Phenom II (52) |
| Intel Core Ultra 100U (7) | CPU group | AMD Phenom II - 840/850 (2) |
| 1 | Generation | 5 |
| Meteor Lake U | Architecture | Propus |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core Ultra 7 155U is a 12 core processor with a clock frequency of 1.70 GHz (4.80 GHz). The processor can compute 14 threads at the same time. The AMD Phenom II X4 850 clocks with 3.30 GHz, has 4 CPU cores and can calculate 4 threads in parallel. |
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| Intel Core Ultra 7 155U | Characteristic | AMD Phenom II X4 850 |
| 12 | Cores | 4 |
| 14 | Threads | 4 |
| hybrid (big.LITTLE) | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | Yes |
| 1.70 GHz (4.80 GHz) 2x Redwood Cove |
A-Core | 3.30 GHz |
| 1.20 GHz (3.80 GHz) 8x Crestmont |
B-Core | -- |
| 0.70 GHz (2.10 GHz) 2x Crestmont |
C-Core | -- |
NPU AI performanceThe performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. |
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| Intel Core Ultra 7 155U | Characteristic | AMD Phenom II X4 850 |
| Intel® AI Boost | AI hardware | -- |
| Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) | AI specifications | -- |
| -- | NPU + CPU + iGPU | -- |
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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| Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) | GPU | no iGPU |
| 0.60 GHz | GPU frequency | -- |
| 1.95 GHz | GPU (Turbo) | -- |
| -- | GPU Generation | -- |
| 5 nm | Technology | |
| 4 | Max. displays | |
| 64 | Compute units | -- |
| 512 | Shader | -- |
| Yes | Hardware Raytracing | No |
| No | Frame Generation | No |
| 32 GB | Max. GPU Memory | -- |
| 12.2 | 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 Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) | GPU | no iGPU |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode / Encode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| Decode | Codec VP9 | No |
| Decode | Codec VP8 | No |
| Decode / Encode | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeUp to 96 GB of memory in a maximum of 2 memory channels is supported by the Intel Core Ultra 7 155U, while the AMD Phenom II X4 850 supports a maximum of GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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| Intel Core Ultra 7 155U | Characteristic | AMD Phenom II X4 850 |
| LPDDR5X-7500, DDR5-5600 | Memory | DDR3-1333, DDR2-1066 |
| 96 GB | Max. Memory | |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 120.0 GB/s | Max. Bandwidth | 21.3 GB/s |
| No | ECC | No |
| 12.00 MB | L2 Cache | -- |
| -- | L3 Cache | 2.00 MB |
| 4.0 | PCIe version | -- |
| 20 | PCIe lanes | -- |
| 39.4 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe Intel Core Ultra 7 155U has a TDP of 15 W. The TDP of the AMD Phenom II X4 850 is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Core Ultra 7 155U | Characteristic | AMD Phenom II X4 850 |
| 15 W | TDP (PL1 / PBP) | 95 W |
| 57 W | TDP (PL2) | -- |
| 28 W | TDP up | -- |
| 12 W | TDP down | -- |
| 110 °C | Tjunction max. | -- |
Technical detailsThe Intel Core Ultra 7 155U has 12.00 MB cache and is manufactured in 7 nm. The cache of AMD Phenom II X4 850 is at 2.00 MB. The processor is manufactured in 45 nm. |
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| Intel Core Ultra 7 155U | Characteristic | AMD Phenom II X4 850 |
| 7 nm | Technology | 45 nm |
| Chiplet | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE3, SSE4a |
| BGA 2049 | Socket | AM3 |
| VT-x, VT-x EPT, VT-d | Virtualization | AMD-V |
| Yes | AES-NI | No |
| Windows 11, Linux | Operating systems | Windows 10, Linux |
| Q4/2023 | Release date | Q2/2011 |
| -- | Release price | -- |
| show more data | show more data | |
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4C 4T @ 3.30 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 Ultra 7 155U
12C 14T @ 4.80 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 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 Ultra 7 155U
12C 14T @ 1.70 GHz |
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AMD Phenom II X4 850
4C 4T @ 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 Ultra 7 155U
12C 14T @ 4.80 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 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 Ultra 7 155U
12C 14T @ 1.70 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 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 Ultra 7 155U
Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) @ 1.95 GHz |
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AMD Phenom II X4 850
@ 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 Core Ultra 7 155U
12C 14T @ 1.70 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. 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 Ultra 7 155U
12C 14T @ 4.80 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz |
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AMD Phenom II X4 850
4C 4T @ 3.30 GHz |
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Devices using this processor |
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| Intel Core Ultra 7 155U | AMD Phenom II X4 850 |
| Unknown | Unknown |
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