Intel Core i9-9900KS | AMD Ryzen 7 7840U | |
CPU comparisonIntel Core i9-9900KS or AMD Ryzen 7 7840U - 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 i9-9900KS has 8 cores with 16 threads and clocks with a maximum frequency of 5.00 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i9-9900KS was released in Q4/2019. The AMD Ryzen 7 7840U has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 7 7840U was released in Q2/2023. |
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Intel Core i9 (78) | Family | AMD Ryzen 7 (70) |
Intel Core i 9000 (34) | CPU group | AMD Ryzen 7040 (21) |
9 | Generation | 6 |
Coffee Lake S Refresh | Architecture | Phoenix (Zen 4) |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | AMD Ryzen 7 8840U |
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CPU Cores and Base FrequencyThe Intel Core i9-9900KS has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Core i9-9900KS is 4.00 GHz (5.00 GHz) while the AMD Ryzen 7 7840U has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 7 7840U is at 3.30 GHz (5.10 GHz). |
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Intel Core i9-9900KS | Characteristic | AMD Ryzen 7 7840U |
8 | Cores | 8 |
16 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
4.00 GHz | Frequency | 3.30 GHz |
5.00 GHz | Turbo Frequency (1 Core) | 5.10 GHz |
4.80 GHz | Turbo Frequency (All Cores) | -- |
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 i9-9900KS | Characteristic | AMD Ryzen 7 7840U |
-- | AI hardware | AMD Ryzen™ AI |
-- | AI specifications | AMD dedicated AI XDNA Technology |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The Intel Core i9-9900KS or AMD Ryzen 7 7840U 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 UHD Graphics 630 | GPU | AMD Radeon 780M |
0.35 GHz | GPU frequency | 0.80 GHz |
1.20 GHz | GPU (Turbo) | 2.70 GHz |
9.5 | GPU Generation | 3 |
14 nm | Technology | 4 nm |
3 | Max. displays | 4 |
24 | Compute units | 12 |
192 | Shader | 768 |
No | Hardware Raytracing | Yes |
No | Frame Generation | AMD FSR |
64 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 UHD Graphics 630 | 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 & PCIeThe Intel Core i9-9900KS can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 42.7 GB/s. The AMD Ryzen 7 7840U supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s. |
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Intel Core i9-9900KS | Characteristic | AMD Ryzen 7 7840U |
DDR4-2666 | Memory | DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
128 GB | Max. Memory | 256 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
42.7 GB/s | Max. Bandwidth | 120.0 GB/s |
No | ECC | Yes |
-- | L2 Cache | 8.00 MB |
16.00 MB | L3 Cache | 16.00 MB |
3.0 | PCIe version | 4.0 |
16 | PCIe lanes | 20 |
15.8 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i9-9900KS is 127 W, while the AMD Ryzen 7 7840U has a TDP of 28 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Core i9-9900KS | Characteristic | AMD Ryzen 7 7840U |
127 W | TDP (PL1 / PBP) | 28 W |
159 W @ 28 s | TDP (PL2) | -- |
-- | TDP up | 30 W |
-- | TDP down | 15 W |
100 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i9-9900KS is manufactured in 14 nm and has 16.00 MB cache. The AMD Ryzen 7 7840U is manufactured in 4 nm and has a 24.00 MB cache. |
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Intel Core i9-9900KS | 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 |
LGA 1151-2 | Socket | FP8 |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q4/2019 | Release date | Q2/2023 |
524 $ | Release price | -- |
show more data | show more data | |
Intel Core i9-9900KS
8C 16T @ 5.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
Intel Core i9-9900KS
8C 16T @ 5.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
Intel Core i9-9900KS
8C 16T @ 5.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
Intel Core i9-9900KS
8C 16T @ 4.80 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Intel Core i9-9900KS
8C 16T @ 5.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
Intel Core i9-9900KS
8C 16T @ 4.80 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Intel Core i9-9900KS
8C 16T @ 5.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
Intel Core i9-9900KS
8C 16T @ 4.80 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Intel Core i9-9900KS
Intel UHD Graphics 630 @ 1.20 GHz |
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AMD Ryzen 7 7840U
AMD Radeon 780M @ 2.70 GHz |
Intel Core i9-9900KS
8C 16T @ 4.80 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Intel Core i9-9900KS
8C 16T @ 5.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
Intel Core i9-9900KS
8C 16T @ 4.80 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Intel Core i9-9900KS
8C 16T @ 4.80 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Intel Core i9-9900KS
8C 16T @ 4.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Intel Core i9-9900KS
8C 16T @ 5.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
Intel Core i9-9900KS
8C 16T @ 4.80 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Intel Core i9-9900KS
4.00 GHz |
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AMD Ryzen 7 7840U
13,450 CB R23 MC @ 30 W |
Intel Core i9-9900KS
8C 16T @ 4.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
Devices using this processor |
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Intel Core i9-9900KS | AMD Ryzen 7 7840U |
Unknown | AOKZOE A1 Pro |