Intel Core i7-7660U | AMD Ryzen 7 7840U | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i7-7660U and the AMD Ryzen 7 7840U and use benchmarks to check which processor is faster.
We compare the Intel Core i7-7660U 2 core processor released in Q4/2016 with the AMD Ryzen 7 7840U which has 8 CPU cores and was introduced in Q2/2023. |
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Intel Core i7 (298) | Family | AMD Ryzen 7 (68) |
Intel Core i 7000U (18) | CPU group | AMD Ryzen 7040 (21) |
7 | Generation | 6 |
Kaby Lake U | Architecture | Phoenix (Zen 4) |
Mobile | Segment | Mobile |
Intel Core i7-6660U | Predecessor | -- |
-- | Successor | AMD Ryzen 7 8840U |
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CPU Cores and Base FrequencyThe Intel Core i7-7660U is a 2 core processor with a clock frequency of 2.50 GHz (4.00 GHz). The processor can compute 4 threads at the same time. The AMD Ryzen 7 7840U clocks with 3.30 GHz (5.10 GHz), has 8 CPU cores and can calculate 16 threads in parallel. |
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Intel Core i7-7660U | Characteristic | AMD Ryzen 7 7840U |
2 | Cores | 8 |
4 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
2.50 GHz | Frequency | 3.30 GHz |
4.00 GHz | Turbo Frequency (1 Core) | 5.10 GHz |
3.80 GHz | Turbo Frequency (All Cores) | -- |
Artificial Intelligence and Machine LearningProcessors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor. |
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Intel Core i7-7660U | Characteristic | AMD Ryzen 7 7840U |
-- | AI hardware | AMD Ryzen AI |
-- | AI specifications | AMD dedicated AI XDNA Technology |
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 Iris Plus Graphics 640 | GPU | AMD Radeon 780M |
0.30 GHz | GPU frequency | 0.80 GHz |
1.05 GHz | GPU (Turbo) | 2.70 GHz |
9.5 | GPU Generation | 3 |
14 nm | Technology | 4 nm |
3 | Max. displays | 4 |
48 | Compute units | 12 |
384 | Shader | 768 |
No | Hardware Raytracing | Yes |
No | Frame Generation | AMD FSR |
32 GB | Max. GPU Memory | 32 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 Plus Graphics 640 | GPU | AMD Radeon 780M |
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 |
Decode / Encode | Codec VP8 | Decode |
No | Codec AV1 | Decode / Encode |
Decode / Encode | Codec AVC | Decode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 32 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i7-7660U, while the AMD Ryzen 7 7840U supports a maximum of 256 GB of memory with a maximum memory bandwidth of 120.0 GB/s enabled. |
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Intel Core i7-7660U | Characteristic | AMD Ryzen 7 7840U |
DDR4-2133, DDR3-1866 | Memory | DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
32 GB | Max. Memory | 256 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
34.1 GB/s | Max. Bandwidth | 120.0 GB/s |
No | ECC | Yes |
-- | L2 Cache | 8.00 MB |
4.00 MB | L3 Cache | 16.00 MB |
3.0 | PCIe version | 4.0 |
12 | PCIe lanes | 20 |
11.8 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe Intel Core i7-7660U has a TDP of 15 W. The TDP of the AMD Ryzen 7 7840U is 28 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core i7-7660U | Characteristic | AMD Ryzen 7 7840U |
15 W | TDP (PL1 / PBP) | 28 W |
-- | TDP (PL2) | -- |
-- | TDP up | 30 W |
-- | TDP down | 15 W |
-- | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i7-7660U has 4.00 MB cache and is manufactured in 14 nm. The cache of AMD Ryzen 7 7840U is at 24.00 MB. The processor is manufactured in 4 nm. |
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Intel Core i7-7660U | Characteristic | AMD Ryzen 7 7840U |
14 nm | Technology | 4 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
BGA 1356 | Socket | FP8 |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q4/2016 | Release date | Q2/2023 |
-- | Release price | -- |
show more data | show more data | |
Intel Core i7-7660U
2C 4T @ 4.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
Intel Core i7-7660U
2C 4T @ 3.80 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Intel Core i7-7660U
2C 4T @ 4.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
Intel Core i7-7660U
2C 4T @ 3.80 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Intel Core i7-7660U
2C 4T @ 4.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
Intel Core i7-7660U
2C 4T @ 3.80 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Intel Core i7-7660U
Intel Iris Plus Graphics 640 @ 1.05 GHz |
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AMD Ryzen 7 7840U
AMD Radeon 780M @ 2.70 GHz |
Intel Core i7-7660U
2C 4T @ 3.80 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Intel Core i7-7660U
2C 4T @ 4.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
Intel Core i7-7660U
2C 4T @ 3.80 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Intel Core i7-7660U
2.50 GHz |
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AMD Ryzen 7 7840U
13,450 CB R23 MC @ 30 W |
Intel Core i7-7660U
2C 4T @ 2.50 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Devices using this processor |
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Intel Core i7-7660U | AMD Ryzen 7 7840U |
Apple MacBook Pro 13 (2017) | AOKZOE A1 Pro |