Intel Core i7-6650U vs Intel Atom x6425RE
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CPU comparison with benchmarks
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| Intel Core i7-6650U | Intel Atom x6425RE | |
CPU comparisonIntel Core i7-6650U or Intel Atom x6425RE - 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 Core i7-6650U has 2 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i7-6650U was released in Q3/2015. The Intel Atom x6425RE has 4 cores with 4 threads and clocks with a maximum frequency of 1.90 GHz. The CPU supports up to 32 GB of memory in 4 memory channels. The Intel Atom x6425RE was released in Q1/2021. |
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| Intel Core i7 (298) | Family | Intel Atom (101) |
| Intel Core i 6000U (20) | CPU group | Intel Atom x6000 (10) |
| 6 | Generation | 6 |
| Skylake U | Architecture | Elkhart Lake |
| Mobile | Segment | Mobile |
| Intel Core i7-5650U | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-6650U has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i7-6650U is 2.20 GHz (3.40 GHz) while the Intel Atom x6425RE has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom x6425RE is at 1.90 GHz. |
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| Intel Core i7-6650U | Characteristic | Intel Atom x6425RE |
| 2 | Cores | 4 |
| 4 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.20 GHz | Frequency | 1.90 GHz |
| 3.40 GHz | Turbo Frequency (1 Core) | -- |
| 2.80 GHz | Turbo Frequency (All Cores) | -- |
Internal GraphicsThe Intel Core i7-6650U or Intel Atom x6425RE 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 Iris Graphics 540 | GPU | Intel UHD Graphics 10th Gen (32 EU) |
| 0.30 GHz | GPU frequency | 0.40 GHz |
| 1.05 GHz | GPU (Turbo) | -- |
| 9 | GPU Generation | 11 |
| 14 nm | Technology | 14 nm |
| 3 | Max. displays | 3 |
| 48 | Compute units | 32 |
| 384 | Shader | 256 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 32 GB | Max. GPU Memory | 64 GB |
| 12 | 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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| Intel Iris Graphics 540 | GPU | Intel UHD Graphics 10th Gen (32 EU) |
| Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode / Encode |
| Decode / Encode | Codec h264 | Decode / Encode |
| No | Codec VP9 | Decode / Encode |
| Decode / Encode | Codec VP8 | Decode / Encode |
| No | Codec AV1 | Decode |
| Decode / Encode | Codec AVC | Decode / Encode |
| Decode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Core i7-6650U can use up to 32 GB of memory in 2 memory channels. The maximum memory bandwidth is 34.1 GB/s. The Intel Atom x6425RE supports up to 32 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 136.4 GB/s. |
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| Intel Core i7-6650U | Characteristic | Intel Atom x6425RE |
| LPDDR3-1866, DDR4-2133, DDR3L-1600 | Memory | LPDDR4X-4266, DDR4-3200 |
| 32 GB | Max. Memory | 32 GB |
| 2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
| 34.1 GB/s | Max. Bandwidth | 136.4 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | 1.50 MB |
| 4.00 MB | L3 Cache | -- |
| 3.0 | PCIe version | 3.0 |
| 12 | PCIe lanes | 8 |
| 11.8 GB/s | PCIe Bandwidth | 7.9 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i7-6650U is 15 W, while the Intel Atom x6425RE has a TDP of 12 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Core i7-6650U | Characteristic | Intel Atom x6425RE |
| 15 W | TDP (PL1 / PBP) | 12 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| 9.5 W | TDP down | -- |
| 100 °C | Tjunction max. | 110 °C |
Technical detailsThe Intel Core i7-6650U is manufactured in 14 nm and has 4.00 MB cache. The Intel Atom x6425RE is manufactured in 10 nm and has a 1.50 MB cache. |
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| Intel Core i7-6650U | Characteristic | Intel Atom x6425RE |
| 14 nm | Technology | 10 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4.1, SSE4.2 |
| BGA 1356 | Socket | BGA 1493 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | |
| Q3/2015 | Release date | Q1/2021 |
| 415 $ | Release price | -- |
| show more data | show more data | |
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 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 Core i7-6650U
2C 4T @ 3.40 GHz |
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Intel Atom x6425RE
4C 4T @ 1.90 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 i7-6650U
2C 4T @ 2.80 GHz |
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Intel Atom x6425RE
4C 4T @ 1.90 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 i7-6650U
2C 4T @ 3.40 GHz |
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Intel Atom x6425RE
4C 4T @ 1.90 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 i7-6650U
2C 4T @ 2.80 GHz |
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Intel Atom x6425RE
4C 4T @ 1.90 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 i7-6650U
Intel Iris Graphics 540 @ 1.05 GHz |
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Intel Atom x6425RE
Intel UHD Graphics 10th Gen (32 EU) @ 0.40 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 i7-6650U
2C 4T @ 2.80 GHz |
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Intel Atom x6425RE
4C 4T @ 1.90 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 i7-6650U
2C 4T @ 3.40 GHz |
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Intel Atom x6425RE
4C 4T @ 1.90 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 i7-6650U
2C 4T @ 2.80 GHz |
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Intel Atom x6425RE
4C 4T @ 1.90 GHz |
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Devices using this processor |
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| Intel Core i7-6650U | Intel Atom x6425RE |
| Unknown | Unknown |
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